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CHANGZHOU OPTICAL MATERIAL CO LTD

Overview
  • Total Patents
    40
  • GoodIP Patent Rank
    37,785
About

CHANGZHOU OPTICAL MATERIAL CO LTD has a total of 40 patent applications. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, foods and drinks and optics are JIANGSU JINSHAN ENVIRONMENTAL PROT TECHNOLOGY CO LTD, SHANGHAI NAN YANG MODEL HIGH SCHOOL and CENTRALSUN KK.

Patent filings in countries

World map showing CHANGZHOU OPTICAL MATERIAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 40

Patent filings per year

Chart showing CHANGZHOU OPTICAL MATERIAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Yizhong 39
#2 Xue Hongjuan 9
#3 Gao Liqun 8
#4 Song Guo 7
#5 Wang Zhihui 6
#6 Lin Dawei 6
#7 Sheng Yanhua 4
#8 Zhang Fan 3
#9 Pan Xiangcheng 1

Latest patents

Publication Filing date Title
CN105176039A Preparation method of polycarbonate with high ultraviolet resistance
CN105175009A Preparation method of concrete curing agent
CN105175686A Preparation method of epoxy resin modified by ultra-dispersed nano calcium carbonate
CN105341618A Preparation method of antioxidant for vegetable protein foods
CN105177609A Preparing method of microorganism degreasant
CN105177767A Method for preparing carbon fiber from natural materials
CN105237188A Method for preparing degradable fertilizer anti-caking agent from kitchen garbage
CN105340412A Preparation method for soybean nodulation pathogenic-bacterium inhibitor
CN105341144A Preparation method of fruit fresh keeping agent made in manner that silkworm cocoon casings are coated with curcumin
CN105239147A Preparation method of environment-friendly spraying electrolysis stripping solution
CN105133292A Method for loading nanometer titanium dioxide on plant cellulose and application
CN105153074A Method for preparing epoxy flax oil plasticizers
CN105177575A Deplating method for deplating brass surface tin-nickel coating
CN105271292A Preparation method of molecular sieve membrane adopting nano-SiO2 as carrier
CN105350370A Waste paper deinking apparatus
CN105236837A Preparation method of high compression-resistant water permeable brick
CN105155557A Protection method for slope with mixture of soil and rock
CN105152360A Method for promoting decomposition of sulfonamide in chemical wastewater through plant extract ferment
CN105107527A Method for preparing millet carrier catalysts
CN105175146A Method for preparing flower nutrient soil by degrading agricultural films