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CDGM OPTICAL GLASS CO LTD

Overview
  • Total Patents
    465
  • GoodIP Patent Rank
    4,211
  • Filing trend
    ⇧ 63.0%
About

CDGM OPTICAL GLASS CO LTD has a total of 465 patent applications. It increased the IP activity by 63.0%. Its first patent ever was published in 2006. It filed its patents most often in China and Taiwan. Its main competitors in its focus markets materials and metallurgy, optics and machines are CDGM GLASS CO LTD, ISUZU SEIKO GLASS KK and SUMITA OPTICAL GLASS.

Patent filings in countries

World map showing CDGM OPTICAL GLASS CO LTDs patent filings in countries
# Country Total Patents
#1 China 460
#2 Taiwan 5

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sun Wei 138
#2 Kuang Bo 126
#3 Mao Lulu 63
#4 Hao Liangzhen 43
#5 Yu Tianlai 27
#6 Yuan Baoping 26
#7 Lai Deguang 25
#8 Yuan Wei 18
#9 Wei Sun 17
#10 He Bo 16

Latest patents

Publication Filing date Title
CN112058688A Glass block weight sorting machine
CN112174517A Optical glass and optical element
CN112159098A Optical glass, optical element and optical instrument
CN112142322A Optical glass, glass preform, optical element and optical instrument
CN112142321A Optical glass, optical element and optical instrument
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CN112125513A Optical glass and optical element
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CN112110646A Glass material, gradient refractive index glass and manufacturing method thereof
CN112079565A Glass composition, gradient index glass and manufacturing method thereof
CN112110644A Glass composition and chemically strengthened glass
CN112110645A Glass, glass product and manufacturing method thereof
CN112047625A Ultraviolet-transmitting optical glass
CN112010561A Packaging glass
CN112028474A Optical glass
CN112028475A Optical glass and optical element
CN111995247A Optical glass, optical preform, optical element and optical instrument
CN111977974A Optical glass, optical preform, optical element and optical instrument
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CN111977975A Fluorophosphate optical glass, optical preform, optical element and optical instrument