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CHINA TOBACCO YUNNAN IND CO LTD

Overview
  • Total Patents
    2,255
  • GoodIP Patent Rank
    705
  • Filing trend
    ⇧ 23.0%
About

CHINA TOBACCO YUNNAN IND CO LTD has a total of 2,255 patent applications. It increased the IP activity by 23.0%. Its first patent ever was published in 2011. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets consumer goods, measurement and basic materials chemistry are CHONGQING CHINA TOBACCO IND CO LTD, CHINA TOBACCO GUANGDONG IND CO and SHANGHAI TOBACCO GROUP CO LTD.

Patent filings per year

Chart showing CHINA TOBACCO YUNNAN IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Yongkuan 499
#2 Yang Guangyu 428
#3 Liu Zhihua 417
#4 Liu Chunbo 387
#5 Li Xuemei 364
#6 He Pei 340
#7 Shen Qinpeng 339
#8 Tang Jianguo 338
#9 Shang Shanzhai 313
#10 Lei Ping 308

Latest patents

Publication Filing date Title
CN112280617A Clathrate compound of column [5] arene and anethole, preparation method and application thereof
CN112273704A Recovered tobacco shred impurity removal device and method for removing impurities from recovered tobacco shreds
CN112263016A Solid gel cigarette rod, preparation method thereof and cigarette comprising solid gel cigarette rod
CN112263017A Smoking segment for increasing cigarette resistance and smoke amount, cigarette, application and using method
CN112237295A High-liquid-holding-capacity transparent solid tobacco tar and preparation method thereof
CN112281541A Environment-friendly water-based adhesive, and preparation method and application thereof
CN112198094A Method for measuring adhesive lip force of cigarette tipping paper according to contact angle
CN112261743A Ni-based thick film heating element for in-situ generation of alumina insulating layer and preparation method thereof
CN112122152A Cigarette circumferential surface off-line appearance quality detection device and method
CN112107032A Heating non-combustion smoking set with detachable components and cleaning method thereof
CN112089089A Device and method for removing light slices in cut stems by using guide plate
CN112089090A Device and method for separating light and thin flaky cut stems by using material throwing roller
CN112056634A Method for controlling electric heating smoking set to heat cigarettes
CN112216422A High-insulation low-thermal expansion coefficient medium slurry and preparation method and application thereof
CN112067831A Automatic cigarette fly ash quantity quantitative analysis detection device and detection method
CN112082935A Cigarette ejection force detection device, detection method and calibration method of cigarette ejection unit
CN112143660A Kluyveromyces lactis and separation and culture method thereof
CN112027258A Filling equipment and filling method for split type strip box for cigarettes
WO2021073425A1 Airtight heating tobacco rod
WO2021077998A1 Airtight heating smoking device having cigarette locking apparatus, and cigarette system