Forward Citations = 9

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8 inventors (with patents filed for the assignee):

Takao Horie (2 out of 5 patents)

Hideo Hirano (1 out of 6 patents)

Tadashi Kitudo (1 out of 1 patent)

4. Mamoru Takemura (1 out of 1 patent)

5. Mituaki Matumuro (1 out of 1 patent)

6. Hideto Matumoto (1 out of 1 patent)

7. Kazumichi Shimizu (1 out of 1 patent)

8. Shoichi Sakai (1 out of 1 patent)

3 patents: Sort by Forward Citations

#33 in Gifu

#8,929 in Japan

Okamoto Co., Ltd.

Forward Citations = 9

8 inventors:

Takao Horie (2 out of 5 patents)

Hideo Hirano (1 out of 6 patents)

Tadashi Kitudo (1 out of 1 patent)

4. Mamoru Takemura (1 out of 1 patent)

5. Mituaki Matumuro (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Okamoto Co., Ltd.. Retrieved from https://idiyas.com/company/okamoto-company

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]