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Birmingham, AL, United States of America

David Diehl Roberts, Iii

Average Co-Inventor Count = 2.00

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 133

David Diehl Roberts, IiiAshok Deepak Shah (11 patents)David Diehl Roberts, IiiDavid Diehl Roberts, Iii (11 patents)Ashok Deepak ShahAshok Deepak Shah (17 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cooper Technologies Company (9 from 1,391 patents)

2. Signify Holding B.v. (1 from 1,788 patents)

3. Illumitron International (1 from 1 patent)


11 patents:

1. 10645770 - Energy management system

2. 9591724 - Managing SSL fixtures over PLC networks

3. 9549452 - Illumination device and fixture

4. 9155170 - Conductive magnetic coupling system

5. 8884549 - Illumination device and fixture

6. 8543226 - Energy management system

7. 8536805 - Illumination device and fixture

8. 8466585 - Managing SSL fixtures over PLC networks

9. 8324838 - Illumination device and fixture

10. 8148854 - Managing SSL fixtures over PLC networks

11. 7726974 - Magnetic power and data coupling for LED lighting

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as of
12/4/2025
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