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SAN Hao

Profile Research field Research achievement Educational achievement Social contribution achievement

 

Published Papers  
No.TitleJournalVolNoStart PageEnd PagePublication dateDOIReferee
1Asynchronous Non-binary SAR ADC Inspired by Hopfield Network 2025 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) Nov. 4, 2025 https://doi.org/10.1109/ispacs68724.2025.113831671Refereed 
2Asynchronous Cyclic Adc Using a Multistage Zero-Crossing-Based Amplifier 2025 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) Nov. 4, 2025 https://doi.org/10.1109/ispacs68724.2025.113827251Refereed 
3FOREWORD IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E108.A 660 660 May. 1, 2025 https://doi.org/10.1587/transfun.2024gcf00011
4Floating Sampling Technique for CMOS SAR ADC with Large Input Amplitude Tolerance Beyond Supply Voltage IEEJ Transactions on Electronics, Information and Systems 145 38 44 Jan. 1, 2025 https://doi.org/10.1541/ieejeiss.145.381Refereed 
5Asynchronous SAR ADC with Parallel Comparators Inspired by Hopfield Network. International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Dec. 2024 https://doi.org/10.1109/ISPACS62486.2024.108686741Refereed 
6Crack Detection and Width Measurement for Concrete Building using Mobile Devices 2024 International Conference on Advanced Mechatronic Systems (ICAMechS) 87 92 Nov. 26, 2024 https://doi.org/10.1109/icamechs63130.2024.108188241Refereed 
7Dual-mode neuron design with deterministic and non-deterministic operations using adiabatic superconductor devices Superconductor Science and Technology 37 095027 095027 Aug. 22, 2024 https://doi.org/10.1088/1361-6668/ad55ce1Refereed 
8A 2.8V Input Amplitude CMOS SAR ADC with 0.7V Supply Voltage IEEJ Transactions on Electronics, Information and Systems 144 771 776 Aug. 1, 2024 https://doi.org/10.1541/ieejeiss.144.7711Refereed 
9Design and Implementation of Energy-Efficient Binary Neural Networks Using Adiabatic Quantum-Flux-Parametron Logic IEEE Transactions on Applied Superconductivity 33 Aug. 2023 https://doi.org/10.1109/tasc.2023.32431801Refereed 
10Thermal Noise Analysis of Ring Amplifier in Cyclic Analog-to-Digital Converter. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 106 823 831 May. 1, 2023 https://doi.org/10.1587/transfun.2022gcp00031Refereed 
11Control of Magnetic Resonance Wireless Power Transmission to Multiple Devices Using the SP-PS Coupling Circuit 2022 Asia-Paci c Microwave Conference (APMC 2022) 73 67 69 Nov. 2022 https://doi.org/10.34385/proc.73.we1-f5-41Refereed 
12A Study on the Efficient Design of Adders Using Adiabatic Quantum-Flux-Parametron Circuits. 11th IEEE Global Conference on Consumer Electronics(GCCE) 114 116 Oct. 2022 https://doi.org/10.1109/GCCE56475.2022.100141741Refereed 
13Design and implementation of high-performance Binary Neural Network using Adiabatic Quantum-Flux-Parametron logic The Applied Super- conductivity Conference 2022(ASC 2022) Oct. 2022  Refereed 
14A Study on In-Memory Binary Neural Networks Using Adiabatic Quantum-Flux-Parametron Logic Proc. 14th Superconducting SFQ VLSI Workshop (SSV 2022) Sep. 2022  Refereed 
15A 0.7V 14bit Hybrid ADC in 65nm SOTB CMOS. International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Nov. 16, 2021 https://doi.org/10.1109/ISPACS51563.2021.96510221Refereed 
16A Low-voltage Non-binary Cyclic ADC using Fully Differential Ring Amplifier. International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Nov. 16, 2021 https://doi.org/10.1109/ISPACS51563.2021.96510591Refereed 
