Tetsuya Kawanishi

Person

Koganei-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
TOF camera
- Patent number 12,050,271
- Issue date Jul 30, 2024
- National Institute of Information and Communications Technology
- Keizo Inagaki
- G02 - OPTICS
Information Patent Grant
In-vehicle optical network
- Patent number 11,271,653
- Issue date Mar 8, 2022
- National Institute of Information and Communications Technology
- Ryo Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed photodetector array
- Patent number 10,911,153
- Issue date Feb 2, 2021
- National Institute of Information and Communications Technology
- Toshimasa Umezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Extravisual obstacle detecting system
- Patent number 10,634,782
- Issue date Apr 28, 2020
- Waseda University
- Tetsuya Kawanishi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Common mode rejection ratio measurement device for coherent optical...
- Patent number 10,608,748
- Issue date Mar 31, 2020
- National Institute of Information and Communications Technology
- Keizo Inagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for generating optical signal, and device for generating opt...
- Patent number 10,598,964
- Issue date Mar 24, 2020
- National Institute of Information and Communications Technology
- Atsushi Kanno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Space division multiplexing apparatus including multi-core fiber an...
- Patent number 9,503,186
- Issue date Nov 22, 2016
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Grant
Optical modulator
- Patent number 9,250,455
- Issue date Feb 2, 2016
- Sumitomo Osaka Cement Co., Ltd.
- Youichi Hosokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed communication control system
- Patent number 9,231,638
- Issue date Jan 5, 2016
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for evaluating characteristic of optical modulator having ma...
- Patent number 8,867,042
- Issue date Oct 21, 2014
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Grant
Radio-on-fiber unit and radio-on-fiber system
- Patent number 8,824,895
- Issue date Sep 2, 2014
- National Institute of Information and Communications Technology
- Satoshi Shinada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for evaluating characteristics of optical modulator having M...
- Patent number 8,693,005
- Issue date Apr 8, 2014
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G01 - MEASURING TESTING
Information Patent Grant
Super high speed optical frequency sweeping technology
- Patent number 8,682,177
- Issue date Mar 25, 2014
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Grant
Quadrature amplitude modulation signal generating device
- Patent number 8,676,060
- Issue date Mar 18, 2014
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed multiplied signal generating method and device
- Patent number 8,472,107
- Issue date Jun 25, 2013
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Grant
Method for evaluating characteristics of optical modulator having M...
- Patent number 8,446,591
- Issue date May 21, 2013
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G01 - MEASURING TESTING
Information Patent Grant
Method for evaluating characteristics of optical modulator having h...
- Patent number 8,351,047
- Issue date Jan 8, 2013
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Grant
Optical switch system using optical interference
- Patent number 8,270,780
- Issue date Sep 18, 2012
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Grant
Frequency shift keying demodulator
- Patent number 8,170,422
- Issue date May 1, 2012
- National Institute of Information and Communications Technology, Incorporated...
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Super flat optical frequency comb signal generator
- Patent number 8,023,775
- Issue date Sep 20, 2011
- National Institute of Information and Communications Technology
- Takahide Sakamoto
- G02 - OPTICS
Information Patent Grant
Modulation light signal generating device and FSK modulation signal...
- Patent number 8,014,684
- Issue date Sep 6, 2011
- National Institute of Information and Communications Technology, Incorporated...
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-wavelength signal generation device and multi-wavelength ligh...
- Patent number 8,005,371
- Issue date Aug 23, 2011
- National Institute of Information and Communications Technology, Incorporated...
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DSB-SC modulation system capable of erasing carrier and secondary c...
- Patent number 7,991,298
- Issue date Aug 2, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed multiplied signal generating method and device
- Patent number 7,986,452
- Issue date Jul 26, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Grant
Multiple wavelength light source, and generation method for multipl...
- Patent number 7,962,039
- Issue date Jun 14, 2011
- National Institute of Information and Communications Technology, Incorporated...
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical FSK/SSB modulator having intensity balance function
- Patent number 7,957,652
- Issue date Jun 7, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase control optical FSK modulator
- Patent number 7,957,653
- Issue date Jun 7, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic adjusting system of frequency shift keying modulator
- Patent number 7,936,996
- Issue date May 3, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for calibrating a light intensity measurement device
- Patent number 7,864,330
- Issue date Jan 4, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G01 - MEASURING TESTING
Information Patent Grant
Fourth harmonic generating system using optical double side-band su...
- Patent number 7,853,153
- Issue date Dec 14, 2010
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVEGUIDE ELEMENT, OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TR...
- Publication number 20230400718
- Publication date Dec 14, 2023
- Sumitomo Osaka Cement Co., Ltd.
