For the Inventor, By the Inventor

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China Tobacco Sichuan Industrial Co., Ltd.

USPTO Granted Patents = 2

EPO Patents = 1

Trademarks = 6

Forward Citations = 0

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19 inventors (with patents filed for the assignee):

Yufeng Sun (2 out of 2 patents)

Kai Liu (1 out of 6 patents)

Yong Deng (1 out of 4 patents)

4. Xiang Fei (1 out of 1 patent)

5. Jiang Wu (1 out of 1 patent)

6. Jin Ma (1 out of 1 patent)

7. Rengang Zhang (1 out of 1 patent)

8. Kuan Dai (1 out of 1 patent)

9. Yi Bao (1 out of 1 patent)

10. Bengang Yang (1 out of 1 patent)

11. Jin Han (1 out of 1 patent)

12. Hongbo Shu (1 out of 1 patent)

13. Donglin Han (1 out of 1 patent)

14. Ya Dai (1 out of 1 patent)

15. Deqing Zhao (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 11304442 - Smoke generation product and manufacturing method therefor (2022-04-19),

2. 9675104 - Cigarette paper additive having harm reduction function and application thereof (2017-06-13),

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#36 in Sichuan

#9,949 in China

China Tobacco Sichuan Industrial Co., Ltd.

Forward Citations = 0

19 inventors:

Yufeng Sun (2 out of 2 patents)

Kai Liu (1 out of 6 patents)

Yong Deng (1 out of 4 patents)

4. Xiang Fei (1 out of 1 patent)

5. Jiang Wu (1 out of 1 patent)

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