Kanagawa, Japan

Kiyokazu Yamamoto

This inventor holds 6 USPTO granted patents. Top assignees: Jidosha Denki Kogyo Kabushiki Kaisha, Nissan Motor Company Limited, Jidosha Denki Kogyo Kabushiki. Active years: 1983-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyokazu Yamamoto. Retrieved from https://idiyas.com/inventor/kiyokazu-yamamoto

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 = 3.1

ph-index = 6

Forward Citations = 128(Granted Patents)


Location History:

  • Fujisawa, JP (1983 - 1984)
  • Kanagawa, JP (1989 - 1992)

Company Filing History:


Years Active: 1983-1992

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6 patents (USPTO):Explore Patents

Title: Kiyokazu Yamamoto: Innovator in Fuel Tank Technology

Introduction

Kiyokazu Yamamoto is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of fuel tank technology, holding a total of six patents. His innovative designs focus on improving the efficiency and functionality of fuel systems.

Latest Patents

Yamamoto's latest patents include a jet pump structure for a fuel tank and a unique fuel tank arrangement. The jet pump structure features a design with first, second, and third fuel pipes connected to a vacuum chamber within the fuel tank. This innovative setup allows for the effective management of fuel flow, ensuring that oversupplied fuel is efficiently returned to the vacuum chamber. The design also incorporates a flow guide member that creates a swirl flow, enhancing the suction of fuel from the first chamber. The fuel tank arrangement patent describes a bottom wall with an inwardly extending projection that separates the tank into two chambers, optimizing fuel pumping and return processes.

Career Highlights

Throughout his career, Kiyokazu Yamamoto has worked with prominent companies in the automotive industry, including Nissan Motor Company Limited and Jidosha Denki Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in fuel technology.

Collaborations

Yamamoto has collaborated with notable colleagues such as Michiaki Sasaki and Ko Hiratsuka. Their combined expertise has contributed to the advancement of fuel tank technologies and the successful implementation of innovative solutions.

Conclusion

Kiyokazu Yamamoto's contributions to fuel tank technology through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence the automotive industry and improve fuel efficiency.

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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