Growing community of inventors

Omaha, NE, United States of America

Cheryl A Kotan

Average Co-Inventor Count = 4.00

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 = 33

Cheryl A KotanJames Robert Lewis (2 patents)Cheryl A KotanWallace J Sadowski (2 patents)Cheryl A KotanPatrick Michael Commarford (2 patents)Cheryl A KotanCheryl A Kotan (2 patents)James Robert LewisJames Robert Lewis (94 patents)Wallace J SadowskiWallace J Sadowski (10 patents)Patrick Michael CommarfordPatrick Michael Commarford (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (2 from 164,219 patents)


2 patents:

1. 8136026 - Help option enhancement for interactive voice response systems

2. 7490286 - Help option enhancement for interactive voice response systems

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1/5/2026
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