Takahiro Yamaguchi

This inventor holds 141 USPTO granted patents and 8 published patent applications, plus 4 CIPO patents and 6 EPO patents, primarily in Electronic Devices (CPC class G01R3-126). Top assignees: Adv Antest Corporation, Mitsubishi Electric Corporation, Daiichi Sankyo Company, Limited. Active years: 1986-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Yamaguchi. Retrieved from https://idiyas.com/inventor/takahiro-yamaguchi

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

USPTO Granted Patents = 141 (Patent Applications = 8)

% Patents Active = 66.0

CIPO Patents = 4 (Patent Applications = 4)

EPO Patents = 6 (Patent Applications = 8)

Average Co-Inventor Count = 2.5

ph-index = 19

Forward Citations = 1,397(Granted Patents)

Forward Citations (Not Self Cited) = 1,308(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kumagaya, JP (1988 - 1990)
Shibuya-ku, JP (2000)
Gyoda, JP (1986 - 2001)
Shibuya-ku, Tokyo JP (2001)
Sendai, JP (2003)
Nerima-ku, Tokyo JP (2003)
Miyagi, JP (2007 - 2012)
Chiyoda-Ku, JP (2008 - 2013)
Saitama, JP (2015 - 2016)
Tokyo, JP (1999 - 2023)

Company Filing History:

88 out of 2,281

Adv Antest Corporation

patents

29 out of 16,602

Mitsubishi Electric Corporation

patents

5 out of 462

Daiichi Sankyo Company, Limited

patents

4. 5 out of 2,260

Japan Aviation Electronics Industry, Limited

The University of Tokyo

Bx Kaneshin Co., Ltd.

Iida Sangyo Co., Ltd.

Oki Electric Industry Co., Ltd.

Takeda Riken Kogyo Kubushikikaisha

19. 6 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1986-2025

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Areas of Expertise:

Connector

Electronic Control Apparatus

Air Conditioner

Remote Controller

Measuring Device

Test Apparatus

Thrombospondin 1-Binding Peptide

Nitrogen-Containing Compound

Video Game

Semiconductor Circuit

Input Display Device

Noise Separating Apparatus

141 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12288949 - Connector (2025-04-29),

2. 11595144 - Electronic control apparatus (2023-02-28),

3. D978082 - Connector (2023-02-14),

4. 11206096 - Electronic control apparatus (2021-12-21),

5. 11149066 - Thrombospondin 1-binding peptide (2021-10-19),

6. 11035114 - Pillar fixing metal fitting (2021-06-15),

7. 10947289 - Glyco-modified atrial natriuretic peptide (2021-03-16),

8. 10784629 - Connector with front and rear portions to prevent movement of inner structure and harness containing same (2020-09-22),

9. 10748506 - Input display device and input display method (2020-08-18),

10. 10510322 - Input display device, input display method, and computer-readable medium (2019-12-17),

11. 10348032 - Connector (2019-07-09),

12. D808342 - Electrical connector (2018-01-23),

13. D777142 - Remote controller (2017-01-24),

14. D775316 - Outdoor unit for air conditioner (2016-12-27),

15. D773624 - Outdoor unit for air conditioner (2016-12-06),

Title: The Innovative Mind of Takahiro Yamaguchi: Pioneering Technology in Tokyo

Introduction:

Takahiro Yamaguchi is a renowned inventor based in the bustling city of Tokyo, Japan. With an impressive portfolio of 140 patents, he has made significant contributions to the field of electronic control systems and connectors.

Latest Patents:

Among his latest patents is an Electronic control apparatus, where he has devised a method to form multiplexed transmission data based on a count value held by a transmission counter. Additionally, Yamaguchi's invention includes a novel approach to selecting or dividing information items to optimize data transmission.

Career Highlights:

Yamaguchi has lent his expertise to prominent companies such as Adv Antest Corporation and Mitsubishi Electric Corporation. During his tenure, he has spearheaded innovative projects that have pushed the boundaries of technological advancements in the industry.

Collaborations:

Throughout his career, Yamaguchi has collaborated closely with esteemed colleagues like Masahiro Ishida and Mani Soma. Together, they have championed groundbreaking research and development initiatives that have paved the way for cutting-edge technologies.

Conclusion:

In conclusion, Takahiro Yamaguchi stands as a visionary inventor whose contributions have had a profound impact on the world of electronic control systems. His relentless pursuit of innovation and collaboration with industry experts continue to shape the landscape of technological advancements in Tokyo and beyond.

Profile summary based on public USPTO records.