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LI WENYAN

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    177,645
  • Filing trend
    ⇩ 100.0%
About

LI WENYAN has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1999. It filed its patents most often in China and United States. Its main competitors in its focus markets medical technology, pharmaceuticals and computer technology are SHANGHAI DERMATOLOGY HOSPITAL, CHANGZHOU TCM HOSPITAL and SHANGHAI PUTUO DISTR CENTRAL HOSPITAL.

Patent filings in countries

World map showing LI WENYANs patent filings in countries
# Country Total Patents
#1 China 11
#2 United States 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Wenyan 11
#2 Liu Xueshen 2
#3 Li Da 2
#4 Jiang Zhiqiang 2
#5 Li Chunjie 2
#6 Wang Weili 2
#7 Wang Duojing 1
#8 Li Gufei 1
#9 Zhou Shengchao 1
#10 Liu Ting 1

Latest patents

Publication Filing date Title
CN112075718A Hydraulic automatic massage shoes
CN111437423A Negative pressure air suction and air exchange sterilizing machine
CN110327424A A kind of drug and preparation method thereof for treating primary Sjogren's syndrome
CN110025672A A kind of juvenile shortsightedness accommodation cream and preparation method thereof
CN109998837A A kind of clinical care bracket
CN108310664A Infrared therapy apparatus intelligence control system
CN108319446A A kind of reception operation based on 51 chip microcontroller FIFO
CN104863027A Guardrail device
CN103662876A Inclination-prevention ultra-high correction machine for truck
US2013017612A1 pH-sensitive microparticles with matrix-dispersed active agent
CN1441281A Photochromic lens
CN1303195A Optical wave interleaving transmitter and receiver modules