Learn more

PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL CO LTD

Overview
  • Total Patents
    115
  • GoodIP Patent Rank
    17,733
  • Filing trend
    ⇩ 13.0%
About

PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL CO LTD has a total of 115 patent applications. It decreased the IP activity by 13.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machine tools and measurement are BAOSTEEL SPECIAL STEEL CO LTD, BAOTOU IRON & STEEL GROUP CO LTD and INNER MONGOLIA BAOTOU STEEL UNION CO LTD.

Patent filings in countries

World map showing PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL CO LTDs patent filings in countries
# Country Total Patents
#1 China 115

Patent filings per year

Chart showing PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Daoxing 20
#2 Luo Dingxiang 16
#3 Yu Zhichuan 13
#4 Chen Jinyang 12
#5 Zhang Jian 11
#6 He Yunhua 11
#7 Hu Fengrong 10
#8 Hu Jin 10
#9 Xie Zhenyong 10
#10 Cai Wu 10

Latest patents

Publication Filing date Title
CN112226667A Preparation method of chromium stainless pre-hard plastic die steel
CN111763800A Preparation method of 18Ni steel intermediate alloy
CN111793767A Preparation method of 18Ni steel consumable electrode
CN111618095A Preparation method of UNS N06690 nickel-based alloy pierced billet
CN111647723A 10CrNi3MoV round pipe blank and preparation method and application thereof
CN111570689A Forging method of barrel
CN111575577A Plastic die round steel and preparation method thereof
CN111496153A Forging forming process of E2 vertical roller
CN111451425A Forging method for controlling white point defect
CN111250678A Production process of die-cast steel ingot for reducing flaw detection defects
CN111346997A Processing technology of shell for missile
CN110873695A Method for measuring phosphorus content in ferroniobium
CN110873714A Method for determining phosphorus content in tungsten-free niobium steel
CN110976544A Hot extrusion blank reaming process
CN110887803A Method for measuring phosphorus content in tungsten-containing niobium steel
CN110819913A Chalcogenide free-cutting stainless steel and preparation method thereof
CN110666393A Core wire material and preparation method thereof
CN110669999A Super-large-section ledeburite cold-work die steel bar and preparation method thereof
CN110640353A Welding wire material and preparation method thereof
CN110670078A Acid pickling method for eliminating GH4099 alloy along crystal oxide layer