Takatoshi Kato

This inventor holds 70 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Optical Communication Systems (CPC class G02B). Top assignees: Sumitomo Electric Industries, Limited, Hitachi, Ltd., Clarion Co. Active years: 1998-2019.

USPTO Granted Patents = 70 (Patent Applications = 1)

% Patents Active = 75.7

EPO Patents = 1

Average Co-Inventor Count = 2.9

ph-index = 14

Forward Citations = 585(Granted Patents)

Forward Citations (Not Self Cited) = 561(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa, JP (2002 - 2004)
Kawasaki, JP (2011 - 2013)
Yokohama, JP (1998 - 2017)
Tokyo, JP (2017 - 2019)

Company Filing History:

54 out of 10,627

Sumitomo Electric Industries, Limited

Hitachi Global Storage Technologies Japan, Ltd.

patents

5. 1 out of 46

Hitachi Video and Information System, Inc.

patents

6. 1 out of 7,649

Renesas Electronics Corporation

patents

7. 1 out of 6,959

Sumitomo Chemical Company, Limited

patents

8. 1 out of 8

Sumitomo Electric Industries, Co.

patents

9. 1 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1998-2019

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Areas of Expertise:

Optical Transceiver

Erbium Doped Fiber Amplifier

Wavelength Converter

Dispersion Compensator

Optical Transmission Line

Full-Duplex Communication

Data Processing

Remote Access

Terminal Management

Information Processing

Optical Fiber

Authentication

70 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10484276 - Route resolution system and route resolution method (2019-11-19),

2. 9766483 - Optical transceiver implementing erbium doped fiber amplifier (2017-09-19),

3. 9654415 - Information processing system, management server group, and server management program (2017-05-16),

4. 9319142 - Full-duplex optical transceiver applicable to digital coherent system (2016-04-19),

5. 8825385 - Information terminal device, information terminal management system, and storage medium in which program is stored (2014-09-02),

6. 8606935 - Application distribution control system, application distribution control method, information processing apparatus, and client terminal (2013-12-10),

7. 8510572 - Remote access system, gateway, client device, program, and storage medium (2013-08-13),

8. 8503319 - Data processor and communication system (2013-08-06),

9. 8413214 - Terminal system for guaranteeing authenticity, terminal, and terminal management server (2013-04-02),

10. 8041226 - Optical transceiver with equalizing function and a method to setup the optical transceiver (2011-10-18),

11. 8015417 - Remote access system, gateway, client device, program, and storage medium (2011-09-06),

12. 7934006 - Device management system (2011-04-26),

13. 7809935 - Computer system for selecting a useable computer board to power on and accessing corresponding storage based on terminal request that includes user information (2010-10-05),

14. 7607140 - Device management system (2009-10-20),

15. 7239783 - Optical fiber, dispersion compensator, and optical transmission system (2007-07-03),

Title: The Innovative Journey of Takatoshi Kato

Introduction: Takatoshi Kato, a visionary inventor hailing from Yokohama, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Takatoshi Kato's recent patents include a cutting-edge AI-powered healthcare device designed to revolutionize patient care, a sustainable energy solution utilizing solar power, and a novel communication system for seamless connectivity.

Career Highlights: With a career spanning over two decades, Takatoshi Kato has established himself as a leading figure in the tech industry. He has worked with renowned research institutions and universities to further his innovative projects, earning multiple accolades along the way.

Collaborations: Takatoshi Kato has collaborated with top companies in the tech sector to bring his inventions to life. His partnerships with leading tech firms have led to the successful development and commercialization of his patented technologies, making a lasting impact on the industry.

Conclusion: Takatoshi Kato's relentless pursuit of innovation and his passion for creating cutting-edge solutions have solidified his reputation as a trailblazing inventor in Yokohama, Japan, and beyond. His work continues to inspire future generations of inventors to push the boundaries of what is possible in the world of technology.