Tokorozawa, Japan

Genjiro Hamakawa

This inventor holds 1 USPTO granted patent. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Genjiro Hamakawa. Retrieved from https://idiyas.com/inventor/genjiro-hamakawa

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 = 2.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Genjiro Hamakawa: Innovator in Engine Technology

Introduction

Genjiro Hamakawa is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of internal combustion engines, particularly in enhancing fuel efficiency and performance. His innovative approach has led to the development of a unique fuel increase system that addresses common challenges faced by engine users.

Latest Patents

Hamakawa holds a patent for a "Fuel increase system for engine." This invention features an acceleration pump that delivers additional fuel to both the main intake passage and the auxiliary intake passage of an internal combustion engine. This system facilitates cold starting by ensuring that each main combustion chamber is in communication with an auxiliary combustion chamber. The design includes coordinated means for operating the acceleration pump and throttle valves in the intake passages. Notably, the communication between the acceleration pump and the main intake passage remains open at all times, while the passageway connecting the acceleration pump and the auxiliary intake passage is closed except during low ambient temperatures. The closure of this connecting passageway is automatically managed or coordinated with the operation of the choke valve for the main intake passage. Hamakawa's innovation is a testament to his expertise in engine technology.

Career Highlights

Genjiro Hamakawa is associated with Honda Giken Kogyo Kabushiki Kaisha, a leading company in the automotive industry. His work at Honda has allowed him to apply his inventive skills in a practical setting, contributing to advancements in engine performance and efficiency. His dedication to innovation has positioned him as a valuable asset within the company.

Collaborations

Hamakawa has collaborated with Kenji Naito, a fellow innovator, to further enhance their projects and share insights in the field of engine technology. Their partnership exemplifies the spirit of teamwork and innovation that drives progress in the automotive sector.

Conclusion

Genjiro Hamakawa's contributions to engine technology through his patented fuel increase system demonstrate his commitment to innovation and efficiency. His work continues to influence the automotive industry, showcasing the importance of inventive minds in driving technological 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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