17A 0.8V 14bit 294kSPS non-binary cyclic ADC in 65nm SOTB CMOS technology. International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Nov. 16, 2021 https://doi.org/10.1109/ISPACS51563.2021.96509761Refereed 
18Linearity Compensation for Conversion Error in Non-binary and Binary Hybrid ADC. International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Nov. 16, 2021 https://doi.org/10.1109/ISPACS51563.2021.96510391Refereed 
19Special section on analog circuit techniques and related topics IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E104A 476 476 2021 https://doi.org/10.1587/transfun.2020GCF00011
20Special section on analog circuit techniques and related topics IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E104A 476 476 2021 https://doi.org/10.1587/transfun.2020GCF00011
21FOREWORD IEICE Transactions on Electronics E103.C 10 445 445 Oct. 1, 2020 https://doi.org/10.1587/transele.2019ctf00011
22Input bias current reduction technique for operational amplifier in a standard CMOS technology Electronics and Communications in Japan 103 30 36 Jul. 2020 https://doi.org/10.1002/ecj.122421Refereed 
23Input Bias Current Reduction Technique for Operational Amplifier in a Standard CMOS Technology IEEJ Transactions on Electronics, Information and Systems 140 15 Jan. 1, 2020 https://doi.org/10.1541/ieejeiss.140.91Not refereed 
24Special section on analog circuits and their application technologies IEICE Transactions on Electronics E103.C 10 445 445 2020 https://doi.org/10.1587/transele.2019CTF00011
25Special section on analog circuits and their application technologies IEICE Transactions on Electronics E103.C 10 445 445 2020 https://doi.org/10.1587/transele.2019CTF00011
26A 0.8V 14bit 62.5kSPS non-binary cyclic ADC using SOTB CMOS technology. 2019 International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Dec. 2019 https://doi.org/10.1109/ISPACS48206.2019.89863711Refereed 
27Analog / Mixed-Signal / RF Circuits for Complex Signal Processing. 13th IEEE International Conference on ASIC(ASICON) Oct. 2019 https://doi.org/10.1109/ASICON47005.2019.89835481Refereed 
28Experimental implementation of delta sigma AD modulator using dynamic analog components with simplified operation phase. IEICE Electronic Express 16 12 20190280 20190280 Jun. 2019 https://doi.org/10.1587/elex.16.201902801Refereed 
29A 6th-Order Quadrature Bandpass Delta Sigma AD Modulator Using Dynamic Amplifier and Noise Coupling SAR Quantizer. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 102-A 507 517 Mar. 1, 2019 https://doi.org/10.1587/transfun.E102.A.5071Refereed 
30Area Reduction Technique for Digital Circuit Part in Non-Binary Analog-to-Digital Converter IEEJ Transactions on Electronics, Information and Systems 139 76 82 Jan. 1, 2019 https://doi.org/10.1541/ieejeiss.139.761Not refereed 
31Experimental implementation of a 14 bit 80 kSPS non-binary cyclic ADC Analog Integrated Circuits and Signal Processing 97 207 214 Nov. 2018 https://doi.org/10.1007/s10470-018-1197-21Refereed 
32A 720µW 77.93dB SNDR ΔΣ AD Modulator Using Dynamic Analog Components With Simplified Operation Phase. 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)(ISPACS) 442 446 Nov. 2018 https://doi.org/10.1109/ISPACS.2018.89233961Refereed 
33Experimental implementation of Δ Σ AD modulator with dynamic analog components Analog Integrated Circuits and Signal Processing 97 215 223 Nov. 2018 https://doi.org/10.1007/s10470-018-1231-41Refereed 
