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YANTAI GEM CHEMICALS CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    58,174
  • Filing trend
    ⇧ 100.0%
About

YANTAI GEM CHEMICALS CO LTD has a total of 33 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, semiconductors and basic materials chemistry are NANJING TOPTO MAT CO LTD, CHANGCHUN HAIPU RUNSI TECH CO LTD and NANJING TOPTO SEMICONDUCTOR MAT CO LTD.

Patent filings in countries

World map showing YANTAI GEM CHEMICALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing YANTAI GEM CHEMICALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Muxin 12
#2 Liu Jiaxin 8
#3 Li Xiangyang 7
#4 Chu Yi 7
#5 Cheng Daxing 6
#6 Song He 6
#7 Zhang Shicai 6
#8 Wan Guojun 6
#9 Fang Pinglei 6
#10 Li Te 6

Latest patents

Publication Filing date Title
CN112174980A Organic compound with eight-membered ring as core structure and application thereof
CN111592540A Imidazonaphthyridine high-performance photoelectric material and application thereof
CN111620855A Benzoxanthene compound-containing material and application thereof
CN110734431A oxazole compounds containing triazine structure and application thereof
CN110872300A Nitrogen-containing hetero-seven-membered-ring carbazole organic luminescent material and application thereof
CN110872303A Compound containing spiro acridine structure and application thereof
CN110872304A Furanoindolocarbazole derivative and application thereof
CN111423453A Organic electroluminescent material with seven-membered heterocycle as main body and application thereof
CN110872278A Heterocyclic compound and application thereof
CN109535168A A kind of dioxin organic compound and its application
CN109369669A A kind of triazine biphenyl bithiophene miazines organic compound and its application
CN109467556A The preparation and its application on OLED luminescent device of a kind of benzindole diindyl and Acridine derivatives
CN109456247A A kind of umbrella shape contains the preparation and application of pyrrole structure class advanced luminescent material
CN109369557A A kind of organic compound preparation that seven yuan of nitrogen oxa- rings of naphtho- are nuclear structure and its application on OLED
CN109369420A A kind of organic aromatic amine luminescent material containing heptatomic ring
CN109665986A It is a kind of using heptatomic ring as the preparation of the organic compound of nuclear structure and its application on OLED
CN108101893A A kind of organic compound using carbazole and pyrimidine as core prepares and its application on OLED
CN108178750A A kind of preparation and its application of benzo [g] quinazoline derivative
CN108117476A It is a kind of for compound of OLED material and preparation method thereof
CN107652287A A kind of miscellaneous carbazole compound of the miscellaneous fluorenes benzo of benzo and application