Learn more

LI YOUYONG

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    128,876
  • Filing trend
    ⇩ 100.0%
About

LI YOUYONG has a total of 20 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1997. It filed its patents most often in China. Its main competitors in its focus markets pharmaceuticals, furniture and games and environmental technology are ZHOU LIANCAI, CHENGDU LIST PHARMACEUTICAL CO LTD and TIANJIN DAYS NONGDA BIOTECHNOLOGY DEV LTD COMPANY.

Patent filings in countries

World map showing LI YOUYONGs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Li Youyong 20

Latest patents

Publication Filing date Title
CN107550383A A kind of children's toilet seat auxiliary device
CN107595186A A kind of multi-functional children's toilet seat auxiliary device
CN107550382A A kind of adjustable children's toilet seat auxiliary device of cushion ring
CN107536551A A kind of children's toilet seat auxiliary device of anti-sideslip
CN106730680A A kind of spherical object collection device
CN107096191A A kind of ground object collection device
CN106741073A A kind of ground object collects go-cart
CN106581964A Spherical object collection trolley
CN104352898A Chinese medicinal preparation for treating wind-cold type cough
CN104383476A Chinese medicine composition for treating cold headache
CN104352754A Chinese medicinal preparation for treating lung heat cough
CN104353039A Chinese medicinal composition for treating wind-cold type common cold
CN104383477A Traditional Chinese medicine composition for treating cold snuffle
CN1251258A Cotton stripping gearing chain with finger rod and use thereof
CN1240569A Method for raising soil moisture and temp
CN1240573A Infiltrating irrigation method
CN1240104A Method for recovering saline-alkali from surface of farmland and special equipment therefor
CN1213489A Thermal insulating wall-building material using extruded blocks of rice and wheat straw as greenhouse
CN1211385A Method of planting seedling on dry land using paddy machinery
CN1209532A Method for balancing extreme temp. indoor in the year by using temp. of water in middle of deep well