Growing community of inventors

San Diego, CA, United States of America

Philip Wallis

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 = 20

Philip Wallis ↔ John Thompson (1 patent)Philip WallisPhilip Wallis (1 patent)John ThompsonJohn Thompson (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Parker Pen (benelux) B.v. (1 from 10 patents)


1 patent:

1. 4726845 - Hybrid marking instrument and writing ink composition

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as of
12/11/2025
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