KAWANISHI; Tetsuya
Patent Applications and Registrations
Patent applications and USPTO patent grants for KAWANISHI; Tetsuya.The latest application filed is for "foreign-object detection system".
Company Profile
5.61.63
- KAWANISHI; Tetsuya - Tokyo JP
- Kawanishi; Tetsuya - Koganei JP
- KAWANISHI; Tetsuya - Koganei-shi Tokyo
- Kawanishi; Tetsuya - Saitama JP
- KAWANISHI; Tetsuya - Saitama-shi JP
Patent Activity
| Patent | Date |
|---|---|
| Foreign-object Detection System App 20220283291 - KAWANISHI; Tetsuya | 2022-09-08 |
| In-vehicle optical network Grant 11,271,653 - Takahashi , et al. March 8, 2 | 2022-03-08 |
| Tof Camera App 20210364642 - INAGAKI; Keizo ; et al. | 2021-11-25 |
| In-vehicle Optical Network App 20210167855 - TAKAHASHI; Ryo ; et al. | 2021-06-03 |
| High-speed photodetector array Grant 10,911,153 - Umezawa , et al. February 2, 2 | 2021-02-02 |
| Extravisual obstacle detecting system Grant 10,634,782 - Kawanishi , et al. | 2020-04-28 |
| Common mode rejection ratio measurement device for coherent optical receiver, and measurement method Grant 10,608,748 - Inagaki , et al. | 2020-03-31 |
| Method for generating optical signal, and device for generating optical signal Grant 10,598,964 - Kanno , et al. | 2020-03-24 |
| High-speed Photodetector Array App 20200044745 - UMEZAWA; Toshimasa ; et al. | 2020-02-06 |
| Method For Generating Optical Signal, And Device For Generating Optical Signal App 20190094573 - KANNO; Atsushi ; et al. | 2019-03-28 |
| Common Mode Rejection Ratio Measurement Device For Coherent Optical Receiver, And Measurement Method App 20190097734 - INAGAKI; Keizo ; et al. | 2019-03-28 |
| Optical-to-radio Converter App 20190020319 - UMEZAWA; Toshimasa ; et al. | 2019-01-17 |
| Phase Adjustment Device for Two Light Waves App 20180356598 - KIUCHI; Hitoshi ; et al. | 2018-12-13 |
| Extravisual Obstacle Detecting System App 20180059240 - KAWANISHI; Tetsuya ; et al. | 2018-03-01 |
| Space division multiplexing apparatus including multi-core fiber and selfhomodyne detection method Grant 9,503,186 - Kawanishi , et al. November 22, 2 | 2016-11-22 |
| Optical modulator Grant 9,250,455 - Hosokawa , et al. February 2, 2 | 2016-02-02 |
| High-speed communication control system Grant 9,231,638 - Kawanishi , et al. January 5, 2 | 2016-01-05 |
| Space Division Multiplexing Apparatus Including Multi-Core Fiber And Selfhomodyne Detection Method App 20150222356 - Kawanishi; Tetsuya ; et al. | 2015-08-06 |
| Method for evaluating characteristic of optical modulator having mach-zehnder interferometer Grant 8,867,042 - Kawanishi , et al. October 21, 2 | 2014-10-21 |
| Radio-on-fiber unit and radio-on-fiber system Grant 8,824,895 - Shinada , et al. September 2, 2 | 2014-09-02 |
| Method for evaluating characteristics of optical modulator having Mach-Zehnder interferometers Grant 8,693,005 - Kawanishi , et al. April 8, 2 | 2014-04-08 |
| High-speed Communication Control System App 20140086588 - KAWANISHI; Tetsuya ; et al. | 2014-03-27 |
| Super high speed optical frequency sweeping technology Grant 8,682,177 - Kawanishi , et al. March 25, 2 | 2014-03-25 |
| Quadrature amplitude modulation signal generating device Grant 8,676,060 - Kawanishi , et al. March 18, 2 | 2014-03-18 |
| Method For Evaluating Characteristics Of Optical Modulator Having Mach-zehnder Interferometers App 20130250306 - KAWANISHI; Tetsuya ; et al. | 2013-09-26 |
| Optical Modulator App 20130195394 - HOSOKAWA; Youichi ; et al. | 2013-08-01 |
| High-speed multiplied signal generating method and device Grant 8,472,107 - Kawanishi , et al. June 25, 2 | 2013-06-25 |
