Growing community of inventors

Shenzhen, China

Channing Chang

Average Co-Inventor Count = 2.00

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

Channing ChangTomy Cai (1 patent)Channing ChangChanning Chang (1 patent)Tomy CaiTomy Cai (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Vtech Telecommunications Limited (1 from 90 patents)


1 patent:

1. 11758089 - Video communications apparatus and method

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12/16/2025
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