- Shingo Takano
- G02 - OPTICS
Information Patent Application
FOREIGN-OBJECT DETECTION SYSTEM
- Publication number 20220283291
- Publication date Sep 8, 2022
- Waseda University
- Tetsuya KAWANISHI
- G01 - MEASURING TESTING
Information Patent Application
TOF CAMERA
- Publication number 20210364642
- Publication date Nov 25, 2021
- National Institute of Information and Communications Technology
- Keizo INAGAKI
- G01 - MEASURING TESTING
Information Patent Application
IN-VEHICLE OPTICAL NETWORK
- Publication number 20210167855
- Publication date Jun 3, 2021
- National Institute of Information and Communications Technology
- Ryo TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-SPEED PHOTODETECTOR ARRAY
- Publication number 20200044745
- Publication date Feb 6, 2020
- Toshimasa UMEZAWA
- G02 - OPTICS
Information Patent Application
COMMON MODE REJECTION RATIO MEASUREMENT DEVICE FOR COHERENT OPTICAL...
- Publication number 20190097734
- Publication date Mar 28, 2019
- Keizo INAGAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR GENERATING OPTICAL SIGNAL, AND DEVICE FOR GENERATING OPT...
- Publication number 20190094573
- Publication date Mar 28, 2019
- National Institute of Information and Communications Technology
- Atsushi KANNO
- G02 - OPTICS
Information Patent Application
OPTICAL-TO-RADIO CONVERTER
- Publication number 20190020319
- Publication date Jan 17, 2019
- National Institute of Information and Communications Technology
- Toshimasa UMEZAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase Adjustment Device for Two Light Waves
- Publication number 20180356598
- Publication date Dec 13, 2018
- Inter-University Research Institute Corporation, National Institutes Of Natur...
- Hitoshi KIUCHI
- G01 - MEASURING TESTING
Information Patent Application
Extravisual Obstacle Detecting System
- Publication number 20180059240
- Publication date Mar 1, 2018
- Waseda University
- Tetsuya KAWANISHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
Space Division Multiplexing Apparatus Including Multi-Core Fiber An...
- Publication number 20150222356
- Publication date Aug 6, 2015
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-SPEED COMMUNICATION CONTROL SYSTEM
- Publication number 20140086588
- Publication date Mar 27, 2014
- National Institute of Information and Communications Technology
- Tetsuya KAWANISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR EVALUATING CHARACTERISTICS OF OPTICAL MODULATOR HAVING M...
- Publication number 20130250306
- Publication date Sep 26, 2013
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20130195394
- Publication date Aug 1, 2013
- National Institute of Information and Communications Technology
- Youichi HOSOKAWA
- G02 - OPTICS
Information Patent Application
METHOD FOR EVALUATING CHARACTERISTIC OF OPTICAL MODULATOR HAVING MA...
- Publication number 20120162656
- Publication date Jun 28, 2012
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
High-Speed Multiplied Signal Generating Method And Device
- Publication number 20110242644
- Publication date Oct 6, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
Method for Evaluating Characteristics of Optical Modulator Having M...
- Publication number 20110176141
- Publication date Jul 21, 2011
- NATIONAL INSTITUTE OF INFORMATION AND COMMUNCIATION
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
RADIO-ON-FIBER UNIT AND RADIO-ON-FIBER SYSTEM
- Publication number 20110103800
- Publication date May 5, 2011
- National Institute of Information and Communications Technology
- Satoshi Shinada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Super Flat Optical Frequency Comb Signal Generator
- Publication number 20110097029
- Publication date Apr 28, 2011
- National Institute of Information and Communications Technology
- Takahide Sakamoto
- G02 - OPTICS
Information Patent Application
METHOD FOR EVALUATING CHARACTERISTICS OF OPTICAL MODULATOR HAVING H...
- Publication number 20110019199
- Publication date Jan 27, 2011
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
QUADRATURE AMPLITUDE MODULATION SIGNAL GENERATING DEVICE
- Publication number 20100202785
- Publication date Aug 12, 2010
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SWITCH SYSTEM USING OPTICAL INTERFERENCE
- Publication number 20100150495
- Publication date Jun 17, 2010
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
High-Speed Multiplied Signal Generating Method And Device
- Publication number 20100053732
- Publication date Mar 4, 2010
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
PHASE CONTROL OPTICAL FSK MODULATOR
- Publication number 20100014874
- Publication date Jan 21, 2010
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUPER FLAT OPTICAL FREQUENCY COM SIGNAL GENERATOR
- Publication number 20090310900
- Publication date Dec 17, 2009
- National Institute of Information and Communicat- ions Technology
- Takahide Sakamoto
- G02 - OPTICS
Information Patent Application
MULTIPLE WAVELENGTH LIGHT SOURCE, AND GENERATION METHOD FOR MULTIPL...
- Publication number 20090310968
- Publication date Dec 17, 2009
- NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECH. INCOR. ADMINISTRAT...
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUPER HIGH SPEED OPTICAL FREQUENCY SWEEPING TECHNOLOGY
- Publication number 20090304393
- Publication date Dec 10, 2009
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G02 - OPTICS
Information Patent Application
METHOD AND DEVICE FOR CALIBRATING A LIGHT INTENSITY MEASUREMENT DEVICE
- Publication number 20090290148
- Publication date Nov 26, 2009
- National Institute of Information and Communications Technology
- Tetsuya Kawanishi
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FSK/SSB MODULATOR HAVING INTENSITY BALANCE FUNCTION
- Publication number 20090279825
- Publication date Nov 12, 2009
- Tetsuya Kawanishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLITUDE MODULATION SYSTEM CAPABLE OF CANCELLING HIGH ORDE...
- Publication number 20090238510
- Publication date Sep 24, 2009
- Tetsuya Kawanishi
- G02 - OPTICS

