Inventor
KUROISHI KAZUYOSHI
JP4 patents
Patents
4 patentsUS5173517ADec 22, 1992
Rigid polyurethane foam and heat insulator obtained therefrom
HITACHI LTD17 citations72
US5034425AJul 23, 1991
Rigid polyurethane foam, process for producing the same, and heat insulators and refrigerators using such polyurethane foam
HITACHI LTD10 citations72
US4742089AMay 3, 1988
Rigid polyurethane foam and process for producing the same
HITACHI LTD18 citations71
US5216040AJun 1, 1993
Rigid polyurethane foam and process for producing the same
HITACHI LTD4 citations58