Forward Citations = 5

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3 inventors (with patents filed for the assignee):

Katutoshi Haga (1 out of 6 patents)

Hisatoshi Yoshida (1 out of 4 patents)

Yushi Mitani (1 out of 1 patent)

1 patent: Sort by Forward Citations

#831 in

#15,732 in Japan

Fujii Seiko Limited

Forward Citations = 5

3 inventors:

Katutoshi Haga (1 out of 6 patents)

Hisatoshi Yoshida (1 out of 4 patents)

Yushi Mitani (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fujii Seiko Limited. Retrieved from https://idiyas.com/company/fujii-seiko

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

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