Inventor · disambiguated record
Tetsuya Kawanishi
Also filed as: KAWANISHI TETSUYA
59 granted patents·6 pending applications·327 citations·filing 2001–2023
98Inventor score
Files withNAT INST INF & COMM TECH37KAWANISHI TETSUYA8COMM RES LAB INDEPENDENT ADMIN6SUMITOMO OSAKA CEMENT CO LTD4FUJINON CORP3
Top patents by PatentIndex Score
65 records- 0193US7239763B2Optical SSB modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2005·Granted Jul 3, 2007·19 cites·11 claims
- 0292US7787121B2Imaging apparatusFUJIFILM CORP·Filed 2008·Granted Aug 31, 2010·17 cites·6 claims
- 0391US7245787B2Bias adjustment method for optical SSB modulator or optical FSK modulatorNAT INST INF & COMM TECH·Filed 2005·Granted Jul 17, 2007·20 cites·5 claims
- 0490US8144191B2Endoscope visual imaging and processing apparatusKAWANISHI TETSUYA·Filed 2006·Granted Mar 27, 2012·75 cites·3 claims
- 0589US7957652B2Optical FSK/SSB modulator having intensity balance functionNAT INST INF & COMM TECH·Filed 2006·Granted Jun 7, 2011·17 cites·11 claims
- 0689US7957653B2Phase control optical FSK modulatorNAT INST INF & COMM TECH·Filed 2006·Granted Jun 7, 2011·17 cites·13 claims
- 0787US7853153B2Fourth harmonic generating system using optical double side-band suppressed carrier modulatorNAT INST INF & COMM TECH·Filed 2006·Granted Dec 14, 2010·14 cites·7 claims
- 0887US7711215B2Optical amplitude modulation system capable of cancelling high order componentNAT INST INF & COMM TECH·Filed 2006·Granted May 4, 2010·10 cites·14 claims
- 0987US7689067B2Nested modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2007·Granted Mar 30, 2010·10 cites·4 claims
- 1084US8023775B2Super flat optical frequency comb signal generatorNAT INST INF & COMM TECH·Filed 2006·Granted Sep 20, 2011·8 cites·6 claims
- 1184US7936996B2Automatic adjusting system of frequency shift keying modulatorNAT INST INF & COMM TECH·Filed 2006·Granted May 3, 2011·8 cites·6 claims
- 1284US7425696B2Photoelectric oscillatorNAT INST INF & COMM TECH·Filed 2005·Granted Sep 16, 2008·8 cites·13 claims
- 1383US9503186B2Space division multiplexing apparatus including multi-core fiber and selfhomodyne detection methodNAT INST INF & COMM TECH·Filed 2013·Granted Nov 22, 2016·9 cites·5 claims
- 1483US9250455B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2013·Granted Feb 2, 2016·4 cites·9 claims
- 1577US8270780B2Optical switch system using optical interferenceKAWANISHI TETSUYA·Filed 2006·Granted Sep 18, 2012·5 cites·13 claims
- 1675US7317569B2Optical frequency converterNAT INST INF & COMM TECH·Filed 2006·Granted Jan 8, 2008·3 cites·1 claims
- 1774US7212331B2Reciprocating optical modulatorNAT INST INF & COMM TECH·Filed 2005·Granted May 1, 2007·4 cites·2 claims
- 1873US7421209B2Optical wavelength multiplexing FSK modulation methodNAT INST INF & COMM TECH·Filed 2005·Granted Sep 2, 2008·5 cites·37 claims
- 1972US7864330B2Method and device for calibrating a light intensity measurement deviceNAT INST INF & COMM TECH·Filed 2006·Granted Jan 4, 2011·6 cites·4 claims
- 2070US8676060B2Quadrature amplitude modulation signal generating deviceKAWANISHI TETSUYA·Filed 2008·Granted Mar 18, 2014·5 cites·4 claims
- 2168US7986452B2High-speed multiplied signal generating method and deviceNAT INST INF & COMM TECH·Filed 2006·Granted Jul 26, 2011·2 cites·4 claims
- 2268US6819475B2Optical frequency converterCOMM RES LAB INDEPENDENT ADMIN·Filed 2002·Granted Nov 16, 2004·7 cites·20 claims
- 2366US9231638B2High-speed communication control systemNAT INST INF & COMM TECH·Filed 2013·Granted Jan 5, 2016·2 cites·4 claims
- 2466US7555223B2UWB signal generator using optical FSK modulatorNAT INST INF & COMM TECH·Filed 2005·Granted Jun 30, 2009·3 cites·8 claims
