Growing community of inventors

Westford, MA, United States of America

Stephen Longo

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 = 0

Stephen LongoCarlo Waldfried (1 patent)Stephen LongoParul Tyagi (1 patent)Stephen LongoStephen Longo (1 patent)Carlo WaldfriedCarlo Waldfried (32 patents)Parul TyagiParul Tyagi (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Entegris, Inc. (1 from 784 patents)


1 patent:

1. 12031212 - Yttrium fluoride films and methods of preparing and using yttrium fluoride films

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12/5/2025
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