For the Inventor, By the Inventor

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Zhengzhou, China

Hanwei Electronics Group Corporation

USPTO Granted Patents = 1

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Dong Li (1 out of 2 patents)

Zhigang Li (1 out of 1 patent)

Haiyong Chen (1 out of 1 patent)

4. Guofeng Zheng (1 out of 1 patent)

5. Hongjun Ren (1 out of 1 patent)

6. Chuanwei Wu (1 out of 1 patent)

7. Qingyong Yang (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 12399108 - Long-path gas absorption cell optical system (2025-08-26),

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#37 in Zhengzhou

#16,038 in China

Zhengzhou, China

Hanwei Electronics Group Corporation

Forward Citations = 0

7 inventors:

Dong Li (1 out of 2 patents)

Zhigang Li (1 out of 1 patent)

Haiyong Chen (1 out of 1 patent)

4. Guofeng Zheng (1 out of 1 patent)

5. Hongjun Ren (1 out of 1 patent)

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