Growing community of inventors

Corvallis, OR, United States of America

John M Koelger

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 = 25

John M KoelgerP Guy Howard (2 patents)John M KoelgerJohn M Koelger (2 patents)P Guy HowardP Guy Howard (28 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,718 patents)

2. Hewlett-packard Development Company, L.p. (1 from 27,404 patents)


2 patents:

1. 7423366 - Lamp assembly

2. 7358657 - Lamp assembly

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as of
12/9/2025
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