Growing community of inventors

Guangdong, China

Changchun Yi

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 = 7

Changchun YiQimeng He (2 patents)Changchun YiTiejun Wu (2 patents)Changchun YiChangchun Yi (2 patents)Qimeng HeQimeng He (4 patents)Tiejun WuTiejun Wu (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shenzhen Signcomplex Science & Technology Co., Limited (2 from 3 patents)


2 patents:

1. D919157 - Lamp

2. D919158 - Lamp

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idiyas.com
as of
1/14/2026
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