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IRIE KOKEN KK

Overview
  • Total Patents
    95
  • GoodIP Patent Rank
    136,165
  • Filing trend
    ⇩ 100.0%
About

IRIE KOKEN KK has a total of 95 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1976. It filed its patents most often in Japan, Republic of Korea and United States. Its main competitors in its focus markets mechanical elements, thermal processes and machines are SISTAG AG ABSPERRTECHNIK, POSI SEAL INTERNATIONAL and KITAMURA VALVE MFG CO LTD.

Patent filings per year

Chart showing IRIE KOKEN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Irie Norikimi 33
#2 Hayashi Yuzo 29
#3 Yabe Manabu 17
#4 Nakagawa Masaharu 17
#5 Sawa Toshio 16
#6 Yoshida Hidehiko 12
#7 Saito Tatsuo 9
#8 Katagiri Toshiro 6
#9 Kato Yoshihiro 5
#10 Minamoto Hiroshi 5

Latest patents

Publication Filing date Title
JP2020200852A Valve body and vacuum gate valve
WO2020225844A1 Gate valve
JP2020178932A Transfusion flow rate detector
JP2020122528A Magnetic seal type gate valve
JP2019069036A Liquid supply system
WO2017134737A1 Fluid supply apparatus
JP2016196897A Compound type bellows
WO2016121098A1 Metal sealing component, metal sealing structure and method for manufacturing metal sealing component
JP2016011719A Gate valve
JP2014234917A Gate valve and chamber
JP2013124773A Bellows protection structure of gate valve
KR20140031167A Hermetically-sealed chamber
JP2011179530A Seal groove, seal material
JP2011179529A Seal structure of gate valve
WO2011104865A1 Knockdown-type hermetically sealed chamber
WO2011104861A1 Seal structure for gate valve
JP2011069407A Conductance valve and vacuum pump
JP2008269811A Bellows with rf shield
JP2005140151A Gate valve
JP2004270754A Divided valve plate