% Expired Patents = 20.0

EPO Patents = 1

Trademarks = 1

Forward Citations = 3

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6 inventors (with patents filed for the assignee):

Yoshikazu Munakata (4 out of 4 patents)

Kazuyuki Miyoshi (1 out of 5 patents)

Chiharu Ishibe (1 out of 1 patent)

4. Tsuneo Sasamata (1 out of 1 patent)

5. Kaoru Miyoshi (1 out of 1 patent)

6. Hiroyuki Kawabata (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 12197048 - Eyeglass lens, eyeglasses, and eyeglass lens manufacturing method (2025-01-14),

2. 9891449 - Clip-on type eyeglasses (2018-02-13),

3. 7926936 - Eyeglass lens connector, eyeglasses with interchangeable lenses, and lens-forming substrate (2011-04-19),

4. 7510281 - Method for manufacturing bifocal lens (2009-03-31),

5. 7063419 - Sunglass with multistage stop function and attachment fitting thereof (2006-06-20),

Company Overview

Sun-ray Corporation is a leading provider of solar energy solutions. Our products include solar panels, inverters, and energy storage systems. We aim to help businesses and homes reduce their carbon footprint and lower their electricity bills through renewable energy sources. With a focus on sustainability and innovation, we strive to make solar energy accessible and affordable for all.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#717 in Osaka

#6,652 in Japan

Osaka, Japan

Sun-Ray Corporation

Forward Citations = 3

6 inventors:

Yoshikazu Munakata (4 out of 4 patents)

Kazuyuki Miyoshi (1 out of 5 patents)

Chiharu Ishibe (1 out of 1 patent)

4. Tsuneo Sasamata (1 out of 1 patent)

5. Kaoru Miyoshi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sun-Ray Corporation. Retrieved from https://idiyas.com/company/sun-ray

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]

1 patent (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]