Forward Citations = 4

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8 inventors (with patents filed for the assignee):

Masaaki Sato (2 out of 60 patents)

Yasuharu Yamada (1 out of 31 patents)

Yutaka Hayashi (1 out of 42 patents)

4. Hirofumi Yoshihara (1 out of 2 patents)

5. Yoshiki Maeyashiki (1 out of 3 patents)

6. Hideyuki Harada (1 out of 1 patent)

7. Akihiro Kasai (1 out of 1 patent)

8. Mitsuru Inoue (1 out of 1 patent)

2 patents: Sort by Forward Citations

#400 in Kanagawa

#11,133 in Japan

Optotechno Co., Ltd.

Forward Citations = 4

8 inventors:

Masaaki Sato (2 out of 60 patents)

Yasuharu Yamada (1 out of 31 patents)

Yutaka Hayashi (1 out of 42 patents)

4. Hirofumi Yoshihara (1 out of 2 patents)

5. Yoshiki Maeyashiki (1 out of 3 patents)

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