Inventor

NAKAGAWA KAZUMOTO

JP3 patents

Patents

3 patents

US6039892AMar 21, 2000

Oxygen absorbent composition

MITSUBISHI GAS CHEMICAL CO22 citations90

US6004477ADec 21, 1999

Oxygen absorption composition

MITSUBISHI GAS CHEMICAL CO50 citations89

US6960640B2Nov 1, 2005

Composition for optical material

MITSUBISHI GAS CHEMICAL CO4 citations61