Growing community of inventors

Granville, OH, United States of America

Mark Frederick Keller

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 30

Mark Frederick KellerJohn C McCartney (2 patents)Mark Frederick KellerJack Leighton Ries, Ii (2 patents)Mark Frederick KellerMark Frederick Keller (2 patents)John C McCartneyJohn C McCartney (11 patents)Jack Leighton Ries, IiJack Leighton Ries, Ii (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nsi Enterprises, Inc. (1 from 76 patents)

2. Holophane (1 from 33 patents)


2 patents:

1. 6175487 - Luminaire assembly

2. D418938 - Suspended luminaire

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idiyas.com
as of
12/31/2025
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