| Method for evaluating characteristics of optical modulator having Mach-Zehnder interferometers Grant 8,446,591 - Kawanishi , et al. May 21, 2 | 2013-05-21 |
| Method for evaluating characteristics of optical modulator having high-precision Mach-Zehnder interferometers Grant 8,351,047 - Kawanishi , et al. January 8, 2 | 2013-01-08 |
| Optical switch system using optical interference Grant 8,270,780 - Kawanishi , et al. September 18, 2 | 2012-09-18 |
| Method For Evaluating Characteristic Of Optical Modulator Having Mach-zehnder Interferometer App 20120162656 - Kawanishi; Tetsuya ; et al. | 2012-06-28 |
| Frequency shift keying demodulator Grant 8,170,422 - Kawanishi , et al. May 1, 2 | 2012-05-01 |
| Endoscope visual imaging and processing apparatus Grant 8,144,191 - Kawanishi , et al. March 27, 2 | 2012-03-27 |
| High-Speed Multiplied Signal Generating Method And Device App 20110242644 - KAWANISHI; Tetsuya ; et al. | 2011-10-06 |
| Super flat optical frequency comb signal generator Grant 8,023,775 - Sakamoto , et al. September 20, 2 | 2011-09-20 |
| Modulation light signal generating device and FSK modulation signal generating device Grant 8,014,684 - Kawanishi , et al. September 6, 2 | 2011-09-06 |
| Multi-wavelength signal generation device and multi-wavelength light generation method Grant 8,005,371 - Kawanishi , et al. August 23, 2 | 2011-08-23 |
| DSB-SC modulation system capable of erasing carrier and secondary component Grant 7,991,298 - Kawanishi , et al. August 2, 2 | 2011-08-02 |
| High-speed multiplied signal generating method and device Grant 7,986,452 - Kawanishi , et al. July 26, 2 | 2011-07-26 |
| Method for Evaluating Characteristics of Optical Modulator Having Mach-Zehnder Interferometers App 20110176141 - Kawanishi; Tetsuya ; et al. | 2011-07-21 |
| Multiple wavelength light source, and generation method for multiple wavelength light Grant 7,962,039 - Kawanishi , et al. June 14, 2 | 2011-06-14 |
| Optical FSK/SSB modulator having intensity balance function Grant 7,957,652 - Kawanishi , et al. June 7, 2 | 2011-06-07 |
| Phase control optical FSK modulator Grant 7,957,653 - Kawanishi , et al. June 7, 2 | 2011-06-07 |
| Radio-on-fiber Unit And Radio-on-fiber System App 20110103800 - Shinada; Satoshi ; et al. | 2011-05-05 |
| Automatic adjusting system of frequency shift keying modulator Grant 7,936,996 - Kawanishi , et al. May 3, 2 | 2011-05-03 |
| Super Flat Optical Frequency Comb Signal Generator App 20110097029 - Sakamoto; Takahide ; et al. | 2011-04-28 |
| Method For Evaluating Characteristics Of Optical Modulator Having High-precision Mach-zehnder Interferometers App 20110019199 - Kawanishi; Tetsuya ; et al. | 2011-01-27 |
| Method and device for calibrating a light intensity measurement device Grant 7,864,330 - Kawanishi , et al. January 4, 2 | 2011-01-04 |
| Fourth harmonic generating system using optical double side-band suppressed carrier modulator Grant 7,853,153 - Kawanishi , et al. December 14, 2 | 2010-12-14 |
| Imaging apparatus Grant 7,787,121 - Tsujita , et al. August 31, 2 | 2010-08-31 |
| Quadrature Amplitude Modulation Signal Generating Device App 20100202785 - Kawanishi; Tetsuya ; et al. | 2010-08-12 |
| Optical Switch System Using Optical Interference App 20100150495 - Kawanishi; Tetsuya ; et al. | 2010-06-17 |
| Optical amplitude modulation system capable of cancelling high order component Grant 7,711,215 - Kawanishi , et al. May 4, 2 | 2010-05-04 |
| Nested modulator Grant 7,689,067 - Ichikawa , et al. March 30, 2 | 2010-03-30 |
| High-Speed Multiplied Signal Generating Method And Device App 20100053732 - Kawanishi; Tetsuya ; et al. | 2010-03-04 |
