Susono, Japan

Michihiro Ohhashi

This inventor holds 1 USPTO granted patent. Top assignee: Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michihiro Ohhashi. Retrieved from https://idiyas.com/inventor/michihiro-ohhashi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Michihiro Ohhashi: Innovator in Fuel Gas Management

Introduction

Michihiro Ohhashi is a notable inventor based in Susono, Japan. He has made significant contributions to the field of fuel management systems. His innovative approach has led to the development of a unique apparatus designed to prevent the discharge of evaporated fuel gas.

Latest Patents

Ohhashi holds a patent for an "Apparatus for preventing the discharge of evaporated fuel gas." This invention includes a charcoal canister for absorbing and temporarily storing fuel gas. It features a purge port placed in the intake passage of the carburetor, along with a passage for evaporated fuel that connects the purge port with the charcoal canister. This design allows the stored evaporated fuel to be supplied to the engine during operation, utilizing the negative pressure in the air passage. Additionally, it includes a second purge port that opens to a venturi section of the carburetor, a second passage for evaporated fuel, and a check valve that permits flow only in the direction of the venturi section. Ohhashi's patent is a testament to his innovative thinking and engineering skills, with a total of 1 patent to his name.

Career Highlights

Ohhashi is currently employed at Toyota Jidosha Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His work at Toyota has allowed him to apply his inventive ideas in a practical setting, contributing to advancements in automotive technology.

Collaborations

One of his notable collaborators is Nobuaki Wakita. Together, they have worked on various projects that enhance fuel efficiency and reduce emissions in vehicles.

Conclusion

Michihiro Ohhashi's contributions to fuel gas management demonstrate his commitment to innovation in the automotive industry. His patent reflects a significant advancement in preventing fuel gas discharge, showcasing his expertise and dedication to improving vehicle 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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