Growing community of inventors

Portage, MI, United States of America

Matthew P Johnson

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 = 18

Matthew P JohnsonThomas Connolly (1 patent)Matthew P JohnsonGeorge A Brunemann (1 patent)Matthew P JohnsonMatthew P Johnson (1 patent)Thomas ConnollyThomas Connolly (43 patents)George A BrunemannGeorge A Brunemann (15 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Eaton Corporation (1 from 5,989 patents)


1 patent:

1. 8738256 - Automatic calibration of the torque transfer touch point in an electrically actuated clutch in a hybrid vehicle

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12/9/2025
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