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NANTONG GUOGUANG OPTICAL GLASS CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    133,043
  • Filing trend
    ⇩ 25.0%
About

NANTONG GUOGUANG OPTICAL GLASS CO LTD has a total of 13 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machines and measurement are HUBEI GEBIJIA PHOTOELECTRIC TECH CO LTD, KAISER WILHELM INST FUER SILIK and KORNERSTONE MATERIALS TECH CO LTD.

Patent filings in countries

World map showing NANTONG GUOGUANG OPTICAL GLASS CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing NANTONG GUOGUANG OPTICAL GLASS CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Shen Jie 13
#2 Shen Qiangguo 4

Latest patents

Publication Filing date Title
CN111574033A Low-viscosity optical glass dynamic supplement type leaking molding process
CN111537521A Film-coated fluorescence penetration detection method for optical glass surface microcracks
CN111423098A Method for manufacturing waving type optical glass with low stripe bubble rate
CN111116041A Ultraviolet band high-transmittance anti-radiation optical glass and preparation method thereof
CN109734310A A kind of high light transmission glass of visible optical depth cut-off
CN110066107A It can be seen that the preparation method of the high light transmission glass of optical depth cut-off
CN108409113A A kind of equipment for optical glass cast
CN108529854A A kind of agitator device for optical glass melting
CN108383364A A kind of fine annealing device for optical glass colour developing
CN107337348A A kind of high transmission rate and the optical glass for not influenceing IR-cut
CN107686240A A kind of high transmission rate and the preparation method for not influenceing the optical glass of IR-cut
CN106977096A The optical glass of ultraviolet band high transmission and resistance to ultraviolet irradiation
CN106966590A The preparation method of the optical glass of ultraviolet band high transmission and resistance to ultraviolet irradiation