Growing community of inventors

Midland, MI, United States of America

Donald A Werkema

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 = 3

Donald A Werkema ↔ Do I Lee (1 patent)Donald A Werkema ↔ Richard A Willency (1 patent)Donald A WerkemaDonald A Werkema (1 patent)Do I LeeDo I Lee (27 patents)Richard A WillencyRichard A Willency (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Dow Chemical Company (1 from 7,680 patents)


1 patent:

1. 4575477 - Coatings and coated papers for gravure printing

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12/7/2025
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