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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#6,102 in Tokyo
#15,755 in Japan
Hitachi Kyowa Kogyo, Ltd.
Forward Citations = 9
4 inventors:
Hitachi Kyowa Kogyo, Ltd.
Calculating rank
Forward Citations = 9
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4 inventors (with patents filed for the assignee):
Yoshikazu Sugimoto (1 out of 3 patents)
Masaki Takeshima (1 out of 7 patents)
Kiyotaka Shirosaki (1 out of 2 patents)
4. Masashi Kawaguchi (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Kyowa Kogyo, Ltd.. Retrieved from https://idiyas.com/company/hitachi-kyowa-kogyo
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]