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OSAKA KOUKAI KK

Overview
  • Total Patents
    20
About

OSAKA KOUKAI KK has a total of 20 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and materials and metallurgy are JIANQIU ZHANG, VITKOVICE SP and GURKIN YURIJ I.

Patent filings in countries

World map showing OSAKA KOUKAI KKs patent filings in countries
# Country Total Patents
#1 Japan 20

Patent filings per year

Chart showing OSAKA KOUKAI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wakabayashi Kazuo 18
#2 Tajima Ritsuo 15
#3 Iwami Akira 5
#4 Ueda Mitsuru 4
#5 Ito Takashi 3
#6 Nakayama Futoshi 2
#7 Okuyama Akisato 1
#8 Okabe Seiji 1
#9 Morita Zenichiro 1
#10 Katayama Hiroyuki 1

Latest patents

Publication Filing date Title
JP2007277664A Lime-based flux for refining
JP2007277666A Lime-based flux for refining, and its manufacturing method
JP2004176095A Lime-base flux for refining
JP2004176097A Method for producing lime-base flux for secondary refining
JP2004176094A Lime-base flux
JP2004176096A Lime-based flux for primary refining
JP2004076138A Ingot making hard coal for producing hot metal from scrap
JP2002371311A Method for dephosphorizing molten metal, dephosphorizing agent with low-temperature slag forming property therefor, and manufacturing method therefor
JPH1171611A Lime flux for smelting metal
JPH10317047A Pre-treatment at the time of melting scrap
JPH08134526A Magnesia-base slag formation promoter for refining limy flux and its production
JPH0762420A Production of lime based flux for metal refining
JPH06322429A Method for cleaning molten metal and controlling inclusion
JPH06157085A Production of bulky lime-based flux in metal refining
JPH06157083A Production of powdery quick lime for injection in metal refining and production of lime-based heat insulating material for floatable in surface of smelted metal and refractory for metal refining furnace
JPH06157084A Production of bulky or powder lime-based flux in metal refining
JPH05155653A Production of lime-base refractory
JPH04193746A Hard burnt lime granular body and its manufacture and method for using the same to heat insulation of high temperature molten metal
JPH04149045A Quick lime powder for removing inclusion in molten metal and method for desulfurizing and dephosphorizing molten metal at high temperature
JPH0450159A Lime-based refractory molding and production of lime-based refractory