Trademarks = 2

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Toshihiko Osawa (1 out of 13 patents)

Masato Sugiura (1 out of 8 patents)

Kenichi Iguchi (1 out of 1 patent)

4. Shigeo Sakurai (1 out of 2 patents)

5. Masanori Inayoshi (1 out of 2 patents)

1 patent: Sort by Forward Citations

#6,086 in Tokyo

#15,732 in Japan

Corunum Corporation

Forward Citations = 0

5 inventors:

Toshihiko Osawa (1 out of 13 patents)

Masato Sugiura (1 out of 8 patents)

Kenichi Iguchi (1 out of 1 patent)

4. Shigeo Sakurai (1 out of 2 patents)

5. Masanori Inayoshi (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Corunum Corporation. Retrieved from https://idiyas.com/company/corunum

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]