Growing community of inventors

Longmont, CO, United States of America

Andrew D Keller

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 = 11

Andrew D KellerJeffrey Jay Miller (1 patent)Andrew D KellerLarry W Lykins (1 patent)Andrew D KellerPaul J Josephson (1 patent)Andrew D KellerCheryl A Goin (1 patent)Andrew D KellerPhilip D Ballard (1 patent)Andrew D KellerAndrew D Keller (1 patent)Jeffrey Jay MillerJeffrey Jay Miller (4 patents)Larry W LykinsLarry W Lykins (3 patents)Paul J JosephsonPaul J Josephson (2 patents)Cheryl A GoinCheryl A Goin (2 patents)Philip D BallardPhilip D Ballard (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (1 from 164,275 patents)


1 patent:

1. 4502514 - Toner cartridge and method of replenishing toner to a xerographic device

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as of
1/19/2026
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