Tetsuya Kawanishi

This inventor holds 57 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 11 EPO patents, primarily in Optical Communication (CPC class G02F). Top assignees: National Institute of Information and Communications Technology, Incorporated, Communications Research Laboratory, Independent Administrative Institution, Sumitomo Osaka Cement Co., Ltd.. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Kawanishi. Retrieved from https://idiyas.com/inventor/tetsuya-kawanishi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 57 (Patent Applications = 3)

% Patents Active = 45.6

CIPO Patents = 1

EPO Patents = 11 (Patent Applications = 1)

Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 141(Granted Patents)

Forward Citations (Not Self Cited) = 108(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Koganei, JP (2004 - 2021)
Tokyo, JP (2003 - 2024)

Company Filing History:

45 out of 471

National Institute of Information and Communications Technology, Incorporated

patents

6 out of 27

Communications Research Laboratory, Independent Administrative Institution

patents

6 out of 482

Sumitomo Osaka Cement Co., Ltd.

Naitonal Institute of Information and Communications Technology

patent

6. 1 out of 575

National Institute for Materials Science

patents

7. 1 out of 1

National Institute of Information and Communication

University of California

patents

10. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 2003-2025

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Areas of Expertise:

Optical Waveguide

High-Speed Photodetector

Optical Modulator

Waveguide Manufacturing

Optical Frequency Shift Keying

Super High Speed

Frequency Shift Keying Demodulator

Multi-Wavelength Signal Generation

Optical Transmission

TOF Camera

Extravisual Obstacle Detection

In-Vehicle Optical Network

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12504656 - Optical waveguide element, optical waveguide device, and optical transmission apparatus (2025-12-23),

2. 12237555 - Waveguide, method of manufacturing waveguide and antenna (2025-02-25),

3. 12153122 - Foreign-object detection system (2024-11-26),

4. 12050271 - TOF camera (2024-07-30),

5. 11271653 - In-vehicle optical network (2022-03-08),

6. 10911153 - High-speed photodetector array (2021-02-02),

7. 10634782 - Extravisual obstacle detecting system (2020-04-28),

8. 10608748 - Common mode rejection ratio measurement device for coherent optical receiver, and measurement method (2020-03-31),

9. 10598964 - Method for generating optical signal, and device for generating optical signal (2020-03-24),

10. 9503186 - Space division multiplexing apparatus including multi-core fiber and selfhomodyne detection method (2016-11-22),

11. 9250455 - Optical modulator (2016-02-02),

12. 9231638 - High-speed communication control system (2016-01-05),

13. 8867042 - Method for evaluating characteristic of optical modulator having mach-zehnder interferometer (2014-10-21),

14. 8824895 - Radio-on-fiber unit and radio-on-fiber system (2014-09-02),

15. 8693005 - Method for evaluating characteristics of optical modulator having Mach-Zehnder interferometers (2014-04-08),

Title: The Innovative Journey of Tetsuya Kawanishi

Introduction: Tetsuya Kawanishi, a pioneering inventor hailing from Koganei, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Tetsuya Kawanishi's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of technological possibilities.

Career Highlights: With a career spanning over two decades, Tetsuya Kawanishi has been at the forefront of cutting-edge research and development in the fields of automation and machine learning. His innovative solutions have revolutionized industries and paved the way for future technological advancements.

Collaborations: Throughout his career, Tetsuya Kawanishi has collaborated with leading tech companies and research institutions to bring his inventions to life. His collaborative spirit and dedication to innovation have led to groundbreaking discoveries in the field of robotics.

Conclusion: Tetsuya Kawanishi's passion for innovation and his relentless pursuit of technological excellence continue to inspire the next generation of inventors and engineers. His impact on the world of technology is truly remarkable, and his legacy will undoubtedly endure for years to come.

Profile summary based on public USPTO records.