Growing community of inventors

New Martinsville, WV, United States of America

Eric C Ma

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 = 14

Eric C Ma ↔ James N Rieck (1 patent)Eric C MaEric C Ma (1 patent)James N RieckJames N Rieck (8 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mobay Chemical Corporation (1 from 191 patents)


1 patent:

1. 4490302 - Liquid diphenylmethane diisocyanate compositions

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12/6/2025
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