Tetsuya Kawanishi

Person

Patents Grantslast 30 patents

TOF camera

In-vehicle optical network

High-speed photodetector array

Extravisual obstacle detecting system

Common mode rejection ratio measurement device for coherent optical...

Method for generating optical signal, and device for generating opt...

Space division multiplexing apparatus including multi-core fiber an...

Optical modulator

High-speed communication control system

Method for evaluating characteristic of optical modulator having ma...

Radio-on-fiber unit and radio-on-fiber system

Method for evaluating characteristics of optical modulator having M...

Super high speed optical frequency sweeping technology

Quadrature amplitude modulation signal generating device

High-speed multiplied signal generating method and device

Method for evaluating characteristics of optical modulator having M...

Method for evaluating characteristics of optical modulator having h...

Optical switch system using optical interference

Frequency shift keying demodulator

Super flat optical frequency comb signal generator

Modulation light signal generating device and FSK modulation signal...

Multi-wavelength signal generation device and multi-wavelength ligh...

DSB-SC modulation system capable of erasing carrier and secondary c...

High-speed multiplied signal generating method and device

Multiple wavelength light source, and generation method for multipl...

Optical FSK/SSB modulator having intensity balance function

Phase control optical FSK modulator

Automatic adjusting system of frequency shift keying modulator

Method and device for calibrating a light intensity measurement device

Fourth harmonic generating system using optical double side-band su...

Patents Applicationslast 30 patents

OPTICAL WAVEGUIDE ELEMENT, OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TR...

FOREIGN-OBJECT DETECTION SYSTEM

TOF CAMERA

IN-VEHICLE OPTICAL NETWORK

HIGH-SPEED PHOTODETECTOR ARRAY

COMMON MODE REJECTION RATIO MEASUREMENT DEVICE FOR COHERENT OPTICAL...

METHOD FOR GENERATING OPTICAL SIGNAL, AND DEVICE FOR GENERATING OPT...

OPTICAL-TO-RADIO CONVERTER

Phase Adjustment Device for Two Light Waves

Extravisual Obstacle Detecting System

Space Division Multiplexing Apparatus Including Multi-Core Fiber An...

HIGH-SPEED COMMUNICATION CONTROL SYSTEM

METHOD FOR EVALUATING CHARACTERISTICS OF OPTICAL MODULATOR HAVING M...

OPTICAL MODULATOR

METHOD FOR EVALUATING CHARACTERISTIC OF OPTICAL MODULATOR HAVING MA...

High-Speed Multiplied Signal Generating Method And Device

Method for Evaluating Characteristics of Optical Modulator Having M...

RADIO-ON-FIBER UNIT AND RADIO-ON-FIBER SYSTEM

Super Flat Optical Frequency Comb Signal Generator

METHOD FOR EVALUATING CHARACTERISTICS OF OPTICAL MODULATOR HAVING H...

QUADRATURE AMPLITUDE MODULATION SIGNAL GENERATING DEVICE

OPTICAL SWITCH SYSTEM USING OPTICAL INTERFERENCE

High-Speed Multiplied Signal Generating Method And Device

PHASE CONTROL OPTICAL FSK MODULATOR

SUPER FLAT OPTICAL FREQUENCY COM SIGNAL GENERATOR

MULTIPLE WAVELENGTH LIGHT SOURCE, AND GENERATION METHOD FOR MULTIPL...

SUPER HIGH SPEED OPTICAL FREQUENCY SWEEPING TECHNOLOGY

METHOD AND DEVICE FOR CALIBRATING A LIGHT INTENSITY MEASUREMENT DEVICE

OPTICAL FSK/SSB MODULATOR HAVING INTENSITY BALANCE FUNCTION

OPTICAL AMPLITUDE MODULATION SYSTEM CAPABLE OF CANCELLING HIGH ORDE...