Nagoya, Japan

Yoshihisa Umemura

This inventor holds 4 USPTO granted patents and 3 published patent applications. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Umemura. Retrieved from https://idiyas.com/inventor/yoshihisa-umemura

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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4 patents (USPTO):Explore Patents

Title: The Innovations of Yoshihisa Umemura

Introduction

Yoshihisa Umemura is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of hybrid electric vehicles, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of hybrid vehicles, which is crucial in today's automotive industry.

Latest Patents

Umemura's latest patents include a "Controller for Hybrid Electric Vehicle and Method for Controlling Hybrid Electric Vehicle." This invention involves a hybrid electric vehicle equipped with an engine that features a filter for collecting particulate matter (PM) from exhaust gas. The controller executes various processes, including a driving force switching process that reduces braking torque during vehicle deceleration. This innovation allows for improved performance when the fuel cut-off process is prohibited.

Another significant patent is the "Control Device for Hybrid Vehicle." This device includes a deceleration control unit that manages both the engine and motor as power sources to control the vehicle's deceleration. It also features a fuel cut control unit that determines when to restrict or permit fuel cut in the engine based on specific conditions. This invention aims to optimize the vehicle's performance during different driving modes.

Career Highlights

Yoshihisa Umemura is currently employed at Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer known for its commitment to innovation and sustainability. His work at Toyota has allowed him to contribute to the development of advanced technologies in hybrid vehicles, aligning with the company's vision for a greener future.

Collaborations

Umemura has collaborated with talented coworkers, including Yasutaka Tsuchida and Suguru Kumazawa. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking technologies in the automotive sector.

Conclusion

Yoshihisa Umemura's contributions to hybrid electric vehicle technology are noteworthy and reflect his dedication to innovation. His patents demonstrate a commitment to improving vehicle efficiency and performance, which is essential in the evolving automotive landscape.

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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