Growing community of inventors

Edgerton, WI, United States of America

Mark J Johnson

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 24

Mark J Johnson ↔ Timothy R Greve (5 patents)Mark J Johnson ↔ Jeffrey G Cimarrusti (2 patents)Mark J Johnson ↔ Gregory K Farnham (1 patent)Mark J JohnsonMark J Johnson (5 patents)Timothy R GreveTimothy R Greve (6 patents)Jeffrey G CimarrustiJeffrey G Cimarrusti (2 patents)Gregory K FarnhamGregory K Farnham (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zenith Cutter, Inc. (5 from 6 patents)


5 patents:

1. 10350776 - Cutoff knife serration

2. D791205 - Serrated male slot knife

3. D791206 - Serrated male slot knife

4. D772316 - Knife assembly

5. D772317 - Knife insert

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as of
1/9/2026
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