Growing community of inventors

Durham, NC, United States of America

John H Teoh

Average Co-Inventor Count = 5.00

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 = 0

John H TeohChing-Yun Chao (1 patent)John H TeohRandy Allan Rendahl (1 patent)John H TeohXin Ni (1 patent)John H TeohFrankie Kong (1 patent)John H TeohJohn H Teoh (1 patent)Ching-Yun ChaoChing-Yun Chao (95 patents)Randy Allan RendahlRandy Allan Rendahl (89 patents)Xin NiXin Ni (5 patents)Frankie KongFrankie Kong (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (1 from 164,197 patents)


1 patent:

1. 11853997 - Using quick response (QR) codes to collect recurring payments

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as of
12/25/2025
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