% Expired Patents = 100.0

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Takahiro Hamada (1 out of 26 patents)

Takuma Kawamura (1 out of 1 patent)

Fuminori Watanabe (1 out of 1 patent)

4. John Alexenko (1 out of 1 patent)

1 patent: Sort by Forward Citations

#211 in Grand Cayman

#301 in Cayman Islands

Gaintech Co. Limited

Forward Citations = 2

4 inventors:

Takahiro Hamada (1 out of 26 patents)

Takuma Kawamura (1 out of 1 patent)

Fuminori Watanabe (1 out of 1 patent)

4. John Alexenko (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gaintech Co. Limited. Retrieved from https://idiyas.com/company/gaintechcompany

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]