% Expired Patents = 50.0

Forward Citations = 76

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10 inventors (with patents filed for the assignee):

Michael Ragan Krames (2 out of 187 patents)

Frank Tin Chung Shum (1 out of 20 patents)

Andrew Felker (1 out of 14 patents)

4. Frank Michael Steranka (1 out of 46 patents)

5. Arpan Chakraborty (1 out of 61 patents)

6. Troy A Trottier (1 out of 34 patents)

7. Thomas M Katona (1 out of 13 patents)

8. Nicholas Andrew Vickers (1 out of 3 patents)

9. Jeffery Parker (1 out of 1 patent)

10. William Houck (1 out of 5 patents)

4 patents: Sort by Forward Citations

1. D836826 - Gable lighting fixture (2018-12-25),

2. 8905588 - System and method for providing color light sources in proximity to predetermined wavelength conversion structures (2014-12-09),

3. 8153475 - Back-end processes for substrates re-use (2012-04-10),

4. 8148180 - Techniques of forming Ohmic contacts on GaN light emitting diodes (2012-04-03),

Company Overview

Sorra, Inc. is a technology company specializing in innovative solutions for renewable energy and sustainable living. With a focus on solar power and energy storage, Sorra is committed to creating a more environmentally friendly future. Our team of experts develops cutting-edge technology to help individuals and businesses reduce their carbon footprint and save on energy costs. Sorra, Inc. - powering a cleaner tomorrow.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#309 in Fremont, CA

#14,058 in California

#60,671 in US

Fremont, CA, United States of America

Sorra, Inc.

Forward Citations = 76

10 inventors:

Michael Ragan Krames (2 out of 187 patents)

Frank Tin Chung Shum (1 out of 20 patents)

Andrew Felker (1 out of 14 patents)

4. Frank Michael Steranka (1 out of 46 patents)

5. Arpan Chakraborty (1 out of 61 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sorra, Inc.. Retrieved from https://idiyas.com/company/sorra

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]