34A 6th-Order Complex Bandpass ΔΣ AD Modulator Using Dynamic Amplifier and Noise Coupling SAR Quantizer. 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)(ISPACS) 447 452 Nov. 2018 https://doi.org/10.1109/ISPACS.2018.89235801Refereed 
35A Noise Coupled ΔΣAD Modulator Using Passive Adder Embedded Noise Shaping SAR Quantizer. IEICE Transactions on Electronics 101-C 480 487 Jul. 1, 2018 https://doi.org/10.1587/transele.E101.C.4801Refereed 
36A 2nd-Order ΔΣAD Modulator Using Dynamic Analog Components with Simplified Operation Phase. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 101-A 425 433 Feb. 2018 https://doi.org/10.1587/transfun.E101.A.4251Refereed 
37A 12-Bit 3.3MS/S pipeline cyclic ADC with correlated level shifting technique. 2017 International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) 602 605 Nov. 2017 https://doi.org/10.1109/ISPACS.2017.82665491Refereed 
38The design of a 14-bit 400kSPS non-binary pipeline cyclic ADC. 2017 International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) 606 610 Nov. 2017 https://doi.org/10.1109/ISPACS.2017.82665501Refereed 
39Experimental results of reconfigurable non-binary cyclic ADC. 2017 International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) 611 615 Nov. 2017 https://doi.org/10.1109/ISPACS.2017.82665511Refereed 
40A 2nd-order ΔΣAD modulator using ring amplifier and SAR quantizer with simplified operation mode. 24th International Conference Mixed Design of Integrated Circuits and Systems(MIXDES) 45 49 Aug. 8, 2017 https://doi.org/10.23919/MIXDES.2017.80045921Refereed 
41Non-binary cyclic and binary SAR hybrid ADC. 24th International Conference Mixed Design of Integrated Circuits and Systems(MIXDES) 105 109 Jun. 2017 https://doi.org/10.23919/MIXDES.2017.80051631Refereed 
42A 12-bit 1.25MS/s Area-Efficient Radix-Value Self-Estimated Non-Binary Cyclic ADC with Relaxed Requirements on Analog Components. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 100-A 534 540 Feb. 2017 https://doi.org/10.1587/transfun.E100.A.5341Refereed 
43Non-binary cyclic ADC with correlated level shifting technique. 22nd Asia and South Pacific Design Automation Conference(ASP-DAC) 17 18 Jan. 2017 https://doi.org/10.1109/ASPDAC.2017.78582801Refereed 
44A 14bit 80kSPS non-binary cyclic ADC without high accuracy analog components. 22nd Asia and South Pacific Design Automation Conference(ASP-DAC) 15 16 Jan. 2017 https://doi.org/10.1109/ASPDAC.2017.78582791Refereed 
45A 2nd-order Delta Sigma AD modulator using dynamic amplifier and dynamic SAR quantizer. International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Oct. 2016 https://doi.org/10.1109/ISPACS.2016.78247251Refereed 
46Leakage current compensation technique of ESD protection circuit for CMOS operational amplifier. International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) Oct. 2016 https://doi.org/10.1109/ISPACS.2016.78247221Refereed 
47A 14-bit 80ksps Cyclic ADC Based on β-expansion Proceedings of 2016 International Conference on Analog VLSI Circuits, Boston, USA 11 15 Aug. 2016  Refereed 
48Non-Binary and Binary Weighted Hybrid Pipeline ADC with β estimation Proceedings of 2016 International Conference on Analog VLSI Circuit, Boston, USA 17 20 Aug. 2016  Refereed 
49Experimental Implementation of β-Expansion Cyclic ADC with Correlated Level Shifting Technique Proceedings of 2016 International Conference on Analog VLSI Circuits, Boston, USA, August 24-26, 2016 Aug. 2016  Refereed 
