Growing community of inventors

Afton, MN, United States of America

John D Chang

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 = 16

John D Chang ↔ Forrest J Rouser (1 patent)John D Chang ↔ Mark E Reeves (1 patent)John D ChangJohn D Chang (1 patent)Forrest J RouserForrest J Rouser (13 patents)Mark E ReevesMark E Reeves (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (1 from 7,865 patents)


1 patent:

1. 5344177 - Ski base and running surface

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