Asahi Kasei Battery Separator Corporation, based in Tokyo, specializes in the development and manufacturing of advanced battery separator materials. These materials are essential for lithium-ion batteries, playing a critical role in enhancing safety, performance, and longevity. The company focuses on innovative technologies that support the growing demand for energy storage solutions across various sectors, including automotive and consumer electronics. With a commitment to sustainability, Asahi Kasei aims to contribute to the evolution of energy systems globally.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#1,729 in Tokyo

#3,936 in Japan

#48,209 in the World

Tokyo, Japan

Asahi Kasei Battery Separator Corporation

Forward Citations = 0

24 inventors:

Xun Zhang (9 out of 13 patents)

Ryo Kuroki (5 out of 8 patents)

Hiromi Kobayashi (4 out of 38 patents)

4. Yuki Fukunaga (3 out of 8 patents)

5. Kensuke Niimura (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asahi Kasei Battery Separator Corporation. Retrieved from https://idiyas.com/company/asahi-kasei-battery-separator

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

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]

8 patents (EPO):

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]