Osaka, Japan

Masao Ootsuka

This inventor holds 3 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Panasonic Intellectual Property Managment Co., Ltd.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Ootsuka. Retrieved from https://idiyas.com/inventor/masao-ootsuka-g37u0b2w

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 66.7

 

Average Co-Inventor Count = 2.9

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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3 patents (USPTO):Explore Patents

Title: Masao Ootsuka: Innovator in Battery Technology

Introduction

Masao Ootsuka is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, holding a total of 3 patents. His work focuses on the development of hermetically sealed batteries, which are essential for various applications in modern technology.

Latest Patents

Ootsuka's latest patents include innovative designs for hermetically sealed batteries. The first patent describes a battery can with a cylindrical shape that includes a sealing plate. This sealing plate features a unique design with an inclined portion that enhances the battery's performance. The second patent also focuses on a hermetically sealed battery, detailing a battery can with a bottomed cylindrical shape, an electrode body, and a sealing plate that incorporates a rivet serving as a terminal. This design includes an insulator that ensures electrical safety and efficiency.

Career Highlights

Masao Ootsuka is associated with Panasonic Intellectual Property Management Co., Ltd., where he continues to innovate in the field of battery technology. His work has contributed to advancements that improve the reliability and efficiency of batteries used in various electronic devices.

Collaborations

Ootsuka has collaborated with notable coworkers such as Tadayoshi Takahashi and Futoshi Tanigawa. Their combined expertise has fostered a creative environment that encourages innovation in battery design.

Conclusion

Masao Ootsuka's contributions to battery technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of efficient and reliable 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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