Forward Citations = 7

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5 inventors (with patents filed for the assignee):

Akira Kitamura (1 out of 2 patents)

Shigekazu Hirata (1 out of 2 patents)

Shigeaki Fujimori (1 out of 1 patent)

4. Katsuhiro Nagira (1 out of 1 patent)

5. Toru Shimizu (1 out of 1 patent)

2 patents: Sort by Forward Citations

#24 in Amagasaki

#11,139 in Japan

Osaka Fuji Kogyo, Ltd.

Forward Citations = 7

5 inventors:

Akira Kitamura (1 out of 2 patents)

Shigekazu Hirata (1 out of 2 patents)

Shigeaki Fujimori (1 out of 1 patent)

4. Katsuhiro Nagira (1 out of 1 patent)

5. Toru Shimizu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Osaka Fuji Kogyo, Ltd.. Retrieved from https://idiyas.com/company/osaka-fuji-kogyo

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]