Fujisawa, Japan

Shigehisa Takase

This inventor holds 6 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Isuzu Motors Limited, Other. Active years: 2000-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigehisa Takase. Retrieved from https://idiyas.com/inventor/shigehisa-takase

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

USPTO Granted Patents = 6 

% Patents Active = 83.3

 

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 110(Granted Patents)


Location History:

  • Kanagawa, JP (2000 - 2001)
  • Fujisawa, JP (2004 - 2006)

Company Filing History:


Years Active: 2000-2006

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6 patents (USPTO):Explore Patents

Title: Shigehisa Takase: Innovator in Engine Technology

Introduction

Shigehisa Takase is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 6 patents. His work focuses on enhancing fuel efficiency and improving the performance of engine components.

Latest Patents

One of Takase's latest inventions is a valve driving device for internal combustion engines. This innovative device aims to provide a camless valve driving mechanism that reduces valve driving energy and enhances fuel efficiency. The design includes a pressure chamber that supplies actuating fluid to control the opening and closing of the main valve, which can serve as either an intake or exhaust valve. The device features multiple actuating valves that manage the flow of high-pressure and low-pressure fluids, as well as a mechanism to discharge fluid when the valve is closed. Another significant patent is the needle lift damper device for fuel injectors. This invention ensures a consistently stable needle lift damping effect, which is crucial for the effective operation of fuel injectors. The design incorporates a damper member and a damping chamber that work together to minimize vibrations and maintain stability during operation.

Career Highlights

Throughout his career, Shigehisa Takase has worked with Isuzu Motors Limited, where he has contributed to various innovative projects. His expertise in engine technology has made him a valuable asset in the automotive industry.

Collaborations

Takase has collaborated with notable colleagues such as Akihiko Minato and Terukazu Nishimura. Their combined efforts have led to advancements in engine technology and fuel efficiency.

Conclusion

Shigehisa Takase's contributions to the field of internal combustion engines demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of engineering principles and a drive to improve automotive technology.

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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