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USPTO Data Jan 1 1976 - Oct 13 2026
73 Patents
#21 in Nagano
#1,379 in Japan
#10,263 in the World
Optical Logic Inc.
Forward Citations = 244
10 inventors:
Optical Logic Inc.
% Expired Patents = 24.7
Forward Citations = 244
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10 inventors (with patents filed for the assignee):
Yoji Kubota (73 out of 170 patents)
Kenichi Kubota (65 out of 155 patents)
Hitoshi Hirano (65 out of 179 patents)
4. Tomohiro Yonezawa (28 out of 76 patents)
5. Yoshio Ise (24 out of 45 patents)
6. Ichiro Kurihara (24 out of 28 patents)
7. Sayuri Noda (12 out of 22 patents)
8. Hisao Fukaya (10 out of 86 patents)
9. Sumio Fukuda (4 out of 4 patents)
10. Yukio Sekine (1 out of 59 patents)
Core Competencies:
Imaging Lens
Zoom Lens
Image Element
Optical Design
Lens System
Optical Element
Image Formation
Imaging Device
Optical Performance
Lens Configuration
Lens Assembly
Optical System
73 patents:
Company Overview
Optical Logic Inc., based in Nagano, Japan, specializes in advanced imaging lens technology. The company focuses on the design and manufacture of high-performance imaging systems, including zoom lenses and optical elements that enhance image formation in various imaging devices. With a commitment to innovation in optical design, Optical Logic Inc. plays a significant role in the development of sophisticated lens systems that cater to diverse applications in the imaging industry.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Optical Logic Inc.. Retrieved from https://idiyas.com/company/optical-logic
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]