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CHANG SUNG CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    133,042
  • Filing trend
    ⇩ 100.0%
About

CHANG SUNG CO LTD has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1995. It filed its patents most often in WIPO (World Intellectual Property Organization), Republic of Korea and China. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and semiconductors are NINGBO PERMANENT MAGNETICS CO LTD, FOSHAN CATECH CO LTD and ZHEJIANG DONGYANG DONGCI RARE EARTH CO LTD.

Patent filings per year

Chart showing CHANG SUNG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Jae-Wook 7
#2 Park Ki-Bum 7
#3 Lee Jung-Woong 7
#4 Park Seong-Yong 7
#5 Lee Byoung-Yoon 7
#6 You Jae-Lim 5
#7 Yang Seung-Jin 4
#8 Lee Tae Kyung 4
#9 Yang Seung Nam 4
#10 Choi Sung Jin 4

Latest patents

Publication Filing date Title
WO2016117718A1 Electromagnetic wave shielding and absorbing sheet and manufacturing method of the same
KR100767261B1 Rotating type blade made of different materials and manufacturing process thereof
KR20050040509A Health supplement foods using crucian carp as main materials
KR20050010090A blade of big diameter
KR20040065365A Method of making blade
KR0152737B1 Method for crushing heat-treatment mpp core powder