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CHANGZHOU HONGFA ZONGHENG ADVANCED MATERIAL TECH CO LTD

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    33,797
  • Filing trend
    ⇩ 100.0%
About

CHANGZHOU HONGFA ZONGHENG ADVANCED MATERIAL TECH CO LTD has a total of 45 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and textiles and paper are TOYO POLYMER KK, BAYER POLYMERS LLC and M & G RICERCHE SPA.

Patent filings in countries

World map showing CHANGZHOU HONGFA ZONGHENG ADVANCED MATERIAL TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 45

Patent filings per year

Chart showing CHANGZHOU HONGFA ZONGHENG ADVANCED MATERIAL TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tan Kunlun 40
#2 Ji Xiaoqiang 30
#3 Liu Shihai 24
#4 Zhang Kan 21
#5 He Mengyao 15
#6 Wang Xiugang 15
#7 Liu Yuqi 14
#8 Xie Bo 14
#9 Jiang Lixia 11
#10 He Haoyuan 5

Latest patents

Publication Filing date Title
CN112238566A Prefabricated part for wind power blade root and production method thereof
CN111926415A Carbon fiber production process capable of eliminating static electricity
CN111962167A Preparation method of carbon fiber precursor
CN111844797A Automatic production process of carbon-glass mixed composite material
CN111872694A Carbon glass mixes fabric preforming processingequipment
CN111691012A Electric control type polyacrylonitrile precursor microwave pre-oxidation process
CN111594382A Wind-powered electricity generation blade foam core
CN111549443A Sandwich type high-performance fiber unidirectional fabric and processing and application methods thereof
CN110777475A Unidirectional fabric and warp knitting process and application method thereof
CN110452533A A kind of norbornene end-sealed type Wholly aromatic polyamide prepreg composition and its preparation method and application method
CN110591091A Main chain type benzoxazine containing daidzein group and preparation method thereof
CN110818932A Norbornene-based end-capped benzoxazine oligomer prepreg composition, and preparation method and application method thereof
CN110315775A A kind of wind electricity blade crossbeam paving system and its control method
CN110315776A Wind electricity blade crossbeam paving system and its control method
CN110154422A Wind electricity blade glass abnormal shape pultrusion pre-forming device and preforming process
CN110181586A A kind of profile cutting on line equipment
CN110042568A A kind of large-tow carbon fiber collection yarn exhibition yarn feeding device
CN108003312A A kind of backbone chain type Polybenzoxazine and preparation method thereof of amide containing, imide structure
CN107915817A A kind of backbone chain type benzoxazine of amide containing structure and preparation method thereof
CN107840931A A kind of backbone chain type benzoxazine containing imide structure and preparation method thereof