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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#6,105 in Tokyo
#15,762 in Japan
Shigaki Company Limited
Forward Citations = 3
5 inventors:
Shigaki Company Limited
Calculating rank
% Expired Patents = 100.0
Forward Citations = 3
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5 inventors (with patents filed for the assignee):
Eiichi Ishigaki (1 out of 19 patents)
Takahiro Goto (1 out of 1 patent)
Koji Ishimoto (1 out of 1 patent)
4. Kazuhisa Ishimura (1 out of 1 patent)
5. Kazumitsu Oura (1 out of 3 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shigaki Company Limited. Retrieved from https://idiyas.com/company/shigaki-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]