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KYUSHU REFRACTORIES

Overview
  • Total Patents
    422
About

KYUSHU REFRACTORIES has a total of 422 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are CELLARIS LTD, HUNAN YINHE CERAMICS IND CO LTD and NICHIEE YOSHIDA KK.

Patent filings per year

Chart showing KYUSHU REFRACTORIESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watanabe Akira 256
#2 Takahashi Hirokuni 87
#3 Takeuchi Yoshimitsu 77
#4 Nishikawa Yasuo 70
#5 Takanaga Shigeyuki 51
#6 Kihara Seiji 50
#7 Nonobe Kazuo 44
#8 Tokuda Hiroyasu 37
#9 Mizuta Yasutoshi 37
#10 Kono Koji 31

Latest patents

Publication Filing date Title
JP2012017929A Baking tool material, and method for manufacturing the same
JP2012017928A Baking tool material, and method for manufacturing the same
JP2009249193A Manufacturing method of refractory
JP2009040945A Heat-conducting elastomer and cross-linking agent
JP2007069117A Manufacturing method of activated sludge generation inhibitor
JP2004124256A Method for hot metal pretreatment
JP2004223534A Immersion nozzle
JP2004217443A Tool material for burning electronic component
JP2004099674A Minute carbonaceous structure having highly graphitized carbon on surface
JP2004099675A Electroconductive composition and electroconductive coating, electroconductive adhesive and electromagnetic wave shielding agent containing it
JP2004067431A Binder for refractory and refractory using the same
JP2003277169A Ceramics
US7060642B2 Refractory raw materials, method for production thereof and refractory using the material
JP2003226586A Tool for firing electronic part
JP2003170251A Immersion nozzle
JP2002283014A Immersion nozzle for continuous casting
JP2002219561A Immersion nozzle
JP2001200378A Jig for baking electronic parts
JP2001199773A Hot baking repairing material
JP2000247752A Jig for baking electronic part with suppressed reaction and peeling