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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#3,548 in Tokyo
#8,932 in Japan
W & Co.
Forward Citations = 25
4 inventors:
W & Co.
% Expired Patents = 33.3
Forward Citations = 25
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4 inventors (with patents filed for the assignee):
Hiroyuki Ito (1 out of 78 patents)
Toru Watanabe (1 out of 42 patents)
Chrisopher John Andew Barnardo (1 out of 1 patent)
4. Richard Guy Blakesley (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: W & Co.. Retrieved from https://idiyas.com/company/w-and-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]
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]