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USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#4,375 in Tokyo
#11,147 in Japan
Tfb, Inc.
Forward Citations = 5
5 inventors:
Tfb, Inc.
Calculating rank
% Expired Patents = 50.0
CIPO Patents = 1
Forward Citations = 5
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5 inventors (with patents filed for the assignee):
Masahiro Kimura (1 out of 100 patents)
Hiroshige Itakura (1 out of 5 patents)
Kazuo Kondo (1 out of 11 patents)
4. Hiroo Yamamoto (1 out of 1 patent)
5. Kayoko Shigenobu (1 out of 4 patents)
6. Shujiro Sakaki (6 patents)
7. Kenshiro Shuto (9 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tfb, Inc.. Retrieved from https://idiyas.com/company/tfb
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]
1 patent (CIPO):
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]