Forward Citations = 2

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6 inventors (with patents filed for the assignee):

Kazuo Hirano (1 out of 23 patents)

Taiji Kambayashi (1 out of 12 patents)

Yuichiro Miura (1 out of 5 patents)

4. Takayuki Nate (1 out of 5 patents)

5. Masahisa Ohtsuka (1 out of 5 patents)

6. Toshitake Nagai (1 out of 10 patents)

1 patent: Sort by Forward Citations

#1 in Oizumi

#15,759 in Japan

Masahisa Ohtsuka

Forward Citations = 2

6 inventors:

Kazuo Hirano (1 out of 23 patents)

Taiji Kambayashi (1 out of 12 patents)

Yuichiro Miura (1 out of 5 patents)

4. Takayuki Nate (1 out of 5 patents)

5. Masahisa Ohtsuka (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Masahisa Ohtsuka. Retrieved from https://idiyas.com/company/masahisa-ohtsuka

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]