50A 12Bit 200Msps Spilt-Based Pipeline ADC Design International Journal of Information and Electronics Engineering 337 342 2016 https://doi.org/10.18178/ijiee.2016.6.6.6501Refereed 
51A low-distortion delta-sigma modulator with ring amplifier and passive adder embedded SAR quantizer. 2015 International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) 299 302 Nov. 2015 https://doi.org/10.1109/ISPACS.2015.74327841Refereed 
52Rigorous estimates of quantization error for A/D converters based on beta-map Nonlinear Theory and Its Applications, IEICE 99 111 2015 https://doi.org/10.1587/nolta.6.991Refereed 
53A 10-bit 10Ms/s pipeline cyclic ADC based on β-expansion. 2015 International Symposium on Intelligent Signal Processing and Communication Systems(ISPACS) 294 298 2015 https://doi.org/10.1109/ISPACS.2015.74327831Refereed 
54An area-efficient 12-bit 1.25MS/s radix-value self-estimated non-binary ADC with relaxed requirements on analog components. Proceedings of the IEEE 2014 Custom Integrated Circuits Conference(CICC) Sep. 2014 https://doi.org/10.1109/CICC.2014.69461231Refereed 
55Experimental Implementation of Non-binary Cyclic ADCs with Radix Value Estimation Algorithm. IEICE Transactions on Electronics 97-C 308 315 Apr. 2014 https://doi.org/10.1587/transele.E97.C.3081Refereed 
56Rigorous analysis of quantization error of an A/D converter based on β-map. 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013)(ISCAS) 369 372 May. 2013 https://doi.org/10.1109/ISCAS.2013.65718571Refereed 
57Robust Cyclic ADC Architecture Based on β-Expansion. IEICE Transactions on Electronics 96-C 553 559 Apr. 2013 https://doi.org/10.1587/transele.E96.C.5531Refereed 
58Non-binary Pipeline Analog-to-Digital Converter Based on β-Expansion. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 96-A 415 421 Feb. 2013 https://doi.org/10.1587/transfun.E96.A.4151Refereed 
59Non-binary SAR ADC with Digital Compensation for Comparator Offset Effects The IEICE transactions on electronics C Vol.J94-C No.3 68 78 Mar. 2011  Refereed 
60Non-binary SAR ADC with digital error correction for low power applications. IEEE Asia Pacific Conference on Circuits and Systems(APCCAS) 196 199 Dec. 2010 https://doi.org/10.1109/APCCAS.2010.57747471Refereed 
61SAR ADC Architecture with Digital Error Correction IEEJ Transactions on Electrical and Electronic Engineering 651 659 Nov. 2010 https://doi.org/10.1002/tee.205881Refereed 
62Noise-Coupled Image Rejection Architecture of Complex Bandpass DeltaSigmaAD Modulator. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 93-A 390 394 Feb. 2010 https://doi.org/10.1587/transfun.E93.A.3901Refereed 
63Study of Q Factor and Loop Delay Effects in a Continuous-Time Bandpass ΔΣAD Modulator 電子情報通信学会論文誌. A, 基礎・境界 = The transactions of the Institute of Electronics, Information and Communication Engineers. A Vol.J93-A No.2 107 118 Feb. 2010  Refereed 
64SAR ADC Algorithm with Redundancy and Digital Error Correction. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 93-A 415 423 Feb. 2010 https://doi.org/10.1587/transfun.E93.A.4151Refereed 
65Noise-Coupled ΔΣAD Modulator with Shared OP-Amp IEEJ Transactions on Electronics, Information and Systems 129 12 2167 2173 Dec. 2009 https://doi.org/10.1541/ieejeiss.129.21671Refereed 
66Study of Q factor and loop delay effects of a continuous-time ΔΣAD modulator 2009 IEEE 8th International Conference on ASIC Oct. 2009 https://doi.org/10.1109/asicon.2009.53514861Refereed 
67Complex bandpass $\Delta\Sigma$AD modulator with noise-coupled image rejection 2009 52nd IEEE International Midwest Symposium on Circuits and Systems Aug. 2009 https://doi.org/10.1109/mwscas.2009.52360801Refereed 
