Tokyo, Japan

Shigeatsu Hongo

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Fuji Jukogyo Kabushiki Kaisha. Active years: 1991-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeatsu Hongo. Retrieved from https://idiyas.com/inventor/shigeatsu-hongo

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Saitama, JP (1991)
  • Tokyo, JP (2004)

Company Filing History:


Years Active: 1991-2004

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2 patents (USPTO):Explore Patents

Title: Shigeatsu Hongo: Innovator in Engine Technology

Introduction

Shigeatsu Hongo is a notable inventor based in Tokyo, Japan. He has made significant contributions to engine technology, particularly in the areas of gas-liquid separation and engine knock control systems. With a total of 2 patents, Hongo's work reflects his dedication to improving engine performance and efficiency.

Latest Patents

Hongo's latest patents include a gas-liquid separation device in a vibrator engine. This innovative device features a crank chamber and a rocker chamber that communicate through an oil delivery passage. The design allows for effective lubrication of engine parts while preventing excessive oil accumulation in the rocker chamber. His second patent is an engine knock control system, which utilizes a magneto to generate a reference signal synchronized with engine rotation. This system effectively manages engine knocking by adjusting ignition timing based on temperature and knock detection.

Career Highlights

Hongo is associated with Fuji Jukogyo Kabushiki Kaisha, where he has applied his expertise in engine technology. His work has contributed to advancements in engine design and functionality, showcasing his commitment to innovation in the automotive industry.

Collaborations

Hongo has collaborated with notable coworkers, including Ryoji Kurasawa and Satoshi Ishida. Their combined efforts have furthered the development of cutting-edge technologies in engine systems.

Conclusion

Shigeatsu Hongo's contributions to engine technology through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the automotive industry, paving the way for future advancements in engine performance.

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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