Learn more

LI YIFAN

Overview
  • Total Patents
    85
  • GoodIP Patent Rank
    30,658
About

LI YIFAN has a total of 85 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, electrical machinery and energy and measurement are SINOCHEM SHANDONG FERTILIZER CO LTD, ANALYSIS & TESTING CT CATAS and TIANJIN LUYANG CHEMICAL CO LTD.

Patent filings in countries

World map showing LI YIFANs patent filings in countries
# Country Total Patents
#1 China 85

Patent filings per year

Chart showing LI YIFANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yifan 85
#2 Kang Mei 2
#3 Li Xiaohua 2
#4 Shi Lanlan 1
#5 Kang Wei 1
#6 Wang Xumin 1
#7 Duan Yuanqing 1

Latest patents

Publication Filing date Title
CN111043541A LED small desk lamp with fan
CN111120947A LED small night lamp
CN111120933A LED ceiling lamp with fan
CN111050031A LED lamp surveillance camera head
CN111043542A Outdoor LED lamp lighting device
CN111120946A LED emergency light with smog is reported to police
CN111043553A Outdoor foldable multi-functional LED table lamp
CN111043552A Anti-damage LED street lamp
CN108653877A Infusion warning device with double-reminding function
CN108459671A A kind of double-screen notebook
CN108392190A A kind of tracking bracelet for indoor positioning navigation
CN108617538A It is a kind of to drive necklace and positioning navigation method for what is herded
CN108409075A A kind of oil base drilling wastes supercritical fluid extraction separating treatment system and method
CN106730546A Fire-fighting belting based on grafting
CN107778046A A kind of nutritious sugarcane formula of liquid
CN107778059A A kind of cucumber nutrient solution formula
CN107778062A A kind of grape nutrient solution prescription
CN107778043A A kind of pimento nutrient solution prescription
CN107778042A A kind of vegetables with green leaves nutrient solution prescription
CN107778065A A kind of strawberry nutrition formula of liquid