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For the Inventor, By the Inventor

Shizuoka, Japan

Toshiharu Takahashi

This inventor holds 53 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Connector Technology (CPC class F02D). Top assignees: Yazaki Corporation, Honda Motor Co., Ltd., Toshiba Tec Kabushiki Kaisha. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Takahashi. Retrieved from https://idiyas.com/inventor/toshiharu-takahashi

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

Calculating rank
USPTO Granted Patents = 53 

% Patents Active = 79.2

 

Average Co-Inventor Count = 1.6

ph-index = 12

Forward Citations = 398(Granted Patents)

Forward Citations (Not Self Cited) = 393(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Haibara-gun, JP (2004 - 2005)
  • Makinohara, JP (2008 - 2011)
  • Shizuoka-ken, JP (2001 - 2013)
  • Kakegawa, JP (2016)
  • Shizuoka, JP (1998 - 2020)
  • Setagaya Tokyo, JP (2019 - 2020)
  • Tokyo, JP (2017 - 2021)

Company Filing History:

goldMedal46 out of 8,397 
 
Yazaki Corporation
 patents
silverMedal4 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
bronzeMedal4 out of 6,290 
 
Toshiba Tec Kabushiki Kaisha
 patents
4. 2 out of 123 
 
Delphi International Operations Luxembourg S.a.r.l.
 patents
5. 1 out of 243 
 
Delphi Technologies IP Limited
 patents
where one patent can have more than one assignee

Years Active: 1998-2025

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Areas of Expertise:
Connector
EGR Control
Image Forming Apparatus
Exhaust Purification
Electrical Connector
Low Insertion Force
Hybrid Connector
Lever-Type Connector
Connector Housing
Connection Detecting Mechanism
Optical Ring Network
Wiring Harness
53 patents (USPTO):Explore Patents
1. 12212094 - Connector (2025-01-28),
2. 10883430 - EGR control apparatus and EGR control method for internal combustion engine (2021-01-05),
3. 10818417 - Conductive member (2020-10-27),
4. 10671145 - Image forming apparatus that determines whether to shift between multiple states (2020-06-02),
5. 10664038 - Image forming apparatus that determines whether to shift between in multiple states (2020-05-26),
6. 10423213 - Image forming apparatus (2019-09-24),
7. 10227940 - Control device for internal combustion engine (2019-03-12),
8. 9657673 - Exhaust purification system for internal combustion engine (2017-05-23),
9. 9419379 - Connector having a recessed concave section in a surface between a pair or partition walls between adjacent terminals (2016-08-16),
10. 8531690 - Linkage system of plural multi function peripherals (2013-09-10),
11. 8043111 - Connector (2011-10-25),
12. 7963781 - Low insertion force connector (2011-06-21),
13. 7867029 - Connector housing and connector (2011-01-11),
14. 7854619 - Lever-fitting connector (2010-12-21),
15. 7837515 - Combined-type connector (2010-11-23),

Title: **Toshiharu Takahashi: Innovator in Electrical Connectors and Engine Control Technologies**

Introduction

Toshiharu Takahashi is an influential inventor based in Shizuoka, Japan, known for his substantial contributions to the fields of electrical connectors and internal combustion engine technology. With a remarkable portfolio of 53 patents, his innovative spirit and technical expertise have significantly impacted the automotive industry.

Latest Patents

Among Takahashi's latest inventions is a novel connector design. This connector features an electric wire connected to a terminal, housed within a specially designed housing. The housing incorporates a seal member that isolates the connection portion from the external environment, ensuring reliability and durability. Additionally, it includes a heat storage member located within the housing space, enhancing the performance of the connector under varying conditions.

Another notable patent relates to an EGR (Exhaust Gas Recirculation) control apparatus and method for internal combustion engines. This innovative system includes an Electronic Control Unit (ECU) that calculates specific correction coefficients to minimize EGR amount errors. The ECU's sophisticated algorithms allow it to control the opening of the LP (Low Pressure) and HP (High Pressure) valves efficiently, ensuring optimal engine performance while reducing emissions.

Career Highlights

Takahashi's professional journey includes significant tenures at prominent companies such as Yazaki Corporation and Honda Motor Co., Ltd. At these leading automotive firms, he honed his skills in engineering and innovation, contributing to numerous high-profile projects that have shaped modern vehicles. His experience in these dynamic environments has solidified his reputation as a leading inventor in his field.

Collaborations

Throughout his career, Toshiharu Takahashi has collaborated with respected colleagues, including Kazuto Ohtaka and Motoyoshi Suzuki. These partnerships fostered creative exchange and have resulted in advancements that helped propel innovations in automotive technology, illustrating the power of teamwork in the inventive process.

Conclusion

Toshiharu Takahashi stands out as an exemplary inventor whose work continues to influence advancements in electrical connectors and engine control systems. His impressive patent portfolio demonstrates his commitment to innovation and problem-solving within the automotive sector. As technologies evolve, it will be exciting to see how Takahashi's future inventions will further enhance our daily lives.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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