Growing community of inventors

Corvallis, OR, United States of America

John Hellgeth

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 = 1

John Hellgeth ↔ Scott A Lerner (1 patent)John Hellgeth ↔ Anurag Gupta (1 patent)John Hellgeth ↔ P Guy Howard (1 patent)John Hellgeth ↔ Kuohua Wu (1 patent)John Hellgeth ↔ Terry Piper (1 patent)John HellgethJohn Hellgeth (1 patent)Scott A LernerScott A Lerner (52 patents)Anurag GuptaAnurag Gupta (47 patents)P Guy HowardP Guy Howard (28 patents)Kuohua WuKuohua Wu (12 patents)Terry PiperTerry Piper (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hewlett-Packard Development Company, L.p. (1 from 27,442 patents)


1 patent:

1. 7295293 - Apparatus and method for testing a reflector coating

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as of
1/18/2026
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