Learn more

YUNHAN CORP

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    97,443
  • Filing trend
    ⇩ 60.0%
About

YUNHAN CORP has a total of 17 patent applications. It decreased the IP activity by 60.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, control and medical technology are NANJING MENGHE ELECTRONIC TECH CO LTD, REMA ENVIRONMENTAL PROTECTION TECH JIANGSU CO LTD and ANHUI ZHENGTIAN ENERGY TECH CO LTD.

Patent filings in countries

World map showing YUNHAN CORPs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing YUNHAN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hao Guoqiang 11
#2 Cheng Shasha 4
#3 Wei Liming 4
#4 Liu Jinliang 2
#5 Zhang Ruming 2
#6 Zhen Ju 2
#7 Zhou Chao 2

Latest patents

Publication Filing date Title
CN109825383A Car engine lubrication system greasy filth exempts to tear cleaning compositions and preparation method and application open
CN109810800A Expelling water light self-emulsifying composition
CN109777665A In-cylinder direct fuel-injection engine inlet valve exempts to tear cleaning compositions and method open
CN111077812A Intelligent electronic filter element for vehicle
CN109181890A One kind is exempted to wipe car washing liquid and preparation method thereof
CN107541320A A kind of antiwear and reducing friction type graphene lubricating system additive and preparation method thereof
CN107446673A A kind of automatic start-stop special-purpose protecting agent and preparation method thereof
CN107384336A A kind of automobile using long-acting liquid coolant and preparation method thereof
CN107474744A A kind of automotive glass denudes agent and preparation method thereof
CN107323220A A kind of air quality cleanser in automobile
CN106381232A Antiwear type high-efficiency engine lubrication system cleaning agent and cleaning method
CN106368812A Cleaning process for automobile engine system and cleaning agent
CN106398838A Gearbox metal ceramic film repairing agent and use method thereof
CN106194389A The thermostatically-controlled equipment of a kind of engine coolant and control method thereof
CN106497632A A kind of multi-stage gear concentrates protectant using method
CN106381239A Eco-friendly automobile glass cleaning agent and preparation technology thereof
CN106283082A A kind of nontoxic automobile high grease soil detergent