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USPTO Data Jan 1 1976 - Oct 6 2026
1 Patents
#46 in Hokkaido
#15,732 in Japan
Hitachi Hokkai
Forward Citations = 26
3 inventors:
Hitachi Hokkai
Forward Citations = 26
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3 inventors (with patents filed for the assignee):
Masakatsu Gotou (1 out of 3 patents)
Tetsuya Hayashida (1 out of 28 patents)
Hiroshi Kikuchi (1 out of 91 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Hokkai. Retrieved from https://idiyas.com/company/hitachi-hokkai
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]