Growing community of inventors

San Mateo, CA, United States of America

David Berard Smith

Average Co-Inventor Count = 3.43

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 = 5

David Berard Smith ↔ Denis John Kertesz (2 patents)David Berard Smith ↔ Leyi Gong (1 patent)David Berard Smith ↔ Robert Stephen Wilhelm (1 patent)David Berard Smith ↔ Donald Roy Hirschfeld (1 patent)David Berard SmithDavid Berard Smith (2 patents)Denis John KerteszDenis John Kertesz (29 patents)Leyi GongLeyi Gong (19 patents)Robert Stephen WilhelmRobert Stephen Wilhelm (13 patents)Donald Roy HirschfeldDonald Roy Hirschfeld (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Syntex (u.s.a.) Inc. (2 from 932 patents)


2 patents:

1. 6342509 - Piperidine quaternary salts- CCR- 3 receptor antagonists

2. 6140344 - 4-aroylpiperidine derivatives-CCR-3 receptor antagonists

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as of
1/21/2026
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