Inventor

SUGIHARA YASUO

JP8 patents

Patents

8 patents

US5302311AApr 12, 1994

Cleaning solution of semiconductor substrate

MITSUBISHI GAS CHEMICAL CO66 citations94

US5705089AJan 6, 1998

Cleaning fluid for semiconductor substrate

MITSUBISHI GAS CHEMICAL CO133 citations93

US4999179AMar 12, 1991

Method for purifying impure aqueous hydrogen peroxide solution

MITSUBISHI GAS CHEMICAL CO56 citations93

US5180518AJan 19, 1993

Oxygen absorbent

MITSUBISHI GAS CHEMICAL CO36 citations92

US5102673AApr 7, 1992

Oxygen absorbent

MITSUBISHI GAS CHEMICAL CO22 citations91

US4792403ADec 20, 1988

Method of removing organic impurities from aqueous solution of hydrogen peroxide

MITSUBISHI GAS CHEMICAL CO19 citations80

US5614165AMar 25, 1997

Process for purification of hydrogen peroxide

MITSUBISHI GAS CHEMICAL CO13 citations71

US5328894AJul 12, 1994

Food-preserving agent

MITSUBISHI GAS CHEMICAL CO2 citations60