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China Tobacco Yunnan Industrial Co., Ltd

USPTO Granted Patents = 57

CIPO Patents = 2

EPO Patents = 54

Forward Citations = 68

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164 inventors (with patents filed for the assignee):

Yongkuan Chen (24 out of 24 patents)

Shanzhai Shang (17 out of 17 patents)

Ping Lei (17 out of 17 patents)

4. Jingmei Han (16 out of 16 patents)

5. Zhiqiang Li (16 out of 16 patents)

6. Chengya Wang (15 out of 15 patents)

7. Shoubo Li (14 out of 14 patents)

8. Ru Wang (14 out of 14 patents)

9. Dalin Yuan (14 out of 14 patents)

10. Yi Han (13 out of 13 patents)

11. Xu Zeng (13 out of 13 patents)

12. Xiaowei Gong (12 out of 12 patents)

13. Tinghua Li (12 out of 12 patents)

14. Donglai Zhu (12 out of 12 patents)

15. Xia Zhang (12 out of 12 patents)

Core Competencies:

Tobacco Heating Device

Cigarette Composition Analysis

Cigarette Burning Quality

Multi-Flavor Composite Filter

Electronic Cigarette Technology

Robotic Smoking Simulation

Atomization Techniques

Cigarette Quality Detection

Non-Sticking Tipping Paper

Magnetic Drive Pumping Apparatus

Surface Acoustic Wave Technology

Cigarette Packaging Innovations

57 patents: Sort by Forward Citations

1. 12459280 - Method for improving glossiness and ink color fastness of printed color films and its application thereof (2025-11-04),

2. 12458061 - Automatically resettable tobacco heating device (2025-11-04),

3. 12347529 - Method of analyzing the composition of cigarette leaf groups based on fusion mapping (2025-07-01),

4. 12340501 - Method for evaluating the possibility of a cigarette burning cone to fall off (2025-06-24),

5. 12131893 - Method of identifying tobacco carbonyl components using non-targeted mass spectrometry (2024-10-29),

6. 12011031 - Device for removing stems in a cigarette making process and a method for removing the stems (2024-06-18),

7. 12011030 - Method for evaluating cigarette burning quality indicators (2024-06-18),

8. 11974595 - Method for testing burning performance of dark-colored cigarette using dark-colored cigarette paper (2024-05-07),

9. 11950624 - Test system and test method for lip sticking force of tipping paper for cigarettes (2024-04-09),

10. 11944116 - Device and method for removing unwanted objects from cut tobacco in a cut tobacco production line (2024-04-02),

11. 11932478 - Method for manufacturing and packaging special-shaped cigarette (2024-03-19),

12. 11899398 - Collapsible pyramid holographic projection imager and packaging box including same (2024-02-13),

13. 11849755 - Stem screening and conditioning device and method of using the same (2023-12-26),

14. 11812779 - Device for forming a multi-flavor composite structure filter rod in one step and a method thereof using the device (2023-11-14),

15. 11781968 - Device for cigarette tipping paper anti-adhesion test and its application method (2023-10-10),

China Tobacco Yunnan Industrial Co., Ltd (Yunnan Tobacco) is a subsidiary of China National Tobacco Corporation, the largest tobacco company in the world. Yunnan Tobacco specializes in the production, sales, and distribution of tobacco products. With a focus on quality and innovation, the company offers a wide range of cigarettes and tobacco-related items. Yunnan Tobacco is committed to sustainable development and adheres to strict quality control standards. For more information, please visit their official website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

57 Patents

#2 in Kunming

#521 in China

#12,264 in the World

China Tobacco Yunnan Industrial Co., Ltd

Forward Citations = 68

164 inventors:

Yongkuan Chen (24 out of 24 patents)

Shanzhai Shang (17 out of 17 patents)

Ping Lei (17 out of 17 patents)

4. Jingmei Han (16 out of 16 patents)

5. Zhiqiang Li (16 out of 16 patents)

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