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CHINA TOBACCO HUNAN IND CORP

Overview
  • Total Patents
    55
About

CHINA TOBACCO HUNAN IND CORP has a total of 55 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China and EPO (European Patent Office). Its main competitors in its focus markets consumer goods, chemical engineering and packaging and shipping are CHANGSHA CIGARETTE FACTORY, YASENCHUK PAVEL D and SHISHKO IVAN.

Patent filings in countries

World map showing CHINA TOBACCO HUNAN IND CORPs patent filings in countries
# Country Total Patents
#1 China 52
#2 EPO (European Patent Office) 3

Patent filings per year

Chart showing CHINA TOBACCO HUNAN IND CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Donghong Yin 14
#2 Jianfu Liu 13
#3 Yong Jin 10
#4 Huawu Yang 9
#5 Shitai Wang 8
#6 Hongmei Fan 8
#7 Xinliang Tan 8
#8 Ke Li 8
#9 Haifeng Tan 7
#10 Kejun Zhong 7

Latest patents

Publication Filing date Title
CN102023140A Method for measuring 1-2 propylene glycol content by using near infrared ray (NIR) technology
CN101904558A Preparation method of rolled tobacco sheet
CN101904556A Tobacco stalk pretreatment process
CN101711604A Tar and harm reducing cellulose balls for cigarette filter tip and preparation thereof
CN101711603A Composite filter tip of cigarette and preparation process thereof
CN101566535A Smoking machine-mainstream flue gas cold trap integrated device and using method thereof
CN101464241A Method for measuring additional fiber content in reconstituted tobacco by papermaking method
CN101435176A Cigarette paper for reducing harmful substance contents of carbon monoxide, oxynitride and phenols in cigarette smoke gas and preparation thereof
CN101433367A Foaming thin sheet for cigarette and preparation method thereof
CN101433371A Papery filter tip for reducing aldehydes material in smoke of cigarette and preparation method thereof
CN101408014A Acetate fiber coating paper and paper filter stick for preparing cigarette filter stick and preparing method thereof
CN101408012A Paper and filter stick of paper filter stick for reducing phenols material in cigarette smoke and preparing method thereof
CN101363206A Coating for reducing carbon monoxide and injurants in smoke
CN101363205A Molding paper coating for reducing injurants CO, NOx in cigarette smoke
CN101354330A Continuous extraction analysis method of tobacco chemistry ingredient dissolvant
CN101297715A Additive agent for reducing aldehydes matter content in cigarette flue gas, production method and application thereof
CN101279898A Synthetic method of p-[1-(4-methoxyphenyl)-1- methyl ethyl] calyx[8] arene
CN101245249A Technique for generating abandon material and treating refuse in tobacco process
CN101251471A Method for searching analog tobacco leaf based on tobacco leaf near infrared spectra
CN101251523A Analog tobacco leaf searching method based on tobacco leaf chemical composition