For the Inventor, By the Inventor

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Santa Clarita, CA, United States of America

Cogent Light Technologies, Inc.

USPTO Granted Patents = 40

Forward Citations = 771

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21 inventors (with patents filed for the assignee):

Kenneth K Li (26 out of 66 patents)

Douglas M Brenner (14 out of 15 patents)

Glenn S Baker (8 out of 12 patents)

4. Chingfa Chen (7 out of 8 patents)

5. Robert L Piccioni (5 out of 7 patents)

6. Karlheinz Strobl (5 out of 11 patents)

7. Zafirios Gourgouliatos (4 out of 7 patents)

8. Thomas W Roller (4 out of 4 patents)

9. Robert Fischer (3 out of 3 patents)

10. Michael Thomas (3 out of 3 patents)

11. David D Chang (3 out of 9 patents)

12. Fred P Paulino (3 out of 3 patents)

13. Mark D Hopler (2 out of 2 patents)

14. Arnold M Heyman (1 out of 34 patents)

15. Harry Farrar (1 out of 1 patent)

Core Competencies:

Light Pipes

Optical Systems

Parabolic Reflectors

Fiber Optics

Illumination Systems

Surgical Tools

Optical Couplers

High Intensity Light

Temperature Control

Projection Displays

Cascaded Reflectors

Luminaire

40 patents: Sort by Forward Citations

1. 6854864 - Light pipe light source with flux condensing light pipe (2005-02-15),

2. 6672740 - Condensing and collecting optical system using parabolic reflectors or a corresponding ellipsoid/hyperboloid pair of reflectors (2004-01-06),

3. 6634759 - Coupling of light from a light source to a target using dual ellipsoidal reflectors (2003-10-21),

4. 6626582 - Snap-on connector system for coupling light from an illuminator to a fiber optic (2003-09-30),

5. 6619820 - Light condensing and collecting systems using lensed light pipes (2003-09-16),

6. 6616304 - Temperature control for arc lamps (2003-09-09),

7. 6595673 - Coupling of high intensity light into low melting point fiber optics using polygonal homogenizers (2003-07-22),

8. 6587269 - Polarization recovery system for projection displays (2003-07-01),

9. 6565235 - Folding an arc into itself to increase the brightness of an arc lamp (2003-05-20),

10. 6409391 - Fiber optic illumination adaptor assembly for multiple light guide connectors (2002-06-25),

11. 6385371 - Optical system including coupling for transmitting light between a single fiber light guide and multiple single fiber light guides (2002-05-07),

12. 6318885 - Method and apparatus for coupling light and producing magnified images using an asymmetrical ellipsoid reflective surface (2001-11-20),

13. 6312144 - Optical system having retro-reflectors (2001-11-06),

14. 6231199 - Collecting and condensing optical system using cascaded parabolic reflectors (2001-05-15),

15. 6227682 - Coupling of light from a small light source for projection systems using parabolic reflectors (2001-05-08),

Cogent Light Technologies, Inc. is a leading provider of innovative lighting solutions. With a focus on delivering energy-efficient and cost-effective lighting products, Cogent Light is dedicated to enhancing the visual experience in various environments. Our team of experts designs and manufactures cutting-edge LED lighting systems that meet the highest quality standards. From commercial and industrial applications to residential spaces, Cogent Light offers a wide range of lighting solutions that combine functionality, aesthetics, and sustainability. Visit our website to learn more about our products and projects.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

40 Patents

#3 in Santa Clarita, CA

#1,974 in California

#8,344 in US

#16,545 in the World

Santa Clarita, CA, United States of America

Cogent Light Technologies, Inc.

Forward Citations = 771

21 inventors:

Kenneth K Li (26 out of 66 patents)

Douglas M Brenner (14 out of 15 patents)

Glenn S Baker (8 out of 12 patents)

4. Chingfa Chen (7 out of 8 patents)

5. Robert L Piccioni (5 out of 7 patents)

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