Growing community of inventors

Zirndorf, Germany

Ralph Fey

Average Co-Inventor Count = 2.62

ph-index = 3

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 = 22

Ralph FeyZdzislaw Sobieski (7 patents)Ralph FeyKarsten Mueller (5 patents)Ralph FeyRalph Fey (7 patents)Zdzislaw SobieskiZdzislaw Sobieski (7 patents)Karsten MuellerKarsten Mueller (16 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lear Corporation (7 from 2,349 patents)


7 patents:

1. 9561742 - Movable head restraints for vehicle seats

2. 9061614 - Height adjustable head restraints for vehicle seats

3. 8833860 - Movable head restraints for vehicle seats

4. 8714650 - Seat assembly having a moveable head restraint assembly

5. 8657380 - Seat assembly having a moveable headrest assembly

6. 8641148 - Movable head restraints for vehicle seats

7. 8146997 - Seat assembly having a movable head restraint

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as of
12/14/2025
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