Growing community of inventors

San Diego, CA, United States of America

John A Graham

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 = 48

John A Graham ↔ Kenneth A Beckman (1 patent)John A GrahamJohn A Graham (1 patent)Kenneth A BeckmanKenneth A Beckman (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ivac Corporation (1 from 120 patents)


1 patent:

1. 4900162 - Infrared thermometry system and method

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as of
12/17/2025
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