Learn more

HANGZHOU SPECIAL PAPER CO LTD

Overview
  • Total Patents
    88
  • GoodIP Patent Rank
    17,936
  • Filing trend
    ⇩ 33.0%
About

HANGZHOU SPECIAL PAPER CO LTD has a total of 88 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets textiles and paper, surface technology and coating and chemical engineering are ZIBO OUMU SPECIAL PAPER IND CO LTD, WENZHOU XINFENG DECORATION MAT CO LTD and WAN CHENGMING.

Patent filings in countries

World map showing HANGZHOU SPECIAL PAPER CO LTDs patent filings in countries
# Country Total Patents
#1 China 88

Patent filings per year

Chart showing HANGZHOU SPECIAL PAPER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Anbo 79
#2 Wang Jianye 28
#3 Wu Qionghua 27
#4 Wu Anbei 9
#5 Zhu Zheng 2
#6 Ye Pingping 1
#7 Huang Yongbo 1
#8 Wang Lei 1

Latest patents

Publication Filing date Title
CN111691220A In-vitro life detection material and preparation method thereof
CN110523141A A kind of air filtering material skeleton
CN112237769A Needle head type filter
CN109653024A A kind of single side applies solidification filter paper and preparation method thereof
CN109610238A Fire-retardant solidification filter paper of one kind and preparation method thereof
CN109518530A Thick vulcan fibre of a kind of lamination and preparation method thereof
CN109371742A A kind of coaster paper and preparation method thereof
CN109355976A Heat-resisting water-fast vulcan fibre of one kind and preparation method thereof
CN109355975A A kind of heat-resisting vulcan fibre and preparation method thereof
CN109338809A A kind of water-fast thick vulcan fibre and preparation method thereof
CN109505197A A kind of preparation method of pressure resistance filter paper for oil
CN109403144A A kind of preparation method of antibacterial machine air filter paper
CN109610237A A kind of diesel oil composite filter paper and preparation method thereof
CN107326728A A kind of red grinding vulcan fibre of strong coloring force
CN107419591A A kind of green abrasive disk vulcan fibre of strong coloring force
CN107326746A A kind of fire retardant insulating vulcan fibre and preparation method thereof
CN107326747A A kind of high-strength insulation vulcanized fiber and preparation method thereof
CN107354807A A kind of waterproof insulation vulcan fibre and preparation method thereof
CN107190559A Plant oil filter paper and its preparation method and application
CN107419609A Composite fuel filter paper and its preparation method and application