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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#831 in
#15,762 in Japan
Lead Co., Ltd.
Forward Citations = 6
3 inventors:
Lead Co., Ltd.
Calculating rank
% Expired Patents = 100.0
EPO Patents = 1
Trademarks = 2
Forward Citations = 6
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3 inventors (with patents filed for the assignee):
Hiroshi Ishida (1 out of 24 patents)
Tomohiro Inoue (1 out of 105 patents)
Akihiko Uchida (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lead Co., Ltd.. Retrieved from https://idiyas.com/company/lead-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]
1 patent (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]