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USPTO Data Jan 1 1976 - Oct 6 2026
2 Patents
#31 in Chungcheongnam-do
#3,791 in South Korea
Techsign Light Panel Co., Ltd.
Forward Citations = 10
8 inventors:
Chungcheongnam-do, South Korea
Techsign Light Panel Co., Ltd.
% Expired Patents = 50.0
Forward Citations = 10
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8 inventors (with patents filed for the assignee):
Seog Joon Kim (1 out of 2 patents)
Mee Suk Rho (1 out of 2 patents)
Kazuhiro Kashiwagi (1 out of 6 patents)
4. Isao Koike (1 out of 2 patents)
5. Kunitoshi Shimizu (1 out of 3 patents)
6. Akira Ikemoto (1 out of 2 patents)
7. Taek Woon Kim (1 out of 28 patents)
8. Hyejin Park (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Techsign Light Panel Co., Ltd.. Retrieved from https://idiyas.com/company/techsign-light-panel-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]