- 2565US12153122B2Foreign-object detection systemUNIV WASEDA·Filed 2021·Granted Nov 26, 2024·0 cites·5 claims
- 2665US10634782B2Extravisual obstacle detecting systemUNIV WASEDA·Filed 2017·Granted Apr 28, 2020·2 cites·10 claims
- 2765US8170422B2Frequency shift keying demodulatorKAWANISHI TETSUYA·Filed 2005·Granted May 1, 2012·3 cites·5 claims
- 2865US7657139B2Y-junction reflector tunable delay or resonator waveguide devicesUNIV CALIFORNIA·Filed 2005·Granted Feb 2, 2010·2 cites·19 claims
- 2964US8693005B2Method for evaluating characteristics of optical modulator having Mach-Zehnder interferometersNAT INST INF & COMM TECH·Filed 2013·Granted Apr 8, 2014·1 cites·6 claims
- 3064US6600588B2Reciprocating optical modulation systemCOMM RES LAB INDEPENDENT ADMIN·Filed 2001·Granted Jul 29, 2003·8 cites·24 claims
- 3163US12237555B2Waveguide, method of manufacturing waveguide and antennaUNIV WASEDA·Filed 2023·Granted Feb 25, 2025·0 cites·7 claims
- 3263US8867042B2Method for evaluating characteristic of optical modulator having mach-zehnder interferometerKAWANISHI TETSUYA·Filed 2009·Granted Oct 21, 2014·2 cites·10 claims
- 3361US8005371B2Multi-wavelength signal generation device and multi-wavelength light generation methodNAT INST INF & COMM TECH·Filed 2005·Granted Aug 23, 2011·1 cites·13 claims
- 3461US7962039B2Multiple wavelength light source, and generation method for multiple wavelength lightNAT INST INF & COMM TECH·Filed 2005·Granted Jun 14, 2011·1 cites·8 claims
- 3560US6791733B2Resonance type optical modulator using symmetric or asymmetric electrodeNAT INST INF & COMM TECH·Filed 2002·Granted Sep 14, 2004·7 cites·23 claims
- 3658US12504656B2Optical waveguide element, optical waveguide device, and optical transmission apparatusSUMITOMO OSAKA CEMENT CO LTD·Filed 2021·Granted Dec 23, 2025·0 cites·12 claims
- 3757US8472107B2High-speed multiplied signal generating method and deviceKAWANISHI TETSUYA·Filed 2011·Granted Jun 25, 2013·0 cites·4 claims
- 3857US6987904B2Variable-optical-delay apparatusNAT INST INF & COMM TECH·Filed 2003·Granted Jan 17, 2006·5 cites·9 claims
- 3956US12050271B2TOF cameraNAT INST INF & COMM TECH·Filed 2019·Granted Jul 30, 2024·0 cites·4 claims
- 4056US7522844B2Multiple-wavelength optical modulation apparatusNAT INST INF & COMM TECH·Filed 2005·Granted Apr 21, 2009·1 cites·13 claims
- 4155US7526209B2Optical frequency shift keying modulatorNAT INST INF & COMM TECH·Filed 2004·Granted Apr 28, 2009·3 cites·12 claims
- 4254US7106497B2Low-noise optical frequency converterNAT INST INF & COMM TECH·Filed 2003·Granted Sep 12, 2006·4 cites·13 claims
- 4354US6707586B2Optical frequency converter using reciprocating modulationCOMM RES LAB INDEPENDENT ADMIN·Filed 2001·Granted Mar 16, 2004·4 cites·7 claims
- 4452US7236661B2Tunable dispersion compensation apparatusNAT INST INF & COMM TECH·Filed 2005·Granted Jun 26, 2007·2 cites·16 claims
- 4548US7133190B2Optical frequency converterNAT INST INF & COMM TECH·Filed 2004·Granted Nov 7, 2006·0 cites·18 claims
- 4648US2011097029A1Super Flat Optical Frequency Comb Signal GeneratorNAT INST INF & COMM TECH·Filed 2009·Application pending·0 cites
- 4748US2007255107A1Endoscope systemFUJINON CORP·Filed 2007·Application pending·0 cites
- 4848US2007225566A1Observation window cleaning device for endoscopeFUJINON CORP·Filed 2007·Application pending·0 cites
- 4948US2007255106A1Endoscope systemFUJINON CORP·Filed 2007·Application pending·0 cites
- 5047US10911153B2High-speed photodetector arrayNAT INST INF & COMM TECH·Filed 2018·Granted Feb 2, 2021·0 cites·4 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →