Growing community of inventors

Topsfield, MA, United States of America

Dennis G Johnson

Average Co-Inventor Count = 4.99

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 = 4

Dennis G Johnson ↔ Mark W Baldwin (2 patents)Dennis G Johnson ↔ Mario A Davenport (2 patents)Dennis G Johnson ↔ Thomas C Meier (2 patents)Dennis G Johnson ↔ Daniel J Rebecca (2 patents)Dennis G Johnson ↔ George H Kormanos (2 patents)Dennis G Johnson ↔ Lac V Nguyen (2 patents)Dennis G Johnson ↔ John G Petersen (1 patent)Dennis G Johnson ↔ Dwight B Schoenherr (1 patent)Dennis G Johnson ↔ Zachary A Schaefer (1 patent)Dennis G JohnsonDennis G Johnson (3 patents)Mark W BaldwinMark W Baldwin (66 patents)Mario A DavenportMario A Davenport (23 patents)Thomas C MeierThomas C Meier (13 patents)Daniel J RebeccaDaniel J Rebecca (2 patents)George H KormanosGeorge H Kormanos (2 patents)Lac V NguyenLac V Nguyen (2 patents)John G PetersenJohn G Petersen (17 patents)Dwight B SchoenherrDwight B Schoenherr (6 patents)Zachary A SchaeferZachary A Schaefer (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. 3m Innovative Properties Company (3 from 14,084 patents)


3 patents:

1. D864510 - Cleaning tool

2. D862821 - Cleaning tool

3. D834912 - Sanding tool

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as of
12/30/2025
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