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CHANG CHUN PETROCHEMICAL CO LTD

Overview
  • Total Patents
    215
  • GoodIP Patent Rank
    7,208
  • Filing trend
    ⇧ 42.0%
About

CHANG CHUN PETROCHEMICAL CO LTD has a total of 215 patent applications. It increased the IP activity by 42.0%. Its first patent ever was published in 2005. It filed its patents most often in Taiwan, United States and Republic of Korea. Its main competitors in its focus markets surface technology and coating, electrical machinery and energy and environmental technology are CHANGCHUN PETROCHEMICAL CO LTD, ILJIN MAT CO LTD and CO TECH DEV CORP.

Patent filings per year

Chart showing CHANG CHUN PETROCHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lai Yao-Sheng 112
#2 Chou Jui-Chang 94
#3 Cheng Kuei-Sen 62
#4 Huang Huei-Fang 44
#5 Lai Yao Sheng 40
#6 Chou Jui Chang 36
#7 Cheng Kuei Sen 28
#8 Lai Chien-Ming 20
#9 Huang Huei Fang 15
#10 Huang Jian-Ming 14

Latest patents

Publication Filing date Title
US10975181B1 Ethylene-vinyl alcohol copolymer and producing method thereof
EP3816324A1 Copper foil having excellent heat resistance
US10961375B1 Ethylene vinyl alcohol copolymer resin composition as well as films and multi-layer structures thereof
US10982084B1 Ethylene vinyl alcohol copolymer resin composition as well as films and multi-layer structures thereof
US10991948B1 Surface-treated copper foil for lithium-ion secondary batteries
KR20200096428A copper foil with carrier and copper-clad laminate
TWI715424B Electrolytic copper foil and electrode and lithium-ion cell comprising the same
US10711124B1 Ethylene vinyl alcohol pellets as well as films thereof
US10961378B1 Ethylene-vinyl alcohol resin, film, and multi-layer structure comprising the same, and method for forming the ethylene-vinyl alcohol resin
TWI705160B Electrolytic copper foil and electrode and copper-clad laminate comprising the same
TWI697574B Electrolytic copper foil and electrode and lithium-ion battery comprising the same
US2021095081A1 Polymeric film and laminated glass containing the same
TWI700393B Electrolytic copper foil and electrode and lithium ion cell comprising the same
US10697082B1 Surface-treated copper foil
US10619262B1 Electrodeposited copper foil
US10581081B1 Copper foil for negative electrode current collector of lithium ion secondary battery
US10676578B1 Interlayer film and laminated glass comprising the same
TWI675128B Electrolytic copper foil
US2020295378A1 Electrodeposited copper foil with anti-burr property
US2020119360A1 Electrolytic copper foil, electrode comprising the same, and lithium ion battery comprising the same