Growing community of inventors

Cary, NC, United States of America

Doug Hilliard

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 6

Doug HilliardAparna Sproelich (1 patent)Doug HilliardDavid W Rawls (1 patent)Doug HilliardDoug Hilliard (1 patent)Aparna SproelichAparna Sproelich (6 patents)David W RawlsDavid W Rawls (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Johnson Electric S.a. (1 from 513 patents)


1 patent:

1. 8072317 - Haptic solenoid system

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as of
12/24/2025
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