68Analysis and Design of Inverter-Type Gm-C Bandpass Filter IEEJ Transactions on Electronics, Information and Systems 129 1483 1489 Aug. 2009 https://doi.org/10.1541/ieejeiss.129.14831Not refereed 
69Cross-Noise-Coupled Architecture of Complex Bandpass DeltaSigmaAD Modulator. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 92-A 998 1003 Apr. 2009 https://doi.org/10.1587/transfun.E92.A.9981Refereed 
70SAR ADC algorithm with redundancy. IEEE Asia Pacific Conference on Circuits and Systems(APCCAS) 268 271 Nov. 2008 https://doi.org/10.1109/APCCAS.2008.47460111Refereed 
71High-resolution DPWM generator for digitally controlled DC-DC converters. IEEE Asia Pacific Conference on Circuits and Systems(APCCAS) 914 917 Nov. 2008 https://doi.org/10.1109/APCCAS.2008.47461721Refereed 
72ΔΣAD modulator for low power application. IEEE Asia Pacific Conference on Circuits and Systems(APCCAS) 1232 1235 Nov. 2008 https://doi.org/10.1109/APCCAS.2008.47462491Refereed 
73High-Resolution DPWM Generator for Digitally Controlled DC-DC Converters The IEICE transactions on electronics C Vol.J91-C No.8 418 427 Aug. 2008  Refereed 
74Complex bandpass ΣΔAD modulator with noise-coupled architecture 2008 51st Midwest Symposium on Circuits and Systems Aug. 2008 https://doi.org/10.1109/mwscas.2008.46168421Refereed 
75Novel Architecture of Feedforward Second-Order Multibit Delta-Sigma-AD Modulator. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 91-A 965 970 Apr. 1, 2008 https://doi.org/10.1093/ietfec/e91-a.4.9651Refereed 
76Second-order ΔΣAD modulator with novel feedforward architecture 2007 50th Midwest Symposium on Circuits and Systems 148 151 Aug. 2007 https://doi.org/10.1109/mwscas.2007.44885581Refereed 
77A Second-Order Multibit Complex Bandpass DeltaSigmaAD Modulator with I, Q Dynamic Matching and DWA Algorithm. IEICE Transactions on Electronics 90-C 1181 1188 Jun. 1, 2007 https://doi.org/10.1093/ietele/e90-c.6.11811Refereed 
78Multi-Band-Pass ΔΣ Modulator Techniques and Their Applications 電子情報通信学会論文誌. C, エレクトロニクス = The transactions of the Institute of Electronics, Information and Communication Engineers. C Vol.J90-C No.2 143 158 Feb. 2007  Refereed 
79A 2.8-V Multibit Complex Bandpass Delta-Sigma-AD Modulator in 0.18µm CMOS. Proceedings of the 12th Conference on Asia South Pacific Design Automation(ASP-DAC) 96 97 Jan. 2007 https://doi.org/10.1109/ASPDAC.2007.3579581Refereed 
80A Multibit Complex Bandpass $\Delta\Sigma$AD Modulator with I, Q Dynamic Matching and DWA Algorithm 2006 IEEE Asian Solid-State Circuits Conference 55 58 Nov. 2006 https://doi.org/10.1109/asscc.2006.3578501Refereed 
81Complex Bandpass DeltaSigmaAD Modulator Architecture without I, Q-Path Crossing Layout. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 89-A 908 915 Apr. 1, 2006 https://doi.org/10.1093/ietfec/e89-a.4.9081Refereed 
82Reducing Spurious Output of Balanced Modulators by Dynamic Matching of I, Q Quadrature Paths. IEICE Transactions on Electronics 88-C 1290 1294 Jun. 2005 https://doi.org/10.1093/ietele/e88-c.6.12901Refereed 
83Reducing spurious output of balanced modulators by dynamic matching of I, Q quadrature paths The 2004 47th Midwest Symposium on Circuits and Systems, 2004. MWSCAS '04. Jul. 2004 https://doi.org/10.1109/mwscas.2004.13539331Refereed 
84A noise-shaping algorithm of multi-bit DAC nonlinearities in complex bandpass Delta Sigma AD modulators IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E87.A 792 800 Apr. 2004  Refereed 