| Reciprocating optical modulation system Grant 7,660,030 - Kawanishi , et al. February 9, 2 | 2010-02-09 |
| Y-junction reflector tunable delay or resonator waveguide devices Grant 7,657,139 - Chen , et al. February 2, 2 | 2010-02-02 |
| Phase Control Optical Fsk Modulator App 20100014874 - Kawanishi; Tetsuya ; et al. | 2010-01-21 |
| Multiple Wavelength Light Source, And Generation Method For Multiple Wavelength Light App 20090310968 - Kawanishi; Tetsuya ; et al. | 2009-12-17 |
| Super Flat Optical Frequency Com Signal Generator App 20090310900 - Sakamoto; Takahide ; et al. | 2009-12-17 |
| Super High Speed Optical Frequency Sweeping Technology App 20090304393 - Kawanishi; Tetsuya ; et al. | 2009-12-10 |
| Method And Device For Calibrating A Light Intensity Measurement Device App 20090290148 - Kawanishi; Tetsuya ; et al. | 2009-11-26 |
| Optical Fsk/ssb Modulator Having Intensity Balance Function App 20090279825 - Kawanishi; Tetsuya ; et al. | 2009-11-12 |
| Optical Amplitude Modulation System Capable Of Cancelling High Order Component App 20090238510 - Kawanishi; Tetsuya ; et al. | 2009-09-24 |
| Dsb-sc Modulation System Capable Of Erasing Carrier And Secondary Component App 20090232440 - Kawanishi; Tetsuya ; et al. | 2009-09-17 |
| UWB signal generator using optical FSK modulator Grant 7,555,223 - Kawanishi , et al. June 30, 2 | 2009-06-30 |
| Optical frequency shift keying modulator Grant 7,526,209 - Kawanishi , et al. April 28, 2 | 2009-04-28 |
| Reciprocating Optical Modulation System App 20090103163 - Kawanishi; Tetsuya ; et al. | 2009-04-23 |
| Fourth Harmonic Generating System Using Optical Double Side-band Suppressed Carrier Modulator App 20090103924 - Kawanishi; Tetsuya ; et al. | 2009-04-23 |
| Multiple-wavelength optical modulation apparatus Grant 7,522,844 - Kawanishi , et al. April 21, 2 | 2009-04-21 |
| Automatic Adjusting System Of Frequency Shift Keying Modulator App 20090041472 - Kawanishi; Tetsuya ; et al. | 2009-02-12 |
| Multi-wavelength signal generation device and multi -wavelength light generation method App 20090041470 - Kawanishi; Tetsuya ; et al. | 2009-02-12 |
| Imaging Apparatus App 20090021739 - TSUJITA; Kazuhiro ; et al. | 2009-01-22 |
| Frequency Shift Keying Demodulator App 20080304827 - Kawanishi; Tetsuya ; et al. | 2008-12-11 |
| Y-Junction Reflector Tunable Delay or Resonator Waveguide Devices App 20080267565 - Chen; Jianxiao ; et al. | 2008-10-30 |
| Photoelectric oscillator Grant 7,425,696 - Kawanishi , et al. September 16, 2 | 2008-09-16 |
| Nested modulator App 20080212915 - Ichikawa; Junichiro ; et al. | 2008-09-04 |
| Optical wavelength multiplexing FSK modulation method Grant 7,421,209 - Kawanishi , et al. September 2, 2 | 2008-09-02 |
| Modulation Light Signal Generating Device and Fsk Modulation Signal Generating Device App 20080159754 - Kawanishi; Tetsuya ; et al. | 2008-07-03 |
| Optical frequency converter Grant 7,317,569 - Kawanishi January 8, 2 | 2008-01-08 |
| Endoscope system App 20070255107 - Kawanishi; Tetsuya | 2007-11-01 |
| Endoscope system App 20070255106 - Kawanishi; Tetsuya | 2007-11-01 |
| Observation window cleaning device for endoscope App 20070225566 - Kawanishi; Tetsuya | 2007-09-27 |
| Bias adjustment method for optical SSB modulator or optical FSK modulator Grant 7,245,787 - Kawanishi , et al. July 17, 2 | 2007-07-17 |
| Optical SSB modulator Grant 7,239,763 - Kawanishi , et al. July 3, 2 | 2007-07-03 |
| Tunable dispersion compensation apparatus Grant 7,236,661 - Kawanishi , et al. June 26, 2 | 2007-06-26 |
