Tokyo, Japan

Tsutomu Yoshinaka

This inventor holds 3 USPTO granted patents. Top assignee: Dai Nippon Printing Co., Ltd.. Active years: 2003-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Yoshinaka. Retrieved from https://idiyas.com/inventor/tsutomu-yoshinaka

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 11.0

ph-index = 3

Forward Citations = 85(Granted Patents)


Company Filing History:


Years Active: 2003-2013

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3 patents (USPTO):Explore Patents

Title: The Innovations of Tsutomu Yoshinaka

Introduction

Tsutomu Yoshinaka is a notable inventor based in Shinjuku-ku, Japan. He has made significant contributions to the field of battery technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of battery components.

Latest Patents

One of Yoshinaka's latest patents is the development of a battery case forming sheet and battery packet. This innovative battery packet comprises a battery case formed by processing a battery case forming laminated sheet, which contains a battery and tabs extending outside from the battery case. The laminated sheet is constructed by layering a first base film layer, a metal foil layer, and a heat-adhesive resin layer in that order. The first base film layer is made from a biaxially oriented polyethylene terephthalate resin film or a biaxially oriented nylon resin film. The metal foil layer can be aluminum or copper foil, while the heat-adhesive resin layer is preferably made of an acid-denatured polyolefin resin.

Career Highlights

Yoshinaka is currently employed at Dai Nippon Printing Co., Ltd., where he continues to innovate in the field of battery technology. His work has been instrumental in advancing the design and manufacturing processes of battery components.

Collaborations

Throughout his career, Yoshinaka has collaborated with talented individuals such as Takuya Yamazaki and Kiyoshi Oguchi. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Tsutomu Yoshinaka's contributions to battery technology exemplify the spirit of innovation. His patents and collaborative efforts continue to influence the industry, 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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