Kanagawa, Japan

Yutaka Tohyama

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Jatco Corporation, Nissan Motor Company Limited. Active years: 2010-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Tohyama. Retrieved from https://idiyas.com/inventor/yutaka-tohyama

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 3.7

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Fuji, JP (2010)
  • Kanagawa, JP (2013)
  • Isehara, JP (2021)

Company Filing History:


Years Active: 2010-2021

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4 patents (USPTO):Explore Patents

Title: Yutaka Tohyama: Innovator in Automatic Transmission Technology

Introduction

Yutaka Tohyama is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of automatic transmission technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and reliability of hybrid driveline systems.

Latest Patents

Tohyama's latest patents include an interlock determination device and a determination method for automatic transmission. This innovation addresses the challenges faced in hybrid driveline systems that operate in both electric vehicle (EV) and hybrid electric vehicle (HEV) modes. The system determines whether interlocking is occurring based on vehicle deceleration and the relationship between requested and actual transmission ratio positions. It also includes mechanisms to inhibit interlocking determinations during specific operational conditions, ensuring smoother transitions between driving modes.

Career Highlights

Throughout his career, Yutaka Tohyama has worked with notable companies such as Jatco Corporation and Nissan Motor Company Limited. His experience in these organizations has allowed him to develop and refine his expertise in automatic transmission systems.

Collaborations

Tohyama has collaborated with esteemed colleagues, including Masahiro Hamano and Hajime Tasaka. These partnerships have contributed to the advancement of technology in the automotive industry.

Conclusion

Yutaka Tohyama's innovative work in automatic transmission technology has made a lasting impact on the automotive sector. His patents reflect a commitment to improving vehicle performance and efficiency.

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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