Tohoku Seed Co., Ltd.

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Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Kei Ogasawara (1 out of 4 patents)

Satoshi Niikura (1 out of 16 patents)

Kei Koyasaki (1 out of 1 patent)

4. Norifumi Tanaka (1 out of 1 patent)

5. Fumio Azuhata (1 out of 1 patent)

6. Atsushi Tanaka (1 out of 1 patent)

1 patent: Sort by Forward Citations

#1,903 in UTSUNOMIYA-SHI, TOCHIGI

#15,780 in Japan

Forward Citations = 0

6 inventors:

Kei Ogasawara (1 out of 4 patents)

Satoshi Niikura (1 out of 16 patents)

Kei Koyasaki (1 out of 1 patent)

4. Norifumi Tanaka (1 out of 1 patent)

5. Fumio Azuhata (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tohoku Seed Co., Ltd.. Retrieved from https://idiyas.com/company/tohoku-seed

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]