Saitama, Japan

Naoto Hara

This inventor holds 5 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 1 EPO patent. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1985-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoto Hara. Retrieved from https://idiyas.com/inventor/naoto-hara

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

USPTO Granted Patents = 5 

% Patents Active = 60.0


 

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Tsurugashima, JP (1985)
  • Saitama, JP (1999 - 2004)

Company Filing History:


Years Active: 1985-2004

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5 patents (USPTO):Explore Patents

Title: Naoto Hara: Innovator in Internal Combustion Engine Technology

Introduction

Naoto Hara is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 5 patents. His innovative designs focus on enhancing thermal efficiency and simplifying engine structures.

Latest Patents

Hara's latest patents include groundbreaking designs for internal combustion engines. One of his notable inventions features a piston that is slidably fitted in a cylinder, connected to an auxiliary piston through a first connecting rod. This design suppresses the increase of the combustion chamber volume corresponding to the crank angle, thereby enhancing the equal volume degree during combustion and improving thermal efficiency. Another patent aims to increase thermal efficiency by maintaining a constant volume of the fuel-air mixture during combustion. This design positions the combustion chamber between the piston and the crankshaft, allowing for a more efficient engine operation.

Career Highlights

Naoto Hara is associated with Honda Giken Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His work has been instrumental in advancing engine technology, contributing to Honda's reputation for innovation and efficiency in the automotive industry.

Collaborations

Hara has collaborated with notable colleagues such as Masatoshi Suzuki and Shinichi Miyakoshi. Their combined expertise has fostered a creative environment that encourages the development of cutting-edge technologies in engine design.

Conclusion

Naoto Hara's contributions to internal combustion engine technology exemplify his commitment to innovation and efficiency. His patents reflect a deep understanding of engine mechanics and a drive to enhance performance. Hara's work continues to influence the automotive industry, paving the way for future advancements.

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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