Utsunomiya, Japan

Yasushi Kojima

This inventor holds 12 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2007-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Kojima. Retrieved from https://idiyas.com/inventor/yasushi-kojima-jc2h683r

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

Calculating rank

% Patents Active = 33.3



Average Co-Inventor Count = 3.5

ph-index = 4

Forward Citations = 33(Granted Patents)


Location History:

  • Saitama, JP (2008)
  • Utsunomiya, JP (2007 - 2012)
  • Wako, JP (2017 - 2019)

Company Filing History:


Years Active: 2007-2019

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12 patents (USPTO):Explore Patents

Title: Yasushi Kojima: Innovator in Fuel Cell Technology

Introduction

Yasushi Kojima is a prominent inventor based in Utsunomiya, Japan. He has made significant contributions to the field of fuel cell technology, holding a total of 12 patents. His work focuses on improving the efficiency and functionality of fuel cell systems and electric power systems.

Latest Patents

Kojima's latest patents include a fuel cell system control method and a fuel cell vehicle. The control method involves a fuel cell side converter that steps up the fuel cell voltage to match the inverter terminal voltage supplied to the inverter. A margin voltage is established to ensure the proper operation of the fuel cell side converter. Additionally, the energy storage device side converter can either maintain a directly connected state or transform the energy storage device voltage, depending on the operational requirements. His electric power system patent outlines a system that includes an electric power generator, a first converter, and an electric energy storage device, with a controller that manages the output based on charging and discharging margins.

Career Highlights

Throughout his career, Yasushi Kojima has worked with notable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop innovative solutions in the automotive and energy sectors.

Collaborations

Kojima has collaborated with esteemed colleagues, including Seigo Murashige and Yutaka Asano. Their combined expertise has contributed to advancements in fuel cell technology and electric power systems.

Conclusion

Yasushi Kojima's work in fuel cell technology and electric power systems showcases his innovative spirit and dedication to advancing energy solutions. His contributions continue to influence the industry and pave the way for future developments.

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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