Growing community of inventors

Mainz, Germany

Richard S Duff

Average Co-Inventor Count = 2.47

ph-index = 7

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 = 649

Richard S DuffFlorian Theis (6 patents)Richard S DuffRobert T Burns (4 patents)Richard S DuffLele Zhang (1 patent)Richard S DuffRichard S Duff (7 patents)Florian TheisFlorian Theis (15 patents)Robert T BurnsRobert T Burns (17 patents)Lele ZhangLele Zhang (20 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gm Global Technolgoy Operations, Inc. (7 from 31,085 patents)


7 patents:

1. D950794 - Vehicle headlamp

2. D950795 - Vehicle headlamp

3. D950797 - Vehicle taillamp

4. D950798 - Vehicle taillamp

5. D950799 - Vehicle taillamp

6. D950800 - Vehicle taillamp

7. D730786 - Vehicle upper grille

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as of
1/18/2026
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