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SICHUAN LONGHUA FILM CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    98,056
  • Filing trend
    ⇩ 50.0%
About

SICHUAN LONGHUA FILM CO LTD has a total of 18 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2011. It filed its patents most often in China and United States. Its main competitors in its focus markets optics, semiconductors and computer technology are WEBSTER CAPITAL LLC, KEIWA KK and BITA ION.

Patent filings in countries

World map showing SICHUAN LONGHUA FILM CO LTDs patent filings in countries
# Country Total Patents
#1 China 13
#2 United States 5

Patent filings per year

Chart showing SICHUAN LONGHUA FILM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Diao Ruimin 13
#2 Cui Xulong 6
#3 Luo Ling 6
#4 Diao Rui-Min 5
#5 Wang Yao-Chang 4
#6 Wang Yaochang 4
#7 Hsieh Yi-Ping 3
#8 Xie Yiping 3
#9 Zhong Quanfu 1
#10 Wu Xiaogang 1

Latest patents

Publication Filing date Title
CN111308603A Oblique optical axis phase difference film
CN110655748A Preparation method of fullerol modified PMMA/PC composite material
CN110746628A Preparation method of ZnO nanowire/multi-walled carbon nanotube modified polypropylene composite film
CN110607063A PC/PMMA composite material and preparation method thereof
CN109985789A A kind of plastic hard-coating sheet material and preparation method of secondary curing
CN108559111A The preparation method of strong adhesive force fullerene micro/nano-fibre antistatic film
CN107561627A Light guiding film
CN107315255A The projection screen of HUD
CN106772711A Blooming piece
CN106775075A Bendable touch-control display panel
CN106772720A Visual angle margining tablet and its manufacture method
CN105907287A Anti-ultraviolet anti-glare anti-fingerprint hardness-increasing coating liquid composition, coating and preparation method of coating
CN102529261A Light reflection film