Growing community of inventors

Los Altos, CA, United States of America

Roger F Cherng-Chyi

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 = 66

Roger F Cherng-Chyi ↔ Deborah M Lidgate (1 patent)Roger F Cherng-ChyiRoger F Cherng-Chyi (1 patent)Deborah M LidgateDeborah M Lidgate (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Syntex (u.s.a.) Inc. (1 from 932 patents)


1 patent:

1. 5110493 - Ophthalmic NSAID formulations containing a quaternary ammonium

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12/9/2025
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