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USPTO Data Jan 1 1976 - Oct 27 2026
7 Patents
#74 in Nagano
#5,462 in Japan
Light Optical Works, Ltd.
Forward Citations = 4
10 inventors:
Light Optical Works, Ltd.
Calculating rank
EPO Patents = 2
Forward Citations = 4
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10 inventors (with patents filed for the assignee):
Kan Hanaoka (4 out of 4 patents)
Takashi Abe (3 out of 14 patents)
Masatomi Iwanami (3 out of 3 patents)
4. Kensuke Sakai (3 out of 3 patents)
5. Kenichi Seki (2 out of 5 patents)
6. Toru Murakami (2 out of 2 patents)
7. Masaki Imai (1 out of 1 patent)
8. Hidemi Oguchi (1 out of 1 patent)
9. Tsutomu Akiba (1 out of 1 patent)
10. Wataru Kawai (1 out of 1 patent)
11. Katsuji Urai (0 patent)
7 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Light Optical Works, Ltd.. Retrieved from https://idiyas.com/company/light-optical-works
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]
2 patents (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]