85An Element Rotation Algorithm for Multi-bit DAC Nonlinearities in Complex Bandpass \Delta\SigmaAD Modulators. 17th International Conference on VLSI Design (VLSI Design 2004) 151 156 Jan. 2004 https://doi.org/10.1109/ICVD.2004.12609171Refereed 
86High-speed CMOS track/hold circuit design Analog Integrated Circuits and Signal Processing 27 1-2 165 176 Apr. 2001 https://doi.org/10.1023/a:10112836138691Refereed 
87Highly-Efficient Low-Voltage-Operation Charge Pump Circuits Using Bootstrapped Gate Transfer Switches IEEJ Transactions on Electronics, Information and Systems 120 10 1339 1345 Oct. 2000 https://doi.org/10.1541/ieejeiss1987.120.10_13391Refereed 
88A high-speed CMOS track/hold circuit. 6th IEEE International Conference on Electronics, Circuits and Systems(ICECS) 1709 1712 1999 https://doi.org/10.1109/ICECS.1999.8145051Refereed 

 

Awards & Honors  
No.Publication dateAssociationPrizeSubtitle
1Dec. 2019 2019 International Symposium on Intelligent Signal Processing and Communication Systems Best Paper Award 
2Dec. 2018 2018 International Symposium on Intelligent Signal Processing and Communication Systems, Outstanding Student Paper Award 
3Oct. 2014 The joint conference of 4S-2014/ 2014 International Conference on Analog VLSI Circuits Best Paper Award 
4Oct. 2013 2013 International Conference on Analog VLSI Circuits Best Paper Award 
5Nov. 2009 2009 IEEJ International Analog VLSI Workshop Best Paper Award 
6Dec. 2008 2008 IEEE Asia Pacific Conference on Circuits and Systems Merit Student Paper 
7Oct. 2005 2005 IEEJ International Analog VLSI Workshop Best Paper Award 

 

Research Grants & Projects  
No.Offer organizationSystem nameTitleFund classificationDate
1Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Development of a Secure ADC Based on Beta Expansion competitive_research_funding  Apr. 2019 - Mar. 2023 
2Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Universal random number generation robust to manufacturing error using AD converters based on beta map  Apr. 2016 - Mar. 2019 
3Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Research on low power mixed signal LSI with novel quantizer competitive_research_funding  Apr. 2013 - Mar. 2016 
4Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research Research on analog and digital mixed signal LSI for wireless communication competitive_research_funding  2008 - 2010 

 

Industrial Property Rights  
No.TypeTitleApplicationIdApplicationDatePatentIdRegistration datePatentDate
1patent_right A/D変換器 特願2016-200421 Oct. 11, 2016 特許6810931 Dec. 16, 2020 Jan. 13, 2021 
2patent_right アナログデジタル変換器及びその方法 特願2014-026890 Feb. 14, 2014     
3patent_right アナログ‐デジタル変換器及びアナログ信号をデジタル信号に変換する方法 特願2011-207602 Sep. 22, 2011 特許5436508 Dec. 20, 2013 Mar. 5, 2014 
4patent_right 複素バンドパスΔΣAD変調器及びデジタル無線受信機 特願2011-502721 Feb. 24, 2010 特許第5187788号 Feb. 1, 2013 Feb. 1, 2013 
5patent_right 複素バンドパスΔΣAD変調器及びデジタル無線受信機 JP2010052873 Feb. 24, 2010     
6patent_right 連続時間ΔΣ変調器 特願2006-279230 Oct. 12, 2006     
7patent_right 高精度マルチバンドパスΔΣ変調器 特願2007-549019 Aug. 1, 2006 特許第4538641号 Jul. 2, 2010 Jul. 2, 2010 
8patent_right 高精度マルチバンドパスΔΣ変調器 JP2006315200 Aug. 1, 2006     
9patent_right 複素バンドパスフィルタ、複素バンドパスΔΣAD変調器、AD変換回路及びデジタル無線受信機 特願2005-175242 Jun. 15, 2005 特許第3992287号 Aug. 3, 2007 Aug. 3, 2007 
10patent_right 複素バンドパスΔΣAD変調器、AD変換回路及びディジタル無線受信機 特願2004-185206 Jun. 23, 2004 特許第3970266号 Jun. 15, 2007 Jun. 15, 2007 
11patent_right DA変換回路及びそれを用いたΔΣAD変調器 特願2004-185198 Jun. 23, 2004 特許第3801602号 May. 12, 2006 May. 12, 2006