% Expired Patents = 100.0

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

Toshimasa Fukai (1 out of 20 patents)

Kaoru Kitakizaki (1 out of 11 patents)

Toru Tanimizu (1 out of 8 patents)

4. Toru Nishizawa (1 out of 1 patent)

5. Takayoshi Tanimura (1 out of 3 patents)

1 patent: Sort by Forward Citations

#1 in Suntou-gun

#15,759 in Japan

Tc-Tanic, Incorporated

Forward Citations = 1

5 inventors:

Toshimasa Fukai (1 out of 20 patents)

Kaoru Kitakizaki (1 out of 11 patents)

Toru Tanimizu (1 out of 8 patents)

4. Toru Nishizawa (1 out of 1 patent)

5. Takayoshi Tanimura (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tc-Tanic, Incorporated. Retrieved from https://idiyas.com/company/tc-tanic

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]