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KOTOBUKI GIKEN KOGYO KK

Overview
  • Total Patents
    174
  • GoodIP Patent Rank
    214,311
About

KOTOBUKI GIKEN KOGYO KK has a total of 174 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets machines, chemical engineering and materials and metallurgy are TAICANG GOLDENMA INTELLIGENT EQUIPMENT CO LTD, DOPPSTADT CALBE GMBH and EMERICK GEORGE STOCKHAM.

Patent filings per year

Chart showing KOTOBUKI GIKEN KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kaya Takahito 30
#2 Kaya Takato 25
#3 Nagahara Yuichi 19
#4 Kawaguchi Mitsuru 14
#5 Hashimoto Katsuyoshi 13
#6 Mizukami Hiroyoshi 10
#7 Kawamura Hiroshi 9
#8 Ohinata Tetsuo 9
#9 Toda Toshiyuki 8
#10 Aihara Shuichi 8

Latest patents

Publication Filing date Title
JP2017113684A Complex production device of particulate matter and production method of the same
JP2016175764A Supply device
JP2016074042A Grinding device for granular substance
JP2015085276A Centrifugal crusher
JP2014121660A Centrifugal crusher
CN104619463A Apparatus for grinding particulate substance and plant for manufacturing particulate substance
JP2013193057A Solid-liquid separator
JP2011111342A Grinding apparatus and method for producing recycled aggregate
JP2009196746A Conveyor of muck loader
JP2009190850A Conveyor for muck loader
JP2009061357A Apparatus and method for manufacturing sand, and sand
WO2008126154A1 Method of and apparatus for sorting mineral
WO2008032363A1 Method of measuring grain size and apparatus for measuring grain size
WO2007105292A1 Centrifugal crusher
WO2006112164A1 Material slurry processing device
WO2007069325A1 Centrifugal crusher and crushing apparatus
JP2005118713A Separating/recovering equipment and method for separating/recovering foreign matter from raw material
JP2005003395A Method and apparatus for measuring particle size distribution of particulate material
JP2004358393A Upper layer solid matter refluxing type screw conveyer centrifugal dewatering apparatus
JP2004230239A Device and method for dust prevention of crusher