Learn more

CHEN ZHANGHUA

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    164,616
  • Filing trend
    ⇩ 57.0%
About

CHEN ZHANGHUA has a total of 12 patent applications. It decreased the IP activity by 57.0%. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy and environmental technology are TIANSHUN GROUP, Hefei hengtai steel structure co ltd and NIPPON STEEL & SUMIKIN SST.

Patent filings in countries

World map showing CHEN ZHANGHUAs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHEN ZHANGHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Zhanghua 12
#2 Yang Minhui 6
#3 Zhang Changhua 5
#4 Li Yilian 3
#5 Chen Jinyu 3
#6 Cheng Jingtao 2
#7 Xi Hongmei 2
#8 Lin Jiafeng 1

Latest patents

Publication Filing date Title
CN109825778A A kind of high chromium high boron wear-resisting steel of micro- carbon and preparation method thereof
CN109402523A A kind of low-carbon high-chromium high boron wear-resisting steel and preparation method thereof
CN109609851A A kind of high chromium high boron wear-resisting steel of middle carbon and preparation method thereof
CN108220816A A kind of low chromium shock resistance high-temperature antiwear alloy steel and preparation method thereof
CN108165880A A kind of middle chromium shock resistance high-temperature antiwear alloy steel and preparation method thereof
CN108950376A A kind of low chromium wear-resisting alloy steel and preparation method thereof
CN108950427A Low boron low chrome steel of low-carbon and preparation method thereof
CN108929983A Low boron high chrome alloy steel of low-carbon and preparation method thereof
CN108950428A A kind of middle chromium wear-resisting alloy steel and preparation method thereof
CN108950426A Chromium alloyed steel and preparation method thereof in the low boron of low-carbon
CN1693523A Alloy steel
CN1748942A Vice capable of quick regulating accurate angle