For the Inventor, By the Inventor

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Mountain View, CA, United States of America

Solfocus, Inc.

USPTO Granted Patents = 13

% Expired Patents = 76.9

EPO Patents = 2

Forward Citations = 48

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19 inventors (with patents filed for the assignee):

Stephen John Horne (7 out of 13 patents)

Gary D Conley (4 out of 4 patents)

Mark E McDonald (3 out of 67 patents)

4. Eric R Prather (2 out of 29 patents)

5. Peter Ronald Young (2 out of 20 patents)

6. Hing Wah Chan (2 out of 3 patents)

7. David Kirtland Fork (2 out of 143 patents)

8. Roland Winston (1 out of 52 patents)

9. Randy Gee (1 out of 6 patents)

10. John Stuart Fitch (1 out of 41 patents)

11. Harold Ackler (1 out of 3 patents)

12. Michael C Weisberg (1 out of 19 patents)

13. Mark A Spencer (1 out of 3 patents)

14. David G Duff (1 out of 50 patents)

15. John Steffen Jensen (1 out of 2 patents)

13 patents: Sort by Forward Citations

1. 8389851 - Metal trace fabrication for optical element (2013-03-05),

2. 8119905 - Combination non-imaging concentrator (2012-02-21),

3. 8076625 - Field level tracker controller (2011-12-13),

4. 8063300 - Concentrator solar photovoltaic array with compact tailored imaging power units (2011-11-22),

5. 7985921 - Systems to retain an optical element on a solar cell (2011-07-26),

6. 7971587 - Apparatus and method for solar thermal energy collection (2011-07-05),

7. 7928316 - Solar concentrator backpan (2011-04-19),

8. 7895017 - System to increase SNR of CPV-generated power signal (2011-02-22),

9. 7855423 - Semiconductor mount (2010-12-21),

10. 7851693 - Passively cooled solar concentrating photovoltaic device (2010-12-14),

11. 7779829 - Solar thermal collector manifold (2010-08-24),

12. 7545011 - Semiconductor mount (2009-06-09),

13. 7473000 - Shield for solar radiation collector (2009-01-06),

SolFocus, Inc. is a leading provider of innovative solar energy solutions. We specialize in developing and manufacturing high-efficiency Concentrator Photovoltaic (CPV) systems for commercial and utility-scale solar projects. Our patented technology utilizes mirrors and lenses to concentrate sunlight onto small, high-performance solar cells, increasing energy production and reducing overall system costs. With a strong focus on sustainability and renewable energy, SolFocus strives to make solar power more accessible and efficient for businesses and communities worldwide.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

13 Patents

#204 in Mountain View, CA

#5,648 in California

#23,808 in US

#44,950 in the World

Mountain View, CA, United States of America

Solfocus, Inc.

Forward Citations = 48

19 inventors:

Stephen John Horne (7 out of 13 patents)

Gary D Conley (4 out of 4 patents)

Mark E McDonald (3 out of 67 patents)

4. Eric R Prather (2 out of 29 patents)

5. Peter Ronald Young (2 out of 20 patents)

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