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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#3,548 in Tokyo
#8,932 in Japan
Ace Denken Co., Ltd.
Forward Citations = 3
5 inventors:
Ace Denken Co., Ltd.
% Expired Patents = 33.3
Forward Citations = 3
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5 inventors (with patents filed for the assignee):
Hisashi Takahashi (3 out of 55 patents)
Eiji Ogura (3 out of 74 patents)
Tomiyasu Sasaki (3 out of 3 patents)
4. Yoshiharu Abe (3 out of 3 patents)
5. Jun Furudate (3 out of 3 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ace Denken Co., Ltd.. Retrieved from https://idiyas.com/company/ace-denken-company
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]
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]
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]