Tokushima, Japan

Fumikazu Mizukoshi

This inventor holds 5 USPTO granted patents and 8 published patent applications and 4 EPO patents. Top assignees: Panasonic Energy Co., Ltd., Panasonic Holdings Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 2023-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumikazu Mizukoshi. Retrieved from https://idiyas.com/inventor/fumikazu-mizukoshi

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

USPTO Granted Patents = 5 

% Patents Active = 100.0


Average Co-Inventor Count = 3.7

ph-index = 1


Location History:

  • Tokushima, JP (2023 - 2024)
  • Osaka, JP (2024)

Company Filing History:


Years Active: 2023-2024

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5 patents (USPTO):Explore Patents

Title: Fumikazu Mizukoshi: Innovator in Battery Technology

Introduction

Fumikazu Mizukoshi is a prominent inventor based in Tokushima, Japan. He has made significant contributions to the field of battery technology, holding a total of five patents. His work focuses on enhancing the performance and efficiency of non-aqueous electrolyte secondary cells and cylindrical batteries.

Latest Patents

Mizukoshi's latest patents include a non-aqueous electrolyte secondary cell that features a negative electrode with a unique active material layer. This layer contains two types of graphite particles, A and B, which are designed to optimize the cell's performance. The graphite particles A have an internal void rate of 5% or less, while particles B have a void rate of 8 to 20%. This innovative design ensures that the outer region of the active material layer contains more graphite particles A, enhancing the overall efficiency of the cell.

Another notable patent is for a cylindrical battery that incorporates a spirally wound electrode body. This design includes a negative-electrode core body and a mixture layer that utilizes graphite particles with low internal porosity. The exposed area of the electrode body is in contact with the inner surface of the exterior can, which contributes to the battery's structural integrity and performance.

Career Highlights

Mizukoshi has worked with leading companies in the energy sector, including Panasonic Energy Co., Ltd. and Panasonic Holdings Corporation. His experience in these organizations has allowed him to develop cutting-edge technologies that advance battery performance.

Collaborations

Throughout his career, Mizukoshi has collaborated with talented individuals such as Takamitsu Tashita and Takuya Shinomiya. These partnerships have fostered innovation and contributed to the success of his projects.

Conclusion

Fumikazu Mizukoshi is a key figure in the development of advanced battery technologies. His innovative patents and collaborations have significantly impacted the field, paving the way for future advancements in energy storage 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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