Toyota, Japan

Yoshiaki Yamamoto

This inventor holds 7 USPTO granted patents and 2 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidoshi Kabushiki Kaisha. Active years: 2002-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Yamamoto. Retrieved from https://idiyas.com/inventor/yoshiaki-yamamoto-8f97vuew

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

Calculating rank

% Patents Active = 71.4


Average Co-Inventor Count = 8.0

ph-index = 5

Forward Citations = 101(Granted Patents)


Company Filing History:


Years Active: 2002-2003

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7 patents (USPTO):Explore Patents

Title: Yoshiaki Yamamoto: Innovator in Vehicle Drive Technology

Introduction

Yoshiaki Yamamoto is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of vehicle drive technology, holding a total of 7 patents. His innovative work focuses on improving the efficiency and performance of vehicle transmission systems.

Latest Patents

Yamamoto's latest patents include a shift control apparatus and a vehicle drive apparatus. The shift control apparatus addresses the challenges of low operating fluid temperatures in actuators. It sets a target input rotation speed lower limit value (NinL) that is higher than the normal lower limit for operating fluid temperatures. This ensures that the speed ratio can be optimized even when the vehicle is approaching a stop. The vehicle drive apparatus features a pump that supplies operating fluid for speed shift control. It includes a driving motor that ensures the pump produces the necessary fluid pressure, even when the power transfer apparatus is in a neutral state.

Career Highlights

Yoshiaki Yamamoto has worked with Toyota Motor Corporation, contributing to the development of advanced vehicle technologies. His expertise in vehicle drive systems has positioned him as a key figure in the automotive industry.

Collaborations

Yamamoto has collaborated with notable colleagues such as Hiroji Taniguchi and Tadashi Tamura. Their combined efforts have led to advancements in vehicle technology and improved performance standards.

Conclusion

Yoshiaki Yamamoto's innovative contributions to vehicle drive technology have made a lasting impact on the automotive industry. His patents reflect a commitment to enhancing 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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