Koriyama, Japan

Tatsuo Shimizu

This inventor holds 3 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 1997-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Shimizu. Retrieved from https://idiyas.com/inventor/tatsuo-shimizu-exbinvm4

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 = 4.5

ph-index = 3

Forward Citations = 151(Granted Patents)


Location History:

  • Koriyama, JP (1997 - 1998)
  • Fukushima-ken, JP (1999)

Company Filing History:


Years Active: 1997-1999

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3 patents (USPTO):Explore Patents

Title: Innovations by Tatsuo Shimizu

Introduction

Tatsuo Shimizu is a notable inventor based in Koriyama, Japan. He has made significant contributions to the field of battery technology, particularly for electric vehicles. With a total of 3 patents to his name, Shimizu's work is recognized for its innovative approaches to enhancing battery performance and efficiency.

Latest Patents

One of Shimizu's latest patents is a battery structure for electric vehicles. This design includes a plurality of columnar component cells housed within a substantially square battery casing. The casing is constructed from an upper casing, a lower casing, and an intermediate casing, with side covers fitted at both ends. The design features rib walls that support the component cells and divide the interior into compartments, allowing for effective cooling through air holes in the top and bottom walls. This innovative cooling mechanism enhances the overall performance of the battery.

Another significant patent is for a nonaqueous electrolytic secondary battery. This battery is formed by winding thin-film positive and negative electrodes along with a thin-film separator. The design incorporates a cap at the distal end of a pole, which is interposed between a nut and a disk-like portion. The use of ceramic materials, such as alumina or zirconia, for the washer and patch enhances the durability and efficiency of the battery.

Career Highlights

Tatsuo Shimizu is currently employed at Nissan Motor Company Limited, where he continues to develop cutting-edge battery technologies. His work is instrumental in advancing the capabilities of electric vehicles, contributing to a more sustainable future.

Collaborations

Shimizu collaborates with talented coworkers, including Etsuo Ogami and Yosuke Kita. Their combined expertise fosters an environment of innovation and creativity within the company.

Conclusion

Tatsuo Shimizu's contributions to battery technology exemplify the spirit of innovation in the automotive industry. His patents reflect a commitment to enhancing electric vehicle performance and sustainability.

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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