% Expired Patents = 75.0

EPO Patents = 6

Forward Citations = 81

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6 inventors (with patents filed for the assignee):

Eiichi Sato (12 out of 85 patents)

Hiroyasu Sato (7 out of 8 patents)

Kenji Fukuoka (5 out of 17 patents)

4. Ken Sato (3 out of 17 patents)

5. Rihito Sato (2 out of 2 patents)

6. Norio Fukuoka (1 out of 11 patents)

12 patents: Sort by Forward Citations

1. 9081229 - Surface light source unit, surface illumination device, and liquid crystal display device (2015-07-14),

2. 9062848 - Light source device and illumination device including the light source device (2015-06-23),

3. 8911133 - Planar light source device and illumination apparatus (2014-12-16),

4. 8911106 - Surface illumination fixture and surface illumination device (2014-12-16),

5. 8690380 - Surface illumination method using point light source, linear light source device, and surface illumination device using linear light source device (2014-04-08),

6. 8662710 - Illumination device (2014-03-04),

7. 8640368 - Light source device, lighting device, and display device (2014-02-04),

8. 8500308 - Light source device and illumination device using the same (2013-08-06),

9. 8408752 - Surface lighting unit, surface lighting light source device, surface lighting device (2013-04-02),

10. 8272772 - Surface illuminating light source device and surface illuminating device (2012-09-25),

11. 7819542 - Planar illumination light source device and planar illumination light device using the planar illumination light source device (2010-10-26),

12. 7726828 - Planar illumination light source device and planar illumination light device using the planar illumination light source device (2010-06-01),

Company Overview

Opto Design, Inc. is a Japanese company specializing in the development and manufacturing of advanced optical devices and systems. The organization focuses on innovative solutions in the fields of photonics and optics, catering to various industries including telecommunications, medical technology, and consumer electronics. With a commitment to research and development, Opto Design aims to enhance optical performance and efficiency, contributing to the advancement of technology in both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#85 in

#3,934 in Japan

#48,129 in the World

JP

Opto Design, Inc.

Forward Citations = 81

6 inventors:

Eiichi Sato (12 out of 85 patents)

Hiroyasu Sato (7 out of 8 patents)

Kenji Fukuoka (5 out of 17 patents)

4. Ken Sato (3 out of 17 patents)

5. Rihito Sato (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Opto Design, Inc.. Retrieved from https://idiyas.com/company/opto-design

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]

6 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]