Growing community of inventors

Beijing, China

Chang Sun

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 = 0

Chang SunNingning Hu (2 patents)Chang SunLei Cao (2 patents)Chang SunChang Sun (2 patents)Ningning HuNingning Hu (14 patents)Lei CaoLei Cao (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Conviva Inc. (2 from 79 patents)


2 patents:

1. 12155709 - Asset metadata service

2. 11838343 - Asset metadata service

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as of
1/8/2026
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