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Harrodsburg, KY, United States of America

Stephen A Popyach

Average Co-Inventor Count = 4.00

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

Stephen A PopyachHugh T Findlay (2 patents)Stephen A PopyachDeh C Tao (2 patents)Stephen A PopyachClifford M Denny (1 patent)Stephen A PopyachJulie F Evans (1 patent)Stephen A PopyachStephen A Popyach (2 patents)Hugh T FindlayHugh T Findlay (9 patents)Deh C TaoDeh C Tao (4 patents)Clifford M DennyClifford M Denny (5 patents)Julie F EvansJulie F Evans (1 patent)
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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 (2 from 164,197 patents)


2 patents:

1. 4762431 - Modified thermal printing using a heated roller and with lift-off

2. 4504840 - Thermal printing with ink replenishment

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12/27/2025
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