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Boulder, CO, United States of America

John Charles Alderson

Average Co-Inventor Count = 3.00

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 = 8

John Charles AldersonRobert M Hofland (1 patent)John Charles AldersonRichard A Lamos (1 patent)John Charles AldersonJohn Charles Alderson (1 patent)Robert M HoflandRobert M Hofland (12 patents)Richard A LamosRichard A Lamos (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (1 from 164,173 patents)


1 patent:

1. D248400 - Collator for use with an electrophotographic apparatus or the like

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as of
12/19/2025
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