Growing community of inventors

Commerce, MI, United States of America

Robert Chapman

Average Co-Inventor Count = 2.00

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 = 3

Robert Chapman ↔ David Toppenberg (1 patent)Robert ChapmanRobert Chapman (1 patent)David ToppenbergDavid Toppenberg (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ford Global Technolgoies, LLC (1 from 25,901 patents)


1 patent:

1. 10486532 - Removable vehicle control

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as of
12/5/2025
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