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For the Inventor, By the Inventor

San Jose, CA, United States of America

Tetrasun, Inc.

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 83.3


Forward Citations = 13

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9 inventors (with patents filed for the assignee):

goldMedal Oliver Schultz-Wittmann (9 out of 11 patents)

silverMedal Adrian Bruce Turner (7 out of 7 patents)

bronzeMedal Douglas E Crafts (7 out of 43 patents)

4.  Denis DeCeuster (3 out of 3 patents)

5.  Denis De Ceuster (1 out of 21 patents)

6.  Bonneville Dudgeon Eggleston (1 out of 1 patent)

7.  Qing Yuan Ong (1 out of 1 patent)

8.  Qin Yang Ong (1 out of 1 patent)

9.  Oliver Schultz-Wittman (1 out of 1 patent)


12 patents:

1. 9966481 - Shielded electrical contact and doping through a passivating dielectric layer in a high-efficiency crystalline solar cell, including structure and methods of manufacture (2018-05-08),
2. 9673341 - Photovoltaic devices with fine-line metallization and methods for manufacture (2017-06-06),
3. 9666732 - High-efficiency solar cell structures and methods of manufacture (2017-05-30),
4. 9634179 - Selective removal of a coating from a metal layer, and solar cell applications thereof (2017-04-25),
5. 9564542 - Selective transformation in functional films, and solar cell applications thereof (2017-02-07),
6. 9508887 - Methods of forming solar cells (2016-11-29),
7. 9478694 - Method for forming structures in a solar cell (2016-10-25),
8. 9443994 - Shielded electrical contact and doping through a passivating dielectric layer in a high-efficiency crystalline solar cell, including structure and methods of manufacture (2016-09-13),
9. 9184314 - Shielded electrical contact and doping through a passivating dielectric layer in a high-efficiency crystalline solar cell, including structure and methods of manufacture (2015-11-10),
10. 9130074 - High-efficiency solar cell structures and methods of manufacture (2015-09-08),
11. 8940572 - Method for forming structures in a solar cell (2015-01-27),
12. 8236604 - Fine line metallization of photovoltaic devices by partial lift-off of optical coatings (2012-08-07),
Company Overview
Tetrasun, Inc. is a technology company based in San Jose, California, specializing in advanced solar energy solutions. The organization focuses on the development and manufacturing of high-efficiency solar cells and modules, leveraging innovative materials and processes to enhance energy conversion. Tetrasun aims to contribute to sustainable energy initiatives by providing cost-effective and reliable solar power technologies, catering to both residential and commercial markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#466 in San Jose, CA

#6,066 in California

#25,578 in US

#48,209 in the World

San Jose, CA (US)
San Jose, CA, United States of America

Tetrasun, Inc.

Forward Citations = 13

9 inventors:

goldMedal Oliver Schultz-Wittmann (9 out of 11 patents)

silverMedal Adrian Bruce Turner (7 out of 7 patents)

bronzeMedal Douglas E Crafts (7 out of 43 patents)

4.  Denis DeCeuster (3 out of 3 patents)

5.  Denis De Ceuster (1 out of 21 patents)

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

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]
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