| Reciprocating optical modulator Grant 7,212,331 - Kawanishi , et al. May 1, 2 | 2007-05-01 |
| Optical frequency converter App 20070030556 - Kawanishi; Tetsuya | 2007-02-08 |
| Optical frequency converter Grant 7,133,190 - Kawanishi November 7, 2 | 2006-11-07 |
| Reciprocating optical modulator App 20060227411 - Kawanishi; Tetsuya ; et al. | 2006-10-12 |
| Endoscope apparatus App 20060203087 - Kawanishi; Tetsuya ; et al. | 2006-09-14 |
| Low-noise optical frequency converter Grant 7,106,497 - Kawanishi , et al. September 12, 2 | 2006-09-12 |
| Method and apparatus for measuring three-dimensional distribution of electric field Grant 7,084,649 - Kawanishi , et al. August 1, 2 | 2006-08-01 |
| Variable-optical-delay apparatus Grant 6,987,904 - Kawanishi , et al. January 17, 2 | 2006-01-17 |
| Multiple-wavelength optical modulation apparatus App 20050238366 - Kawanishi, Tetsuya ; et al. | 2005-10-27 |
| Tunable dispersion compensation apparatus App 20050226554 - Kawanishi, Tetsuya ; et al. | 2005-10-13 |
| Optical SSB modulator App 20050220385 - Kawanishi, Tetsuya ; et al. | 2005-10-06 |
| Bias adjustment method for optical SSB modulator or optical FSK modulator App 20050213862 - Kawanishi, Tetsuya ; et al. | 2005-09-29 |
| Photoelectric oscillator App 20050211875 - Kawanishi, Tetsuya ; et al. | 2005-09-29 |
| Optical wavelength multiplexing FSK modulation method App 20050180761 - Kawanishi, Tetsuya ; et al. | 2005-08-18 |
| UWB signal generator using optical FSK modulator App 20050175357 - Kawanishi, Tetsuya ; et al. | 2005-08-11 |
| Optical frequency shift keying modulator App 20050111853 - Kawanishi, Tetsuya ; et al. | 2005-05-26 |
| Optical frequency converter Grant 6,819,475 - Kawanishi November 16, 2 | 2004-11-16 |
| Optical frequency converter App 20040218642 - Kawanishi, Tetsuya | 2004-11-04 |
| Resonance type optical modulator using symmetric or asymmetric electrode Grant 6,791,733 - Kawanishi , et al. September 14, 2 | 2004-09-14 |
| Optical modulator and optical signal and electric wave signal converter using same Grant 6,788,832 - Kawanishi , et al. September 7, 2 | 2004-09-07 |
| Method and apparatus for measuring three-dimensional distribution of electric field App 20040130341 - Kawanishi, Tetsuya ; et al. | 2004-07-08 |
| Resonator-type semiconductor optical modulator with asymmetrical electrode structure Grant 6,735,010 - Kawanishi , et al. May 11, 2 | 2004-05-11 |
| Low-noise optical frequency converter App 20040085620 - Kawanishi, Tetsuya ; et al. | 2004-05-06 |
| Optical frequency converter using reciprocating modulation Grant 6,707,586 - Kawanishi March 16, 2 | 2004-03-16 |
| Variable-optical-delay apparatus App 20030190119 - Kawanishi, Tetsuya ; et al. | 2003-10-09 |
| Resonator-type semiconductor optical modulator with asymmetrical electrode structure App 20030156312 - Kawanishi, Tetsuya ; et al. | 2003-08-21 |
| Reciprocating optical modulation system Grant 6,600,588 - Kawanishi July 29, 2 | 2003-07-29 |
| Optical modulator and optical signal and electric wave signal converter using same App 20030128417 - Kawanishi, Tetsuya ; et al. | 2003-07-10 |
| Optical frequency converter App 20020181073 - Kawanishi, Tetsuya | 2002-12-05 |
| Resonance type optical modulator using symmetric or asymmetric electrode App 20020154378 - Kawanishi, Tetsuya ; et al. | 2002-10-24 |
| Optical frequency converter using reciprocating modulation App 20020027698 - Kawanishi, Tetsuya | 2002-03-07 |
| Reciprocating optical modulation system App 20010055141 - Kawanishi, Tetsuya | 2001-12-27 |
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