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KAWASAKI REFRACTORIES CO LTD

Overview
  • Total Patents
    864
About

KAWASAKI REFRACTORIES CO LTD has a total of 864 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets materials and metallurgy, environmental technology and measurement are AKECHI CERAM CO LTD, PUYANG REFRACTORIES GROUP CO LTD and LWB REFRACTORIES GMBH.

Patent filings in countries

World map showing KAWASAKI REFRACTORIES CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 859
#2 United States 2
#3 Canada 1
#4 United Kingdom 1
#5 Republic of Korea 1

Patent filings per year

Chart showing KAWASAKI REFRACTORIES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kawakami Tatsuo 279
#2 Tanaka Seijiro 146
#3 Oguchi Masao 135
#4 Shintani Hirotaka 120
#5 Yoshimura Matsuichi 88
#6 Mitsui Haruo 61
#7 Yamane Toshio 59
#8 Tsuchiya Ichiro 54
#9 Ishii Hiromasa 52
#10 Toritani Yasunobu 52

Latest patents

Publication Filing date Title
JP2004196578A Magnesia-graphite brick
JP2004168586A Refractory material for repairing coke oven
JP2004131310A Castable refractory for lining tundish
JP2004115849A Injection lances for pre-treating molten iron and the other treatment
JP2004099937A Castable refractory for lining main trough in blast furnace and its constructing method
JP2004082125A Plate refractory for sliding nozzle
JP2004082126A Plate refractory for sliding nozzle
JP2004035354A Clogging material for tap hole in blast furnace
JP2004026564A Monolithic refractory for blast furnace trough
JP2003261392A Unshaped refractory
JP2003261389A Gunning refractory
JP2003261388A Gunning refractory
JP2004010458A Gunning mixture for converter or the like
JP2004010415A Magnesite-chrome spraying repairing material
JP2004010414A Magnesia-chrome monolithic refractory
JP2004010379A Taphole plugging material
JP2004010380A Taphole plugging material
JP2004009059A Plate for sliding nozzle
JP2004002123A Trowel repairing material for melting furnace for incineration ash or the like
JP2004002102A Refractory for melting furnace for incineration ash or the like