Higashikurume, Japan

Ryo Narisawa

This inventor holds 3 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1983-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryo Narisawa. Retrieved from https://idiyas.com/inventor/ryo-narisawa

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 = 4.1

ph-index = 3

Forward Citations = 41(Granted Patents)


Location History:

  • Higashikurume, JP (1983)
  • Quebec, CA (1984)
  • Shakespear, CA (1988)

Company Filing History:


Years Active: 1983-1988

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3 patents (USPTO):Explore Patents

Title: Ryo Narisawa: Innovator in Turbo-Supercharger Technology

Introduction

Ryo Narisawa is a prominent inventor based in Higashikurume, Japan. He has made significant contributions to the field of internal combustion engines, particularly in turbo-supercharger technology. With a total of 3 patents to his name, Narisawa continues to push the boundaries of engineering innovation.

Latest Patents

Narisawa's latest patents include a turbo-supercharger for internal combustion engines and a supercharger for motorcycle engines. The turbo-supercharger is designed to enhance engine performance by utilizing a turbine positioned within the exhaust passage, driven by gas flow. This system includes a compressor in the suction passage and a pre-chamber featuring a resonance chamber that optimizes airflow. His supercharger for motorcycle engines integrates a compressor in the intake passage and an exhaust turbine, ensuring efficient performance while minimizing compressor surging through a well-designed charge pipe and branch pipe system.

Career Highlights

Narisawa is currently employed at Honda Giken Kogyo Kabushiki Kaisha, a leading automotive manufacturer known for its innovative engineering solutions. His work at Honda has allowed him to develop cutting-edge technologies that enhance engine efficiency and performance.

Collaborations

Throughout his career, Narisawa has collaborated with notable colleagues, including Kazuo Inoue and Masatoshi Suzuki. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in the automotive sector.

Conclusion

Ryo Narisawa's contributions to turbo-supercharger technology exemplify his commitment to innovation in the automotive industry. His patents reflect a deep understanding of engine dynamics and a passion for enhancing performance. Narisawa's work continues to influence the future of internal combustion engine 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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