For the Inventor, By the Inventor

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Beijing Guo Cheng Wan Tong Information Technology Co., Ltd

USPTO Granted Patents = 2

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

Cheng Guo (2 out of 12 patents)

Rongsheng Dong (1 out of 2 patents)

Zuyong Xie (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 10725147 - Positioning light beam emission system, method and indoor positioning system (2020-07-28),

2. 9497575 - First device, system and method to communicate with second device (2016-11-15),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#769 in Beijing

#10,046 in China

Beijing Guo Cheng Wan Tong Information Technology Co., Ltd

Forward Citations = 1

3 inventors:

Cheng Guo (2 out of 12 patents)

Rongsheng Dong (1 out of 2 patents)

Zuyong Xie (1 out of 2 patents)

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