Forward Citations = 10

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9 inventors (with patents filed for the assignee):

Katsuo Kobayashi (1 out of 2 patents)

Mitsunori Yoshida (1 out of 1 patent)

Takeshi Sawai (1 out of 11 patents)

4. Fumito Nakamura (1 out of 1 patent)

5. Nobuya Minemura (1 out of 1 patent)

6. Katsuo Umehara (1 out of 1 patent)

7. Masaru Saitoh (1 out of 1 patent)

8. Hiromu Endoh (1 out of 1 patent)

9. Yukihiro Kato (1 out of 1 patent)

2 patents: Sort by Forward Citations

#25 in Sapporo

#11,133 in Japan

Hokkaido

Forward Citations = 10

9 inventors:

Katsuo Kobayashi (1 out of 2 patents)

Mitsunori Yoshida (1 out of 1 patent)

Takeshi Sawai (1 out of 11 patents)

4. Fumito Nakamura (1 out of 1 patent)

5. Nobuya Minemura (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hokkaido. Retrieved from https://idiyas.com/company/hokkaido

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]