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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#6,094 in Tokyo
#15,745 in Japan
Hkt Corporation
Forward Citations = 5
5 inventors:
Hkt Corporation
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 5
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5 inventors (with patents filed for the assignee):
Kazunori Takahashi (1 out of 29 patents)
Shinya Sato (1 out of 95 patents)
Yoshihiro Kawada (1 out of 12 patents)
4. Mitsuru Hosoya (1 out of 10 patents)
5. Hiroshi Inoue (1 out of 75 patents)
6. Hiroshi Inoue (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hkt Corporation. Retrieved from https://idiyas.com/company/hkt
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]
1 patent (EPO):
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]