Higashimatsuyama, Japan

Toru Sakuranaka

This inventor holds 12 USPTO granted patents. Top assignee: Diesel Kiki Co., Ltd.. Active years: 1978-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toru Sakuranaka. Retrieved from https://idiyas.com/inventor/toru-sakuranaka

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 = 2.3

ph-index = 6

Forward Citations = 77(Granted Patents)


Location History:

  • Matsuyama, JP (1982)
  • Konan, JP (1986)
  • Higashi Matsuyama, JP (1978 - 1987)

Company Filing History:


Years Active: 1978-1987

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12 patents (USPTO):Explore Patents

Title: The Innovations of Toru Sakuranaka

Introduction

Toru Sakuranaka is a prominent inventor based in Higashimatsuyama, Japan. He has made significant contributions to the field of fuel injection systems, holding a total of 12 patents. His work has been instrumental in advancing the technology used in internal combustion engines.

Latest Patents

One of Sakuranaka's latest patents is a fuel injection system for internal combustion engines. This innovative system features a control lever shaft that is interlocked with a governor spring and is supported by a pump housing. The design allows for precise control of the fuel injection amount, enhancing engine performance. Another notable patent is an injection timing control device for distributor-type fuel injection pumps. This device includes a servo valve that prevents vibration of the timer piston, ensuring optimal injection timing, especially in cold conditions.

Career Highlights

Sakuranaka has dedicated his career to improving fuel injection technology. His work at Diesel Kiki Co., Ltd. has positioned him as a leader in this specialized field. His inventions have not only contributed to the efficiency of engines but have also played a role in reducing emissions.

Collaborations

Throughout his career, Sakuranaka has collaborated with talented individuals such as Masayoshi Kobayashi and Keiichi Yamada. These partnerships have fostered innovation and have led to the development of advanced technologies in fuel injection systems.

Conclusion

Toru Sakuranaka's contributions to fuel injection technology have made a lasting impact on the automotive industry. His innovative patents and collaborative efforts continue to drive advancements in engine 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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