For the Inventor, By the Inventor

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Shanghai, China

Sino-Telecom Technology Co., Inc.

USPTO Granted Patents = 3

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Lei Hou (3 out of 3 patents)

Zhiyuan Wu (3 out of 3 patents)

Hu Xie (3 out of 3 patents)

4. Lin Nan Li (3 out of 16 patents)

3 patents: Sort by Forward Citations

1. 11431407 - Hardware-based protection group switching method and optical communication equipment (2022-08-30),

2. 10979138 - Protection group superposition switching method, control apparatus, and optical communication device (2021-04-13),

3. 10972309 - Method and device for automatically discovering cross-node service topology on transoceanic multiple section shared protection ring (2021-04-06),

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#559 in Shanghai

#7,260 in China

Shanghai, China

Sino-Telecom Technology Co., Inc.

Forward Citations = 0

4 inventors:

Lei Hou (3 out of 3 patents)

Zhiyuan Wu (3 out of 3 patents)

Hu Xie (3 out of 3 patents)

4. Lin Nan Li (3 out of 16 patents)

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