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China Tobacco Hunan Industrial Co., Ltd.

USPTO Granted Patents = 56

EPO Patents = 50

Trademarks = 14

Forward Citations = 329

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51 inventors (with patents filed for the assignee):

Jianfu Liu (54 out of 54 patents)

Kejun Zhong (53 out of 53 patents)

Xinqiang Yin (53 out of 53 patents)

4. Jianhua Yi (52 out of 52 patents)

5. Xiaoyi Guo (50 out of 50 patents)

6. Wei Huang (47 out of 50 patents)

7. Yongquan Zhou (31 out of 31 patents)

8. Hong Yu (30 out of 31 patents)

9. Yuangang Dai (30 out of 31 patents)

10. Lizhou Shen (11 out of 11 patents)

11. Yang Wang (10 out of 12 patents)

12. Youlin He (6 out of 7 patents)

13. Chaoxiang Huang (6 out of 6 patents)

14. Chao Tan (6 out of 5 patents)

15. Xinliang Tan (5 out of 4 patents)

Core Competencies:

Electronic Cigarette

Ultrasonic Atomizer

Atomizing Core

Cooling Cigarette Filter

Water-Based Cigarette Liquid

Granular Tobacco Products

Atomization Circuit

High Efficiency Atomizer

Disposable Cigarette Cartridge

Molding Apparatus

Frequency Tracking Method

Liquid Leakage Prevention

56 patents: Sort by Forward Citations

1. 12465078 - Electronic cigarette atomizing core and atomizer (2025-11-11),

2. 12433322 - Water-based electronic cigarette liquid (2025-10-07),

3. 12420302 - Ultrasonic electronic cigarette atomizer (2025-09-23),

4. 12369627 - Ultrasonic atomizing sheet full-wave drive circuit and ultrasonic electronic cigarette (2025-07-29),

5. 12213536 - Electronic cigarette (2025-02-04),

6. 12213524 - Ultrasonic atomizer (2025-02-04),

7. 12213513 - Low-temperature smoking body and preparation method thereof (2025-02-04),

8. 12213512 - Abnormally-shaped tobacco granules and preparation method thereof, tobacco product and preparation method thereof (2025-02-04),

9. 12178255 - Atomizer for electronic cigarette (2024-12-31),

10. 12161166 - Electronic cigarette atomizer (2024-12-10),

11. 12150474 - Cooling cigarette filter and cigarette (2024-11-26),

12. 12137730 - Cooling cigarette filter and smoking product (2024-11-12),

13. 12133550 - Molding apparatus, cigarette filter rod and preparation method thereof (2024-11-05),

14. 12127586 - Electronic cigarette atomizing core and atomizer (2024-10-29),

15. 12096799 - Electronic cigarette atomizer and electronic cigarette (2024-09-24),

China Tobacco Hunan Industrial Co., Ltd. is a state-owned tobacco enterprise located in Hunan province, China. With a history of over 60 years, the company specializes in the production and sales of tobacco products. It operates several brands, including Dapai and Laoyeye, and offers a wide range of cigarettes, cigars, and other tobacco-related goods. China Tobacco Hunan Industrial Co., Ltd. is committed to upholding the highest standards of quality in its products and strives to meet the diverse preferences of its customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

56 Patents

#3 in Hunan

#519 in China

#12,351 in the World

China Tobacco Hunan Industrial Co., Ltd.

Forward Citations = 329

51 inventors:

Jianfu Liu (54 out of 54 patents)

Kejun Zhong (53 out of 53 patents)

Xinqiang Yin (53 out of 53 patents)

4. Jianhua Yi (52 out of 52 patents)

5. Xiaoyi Guo (50 out of 50 patents)

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