Growing community of inventors

Nanshan, China

Xin Yu Yan

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 = 5

Xin Yu YanSiu Bun Chan (1 patent)Xin Yu YanHong Bin Liang (1 patent)Xin Yu YanXin Yu Yan (1 patent)Siu Bun ChanSiu Bun Chan (7 patents)Hong Bin LiangHong Bin Liang (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Altobridge Limited (1 from 8 patents)


1 patent:

1. 8472946 - Open to all prepaid roaming systems and methods

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12/14/2025
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