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LI YAN

Overview
  • Total Patents
    570
  • GoodIP Patent Rank
    3,812
  • Filing trend
    ⇧ 52.0%
About

LI YAN has a total of 570 patent applications. It increased the IP activity by 52.0%. Its first patent ever was published in 1991. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets pharmaceuticals, computer technology and digital networks are HUANG JIANMIN, LIU XIAN and CHEN BIN.

Patent filings in countries

World map showing LI YANs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Yan 536
#2 Fang Hongyan 10
#3 Chen Keyi 9
#4 Zhao Mengyao 9
#5 Tong Yongqing 8
#6 Li Ye 7
#7 Qi Jia 5
#8 Zhao Xuefang 5
#9 Yan Li 5
#10 Li Xia 5

Latest patents

Publication Filing date Title
CN112206293A Pure traditional Chinese medicine watered pill for relieving cough and asthma
CN112190685A Pure traditional Chinese medicine watered pill for enhancing resistance and immunity
CN112245547A Honey water pills capable of tonifying kidney, strengthening waist and strengthening brain
CN112240439A Pipeline conveying structure for nitrogen extraction
CN112263666A Process for preparing Chinese medicine water-bindered pill and decoction with special effect for reducing weight
CN112258639A Skull correction information acquisition method, storage medium and electronic device
CN112270743A Skull six-visual reference plane determination method and device, storage medium and electronic equipment
CN112258492A Skull asymmetric information acquisition method, storage medium and electronic device
CN112270705A Skull slicing method, storage medium and electronic device
CN112288797A Skull correction scheme generation system, construction method, acquisition method and device
CN112258640A Skull model establishing method and device, storage medium and electronic equipment
CN112288725A Skull center axis perpendicular line determination method and device, storage medium and electronic equipment
CN112288858A Human skeleton modeling method, storage medium, and electronic device
CN112258638A Human body model modeling method and device, storage medium and electronic equipment
CN112224651A Repeated opening and closing bacterium isolation liquid packaging device for food packaging
CN112190447A Walking auxiliary device is used in recovered branch of academic or vocational study nursing
CN112089566A Auxiliary menstruation-vagina delivery device convenient for obstetrical delivery room
CN112266093A Integrated water-saving full-house water purifying equipment
CN112121549A VOC exhaust pollution treatment system
CN112058017A Clinical air antiseptic solution mixing stirring device that uses of traditional chinese and western medicine internal medicine