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For the Inventor, By the Inventor

Solon, OH, United States of America

Energy Focus, Inc.


USPTO Granted Patents = 33



Trademarks = 14

Forward Citations = 143

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37 inventors (with patents filed for the assignee):

goldMedal Laszlo A Takacs (12 out of 15 patents)

silverMedal John M Davenport (11 out of 119 patents)

bronzeMedal Roger F Buelow (8 out of 16 patents)

4.  Chris H Jenson (7 out of 11 patents)

5.  Gregory P Frankiewicz (7 out of 14 patents)

6.  Roger F Buelow, Ii (7 out of 23 patents)

7.  Jeremiah A Heilman (5 out of 5 patents)

8.  William J Cassarly (5 out of 46 patents)

9.  Thomas L R Davenport (5 out of 7 patents)

10.  Attila Tomasovics (4 out of 7 patents)

11.  Dmitri Dmitrievich Kourennyi (3 out of 3 patents)

12.  Brian Milliff (3 out of 13 patents)

13.  Mark Cartellone (3 out of 3 patents)

14.  Sara Shipley (3 out of 3 patents)

15.  Greg Flies (2 out of 2 patents)


33 patents:

1. 11425805 - Control circuit for tubular light emitting diode (2022-08-23),
2. 11395396 - System and method for providing high power factor wired lamp control (2022-07-19),
3. 11388801 - Tubular LED ballast buck-boost converter (2022-07-12),
4. 11118741 - LED lamp utilizing optical filtering to counteract effects of color anomalous vision (2021-09-14),
5. 11057981 - System and method for providing high power factor wired lamp control (2021-07-06),
6. 10892615 - Circuit for mitigating electric shock (2021-01-12),
7. 10754664 - Illumination product reconfiguration (2020-08-25),
8. RE47402 - LED lamp system (2019-05-20),
9. 10236716 - Lamp with battery backup capability (2019-03-19),
10. 10222006 - Tubular lamp and lamp socket with power pin connector and signal pin connector (2019-03-05),
11. D822889 - LED endcap (2018-07-10),
12. D809703 - LED endcap (2018-02-06),
13. D783199 - LED endcap (2017-04-04),
14. D783198 - LED endcap (2017-04-04),
15. 9557044 - LED lamp with dual mode operation (2017-01-31),
Energy Focus, Inc. is a leading provider of energy-efficient LED lighting products and solutions. The company focuses on designing and manufacturing innovative LED lighting technologies for various applications. They offer a wide range of products including retrofit kits, lamps, fixtures, and control systems to maximize energy savings for commercial, industrial, and military customers. With a commitment to sustainability, Energy Focus helps organizations reduce energy consumption, lower maintenance costs, and create a greener future.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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33 Patents

#11 in Solon, OH

#423 in Ohio

#9,948 in US

#19,556 in the World

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Solon, OH, United States of America

Energy Focus, Inc.

Forward Citations = 143

37 inventors:

goldMedal Laszlo A Takacs (12 out of 15 patents)

silverMedal John M Davenport (11 out of 119 patents)

bronzeMedal Roger F Buelow (8 out of 16 patents)

4.  Chris H Jenson (7 out of 11 patents)

5.  Gregory P Frankiewicz (7 out of 14 patents)

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