For the Inventor, By the Inventor

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Suzhou Beiang Technology Ltd.

USPTO Granted Patents = 4

EPO Patents = 1

Trademarks = 4

Forward Citations = 2

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6 inventors (with patents filed for the assignee):

Yigang Liu (4 out of 10 patents)

Hongyu Ran (4 out of 12 patents)

Yaoyuan Lu (2 out of 8 patents)

4. Yan Zhang (1 out of 8 patents)

5. Xianghui Gao (1 out of 1 patent)

6. Zhaofeng Wei (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12179218 - Easy-to-clean separable purification core (2024-12-31),

2. 11618041 - Base body and dust collector (2023-04-04),

3. 9868123 - Purification and variable frequency system and method (2018-01-16),

4. 9735568 - Ionic wind purifier and discharge monitoring and protective circuit of high-voltage ion purifier (2017-08-15),

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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#116 in Suzhou

#5,549 in China

Suzhou Beiang Technology Ltd.

Forward Citations = 2

6 inventors:

Yigang Liu (4 out of 10 patents)

Hongyu Ran (4 out of 12 patents)

Yaoyuan Lu (2 out of 8 patents)

4. Yan Zhang (1 out of 8 patents)

5. Xianghui Gao (1 out of 1 patent)

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