Inventor
SOMEYA KAZUO
JP5 patents
Patents
5 patentsUS4816237AMar 28, 1989
Process for purifying argon gas and apparatus used therefor
HITACHI LTD24 citations90
US5653126AAug 5, 1997
Packing material and air separator
HITACHI LTD19 citations88
US4582519AApr 15, 1986
Gas-liquefying system including control means responsive to the temperature at the low-pressure expansion turbine
HITACHI LTD17 citations70
US4737167AApr 12, 1988
Method and apparatus for separating gas mixture
HITACHI LTD13 citations68
US4623524ANov 18, 1986
Process and apparatus for recovering inert gas
HITACHI LTD18 citations67