Growing community of inventors

Warren, OH, United States of America

James M Drapcho

Average Co-Inventor Count = 6.00

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 = 21

James M Drapcho ↔ Edward M Bungo (1 patent)James M Drapcho ↔ Kenneth P Cope (1 patent)James M Drapcho ↔ Ronald Allen Baldwin (1 patent)James M Drapcho ↔ Melodee Ann Chapin (1 patent)James M Drapcho ↔ Ralph W Crouse (1 patent)James M DrapchoJames M Drapcho (1 patent)Edward M BungoEdward M Bungo (22 patents)Kenneth P CopeKenneth P Cope (6 patents)Ronald Allen BaldwinRonald Allen Baldwin (5 patents)Melodee Ann ChapinMelodee Ann Chapin (3 patents)Ralph W CrouseRalph W Crouse (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gm Global Technolgoy Operations, Inc. (1 from 30,963 patents)


1 patent:

1. 5087213 - Lamp socket

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as of
12/12/2025
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