Liwei LI

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Kunming, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for testing burning performance of dark-colored cigarette us...
- Patent number 11,974,595
- Issue date May 7, 2024
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han Zheng
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Device for forming a multi-flavor composite structure filter rod in...
- Patent number 11,812,779
- Issue date Nov 14, 2023
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Baoshan Yue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Device and method for detecting cigarette fly ash by gray-scale dif...
- Patent number 11,670,007
- Issue date Jun 6, 2023
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han Zheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Robotic arm for simulating cigarette smoking process
- Patent number 11,445,746
- Issue date Sep 20, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han Zheng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Smoking path simulation system based on robotic arm
- Patent number 11,412,776
- Issue date Aug 16, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han Zheng
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TESTING BURNING PERFORMANCE OF DARK-COLORED CIGARETTE US...
- Publication number 20240081390
- Publication date Mar 14, 2024
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han ZHENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE FOR FORMING A MULTI-FLAVOR COMPOSITE STRUCTURE FILTER ROD IN...
- Publication number 20230320411
- Publication date Oct 12, 2023
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Baoshan YUE
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
DEVICE AND METHOD FOR DETECTING CIGARETTE FLY ASH BY GRAY-SCALE DIF...
- Publication number 20220358682
- Publication date Nov 10, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han ZHENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ROBOTIC ARM FOR SIMULATING CIGARETTE SMOKING PROCESS AND SMOKING EN...
- Publication number 20220202066
- Publication date Jun 30, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han ZHENG
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
SMOKING PATH SIMULATION SYSTEM BASED ON ROBOTIC ARM
- Publication number 20220142232
- Publication date May 12, 2022
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han ZHENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE