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CK METALS CO LTD

Overview
  • Total Patents
    40
  • GoodIP Patent Rank
    220,168
  • Filing trend
    ⇩ 100.0%
About

CK METALS CO LTD has a total of 40 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2004. It filed its patents most often in Japan, Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets surface technology and coating, machines and mechanical elements are BAUMBACH THORKILD, HAFNER OTTO P and BESTEX KYOEI CO LTD.

Patent filings per year

Chart showing CK METALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ohashi Kazuyoshi 21
#2 Nishi Yoshihiko 7
#3 Tsuritani Hiroyuki 6
#4 Oohashi Kazuyoshi 5
#5 Kosaka Yoshiharu 5
#6 Okamura Koji 3
#7 Yoshiharu Kosaka 2
#8 Kawasaki Sekizo 2
#9 Kazuyoshi Oohashi 2
#10 Inami Eizaburo 2

Latest patents

Publication Filing date Title
JP2018051749A Processing device for pipe end part
JP2017014586A Galvanizing method and member obtained therefrom
JP2014238162A Anticorrosive pipe joint
JP2013133829A Joint for piping
JP2012102867A Pipe joint with torque control function
JP2012152811A Flange forming machine of tubular material
JP2011027256A Pipe joint for flange pipe
JP2011226604A Pipe joint
JP2011220431A Corrosion proof pipe joint
JP2010179365A Buckling prevention structure for flange forming machine of tubular material
JP2010249308A Pipe joint
JP2011033056A Pipe joint
JP2011050965A Flange forming machine of tubular material
JP2011017384A Connecting structure of piping using loose-fit type flange
JP2010249257A Pipe joint
JP2010247856A Pipe end cover for pipe material with flange portion
JP2010203601A Flange structure and pipe joint
JP2010158684A Flange forming machine of tubular material
JP2010142821A Tool for preventing inside-diameter buckling
JP2010065716A Pipe joint with function for preventing foreign matter from entering