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USPTO Data Jan 1 1976 - Oct 27 2026
3 Patents
#376 in
#8,938 in Japan
Ihi Metaltech Co., Ltd.
Forward Citations = 5
10 inventors:
Ihi Metaltech Co., Ltd.
Calculating rank
% Expired Patents = 66.7
EPO Patents = 2
Forward Citations = 5
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10 inventors (with patents filed for the assignee):
Hisashi Honjou (3 out of 13 patents)
Masahiro Kuchi (2 out of 5 patents)
Hiroyuki Otsuka (1 out of 33 patents)
4. Shigeru Tsuzuki (1 out of 2 patents)
5. Tsukasa Matsuzawa (1 out of 2 patents)
6. Hajime Ishii (1 out of 5 patents)
7. Kengo Ishige (1 out of 2 patents)
8. Yasuo Matsunaga (1 out of 2 patents)
9. Kenichi Ide (1 out of 10 patents)
10. Hiroyuki Ootsuka (1 out of 2 patents)
11. Nobuhiro Tazoe (18 patents)
12. Hideo Matsumura (0 patent)
13. Katuhiko Yanai (0 patent)
14. Fumitaka Yanai (0 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ihi Metaltech Co., Ltd.. Retrieved from https://idiyas.com/company/ihi-metaltech-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]
2 patents (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]