Growing community of inventors

Ross, CA, United States of America

Douglas J Herst

Average Co-Inventor Count = 2.09

ph-index = 30

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 = 2,422

Douglas J HerstUtkan Salman (59 patents)Douglas J HerstMichael Trung Tran (19 patents)Douglas J HerstPeter Y Y Ngai (13 patents)Douglas J HerstPeter Y Ngai (9 patents)Douglas J HerstFrank A Friedman (5 patents)Douglas J HerstHenry H Iwahashi (3 patents)Douglas J HerstHue Ly (2 patents)Douglas J HerstWilli Munz (2 patents)Douglas J HerstDouglas J Herst (94 patents)Utkan SalmanUtkan Salman (67 patents)Michael Trung TranMichael Trung Tran (62 patents)Peter Y Y NgaiPeter Y Y Ngai (82 patents)Peter Y NgaiPeter Y Ngai (14 patents)Frank A FriedmanFrank A Friedman (71 patents)Henry H IwahashiHenry H Iwahashi (3 patents)Hue LyHue Ly (7 patents)Willi MunzWilli Munz (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Peerless Lighting Corporation (38 from 47 patents)

2. Acuity Brands, Inc. (35 from 160 patents)

3. Nsi Enterprises, Inc. (13 from 76 patents)

4. Herst Lighting Co. (3 from 3 patents)

5. Herst Ventures, Inc. (3 from 3 patents)

6. Other (1 from 831,952 patents)


94 patents:

1. D1052586 - Computer device support platform

2. D1043701 - Computer device support stand

3. 11913601 - Universal support apparatus for camera enabled mobile computer devices

4. 7845821 - Flourescent lighting fixture module for indirect lighting of interior spaces, and method

5. D543310 - Lighting fixture hanger

6. D533958 - Portion of a lighting fixture

7. D522166 - Portion of a lighting fixture

8. D521677 - Portion of a lighting fixture

9. D521179 - Portion of a lighting fixture

10. D520176 - Portion of a lighting fixture

11. 6951407 - Edge connectable lighting fixture assembly and method

12. D508753 - Lighting fixture hanger

13. D500883 - Portion of a luminous housing for a lighting fixture

14. D500882 - Portion of a luminous housing for a lighting fixture

15. D498016 - Portion of a combined lighting fixture and hanger

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as of
9/10/2025
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