Growing community of inventors

Penfield, NY, United States of America

John H Shafer

Average Co-Inventor Count = 4.00

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 = 37

John H Shafer ↔ John J Meyers (1 patent)John H Shafer ↔ Frank T Smith (1 patent)John H Shafer ↔ Gerald E Blair (1 patent)John H ShaferJohn H Shafer (1 patent)John J MeyersJohn J Meyers (10 patents)Frank T SmithFrank T Smith (9 patents)Gerald E BlairGerald E Blair (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eastman-Kodak Company (1 from 21,597 patents)


1 patent:

1. 4139677 - Method of molding glass elements and element made

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1/20/2026
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