Learn more

UNICORN IMAGE PRODUCTS CO LTD

Overview
  • Total Patents
    22
About

UNICORN IMAGE PRODUCTS CO LTD has a total of 22 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, Australia and Hong Kong. Its main competitors in its focus markets textiles and paper are DH ASS, SOBLIK MAX and BAR LOCK TYPEWRITER COMPANY LT.

Patent filings per year

Chart showing UNICORN IMAGE PRODUCTS CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

# Technology
#1 Typewriters

Top inventors

# Name Total Patents
#1 Xiao Qingguo 16
#2 Li Yu 14
#3 Yu Li 4
#4 Qingguo Xiao 4
#5 Chan On Bon Peter 1
#6 Lin Yu 1
#7 Chan On Bon 1

Latest patents

Publication Filing date Title
US2005243147A1 Ink cartridge having bellows valve, ink filling method and apparatus used thereof
HK1049982A1 Ink cartridge, ink filling method and apparatus therefor and one-way valve for controlling ink.
US2003128257A1 Ink cartridge having bellows valve, ink filling method and apparatus used thereof
US2003048338A1 One-way valve, valve unit assembly, and ink cartridge using the same
HK1039303A1 Ink cartridge and one-way valve used thereof.
AU1375902A An ink cartridge with a seal member provided at the ink outlet port
TW592987B Ink cartridge and ink filling method and the device
PL365774A1 An ink cartridge and a method and device for filling the ink cartridge
WO0178987A1 Ink cartridge mechanism and the check valve thereof