Tokyo, Japan

Hirofumi Takahashi

This inventor holds 11 USPTO granted patents and 5 published patent applications and 5 EPO patents. Top assignees: Vehicle Energy Japan Inc., Hitachi Automotive Systems, Ltd., Hitachi, Ltd.. Active years: 1995-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Takahashi. Retrieved from https://idiyas.com/inventor/hirofumi-takahashi

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

USPTO Granted Patents = 11 

% Patents Active = 72.7

 

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 127(Granted Patents)


Location History:

  • Hitachinaka, JP (2016)
  • Hitachi, JP (2010 - 2017)
  • Tokyo, JP (1995 - 2024)

Company Filing History:


Years Active: 1995-2024

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11 patents (USPTO):Explore Patents

Title: Hirofumi Takahashi: Innovator in Battery Technology

Introduction

Hirofumi Takahashi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, holding a total of 11 patents. His innovative designs focus on improving the efficiency and safety of battery packs.

Latest Patents

Among his latest patents, Takahashi has developed a battery pack that suppresses temperature rises between unit cells in a cell group. This invention includes a case, a cell group that connects multiple unit cells, and a fixing member that incorporates a heat path linking the upper surface of the battery to the side surface of the case. Another notable patent involves a battery pack featuring two battery groups, where the storage batteries are laminated with their side surfaces facing each other. This design ensures that the facing surfaces of both battery groups are thermally connected, enhancing performance.

Career Highlights

Takahashi has worked with notable companies such as Vehicle Energy Japan Inc. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to advancements in the industry.

Collaborations

Throughout his career, Takahashi has collaborated with talented individuals, including Tatsuhiko Kawasaki and Masanari Oda. These partnerships have fostered innovation and led to the development of cutting-edge battery solutions.

Conclusion

Hirofumi Takahashi's work in battery technology exemplifies his commitment to innovation and excellence. His patents reflect a deep understanding of the challenges in battery design and a dedication to creating safer and more efficient energy solutions.

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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