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YAN LIU

Overview
  • Total Patents
    49
About

YAN LIU has a total of 49 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and medical technology are JIANWEN ZHU, HONGXIA ZHANG and UNIV NINBO.

Patent filings in countries

World map showing YAN LIUs patent filings in countries
# Country Total Patents
#1 China 49

Patent filings per year

Chart showing YAN LIUs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yan Liu 49
#2 Li Jun 2
#3 Bo Zhang 2
#4 Ying Zhou 2
#5 Jie Jin 1
#6 Qiang Song 1
#7 Hong Jiang 1
#8 Cuihua Zhao 1
#9 Jugang He 1
#10 Yuedong Guo 1

Latest patents

Publication Filing date Title
CN102670748A Chinese medicine for treating acute glaucom
CN102641050A Retractable book stand
CN102488600A Water pocket mattress used in incubator
CN102488953A Novel infant laryngeal mask airway
CN102406975A Simple breathing device of newborn body
CN102267596B Loose filler structure body for package and connecting bar thereof
CN102358341A Bean curd retailing vehicle
CN102761927A Communication switching system control method
CN102761139A Solar remote control
CN102068681A Chilblain ointment and preparation method thereof
CN102450641A Functional food mainly for patients with musculature diseases
CN101905776A Multilayer coextrusion paper-like liquid packaging film
CN101885190A Plate cutting device
CN101862140A Combined condiment bottle
CN102247111A Mop chuck
CN102249088A Automatic material receiving device
CN102070381A Hollow axis pneumatic mouth-tightening/ waist-suppressing machine
CN102120917A Rosin waste residue recovery technique
CN101721635A Method for preparing medicinal physiotherapy compound health-care medicament core
CN101728755A Linear-cavity optical fiber regenerative amplifier