Growing community of inventors

Macedonia, OH, United States of America

Mark S Holtman

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 = 40

Mark S Holtman ↔ Henry C Stevens (1 patent)Mark S Holtman ↔ Edward J Sare (1 patent)Mark S HoltmanMark S Holtman (1 patent)Henry C StevensHenry C Stevens (11 patents)Edward J SareEdward J Sare (11 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ppg Industries, Inc. (1 from 2,825 patents)


1 patent:

1. 4360653 - Polymerizate of (allyl carbonate) and aliphatic polyurethane having

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12/18/2025
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