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USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#1 in Choshi
#11,147 in Japan
Protein Express Co., Ltd.
Forward Citations = 2
5 inventors:
Protein Express Co., Ltd.
Calculating rank
% Expired Patents = 50.0
CIPO Patents = 1
Forward Citations = 2
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5 inventors (with patents filed for the assignee):
Masahiko Sisido (1 out of 3 patents)
Takahiro Hohsaka (1 out of 1 patent)
Yuichi Ishida (1 out of 4 patents)
4. Fumiaki Suzuki (1 out of 4 patents)
5. Kazuo Murakami (1 out of 9 patents)
6. Ryoji Abe (0 patent)
7. Masaki Ihara (0 patent)
8. Hiroaki Takagi (0 patent)
9. Hiroshi Ueda (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protein Express Co., Ltd.. Retrieved from https://idiyas.com/company/protein-express-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]
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]