Oobu, Japan

Kenji Tsukahara

This inventor holds 5 USPTO granted patents. Top assignee: Nippondenso Co., Ltd.. Active years: 1983-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Tsukahara. Retrieved from https://idiyas.com/inventor/kenji-tsukahara

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 = 2.5

ph-index = 5

Forward Citations = 84(Granted Patents)


Location History:

  • Aichi, JP (1984)
  • Oobu, JP (1983 - 1987)
  • Obu, JP (1987)

Company Filing History:


Years Active: 1983-1987

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5 patents (USPTO):Explore Patents

Title: Kenji Tsukahara: Innovator in Control Systems and Fuel Injection Technology

Introduction

Kenji Tsukahara is a prominent inventor based in Oobu, Japan. He has made significant contributions to the fields of control systems and fuel injection technology. With a total of 5 patents to his name, Tsukahara has demonstrated a commitment to innovation and engineering excellence.

Latest Patents

Among his latest patents is a control apparatus for a variable displacement pump. This invention includes a variable displacement pump driven by an external engine, featuring a piston assembly that varies the pump's displacement. The control apparatus incorporates a switching valve for operational fluid management and a balance piston that transduces control pressure into force. Another notable patent is a fuel injection system that comprises a fuel injection nozzle for supplementary fuel injection, a distributor-type fuel injection pump, and a supplementary fuel feed pump. This system is designed to optimize fuel delivery based on the engine's operating state.

Career Highlights

Kenji Tsukahara is currently employed at Nippondenso Co., Ltd., where he continues to develop innovative solutions in automotive technology. His work has significantly impacted the efficiency and performance of fuel systems and control mechanisms.

Collaborations

Throughout his career, Tsukahara has collaborated with notable colleagues, including Taizou Abe and Masataka Naitoh. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Kenji Tsukahara's contributions to control systems and fuel injection technology highlight his role as a leading inventor in the automotive industry. His innovative patents and collaborative efforts continue to shape the future of engineering.

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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