% Expired Patents = 100.0

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Koji Kobayashi (1 out of 50 patents)

Mineyuki Yokoyama (1 out of 14 patents)

Masato Hatao (1 out of 10 patents)

4. Fumio Eguchi (1 out of 3 patents)

5. Takeshi Nawamura (1 out of 2 patents)

6. Nobuhiko Ochiai (1 out of 3 patents)

1 patent: Sort by Forward Citations

#48 in Gunma

#15,759 in Japan

Fumio Eguchi

Forward Citations = 0

6 inventors:

Koji Kobayashi (1 out of 50 patents)

Mineyuki Yokoyama (1 out of 14 patents)

Masato Hatao (1 out of 10 patents)

4. Fumio Eguchi (1 out of 3 patents)

5. Takeshi Nawamura (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fumio Eguchi. Retrieved from https://idiyas.com/company/fumio-eguchi

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]