Inventor
MURAMATSU MASATOSHI
JP5 patents
Patents
5 patentsUS5214918AJun 1, 1993
Refrigerator and method for indicating refrigerant amount
HITACHI LTD130 citations97
US5709090AJan 20, 1998
Refrigerating system and operating method thereof
HITACHI LTD33 citations92
US4714418ADec 22, 1987
Screw type vacuum pump
HITACHI LTD31 citations89
US5065588ANov 19, 1991
Air-conditioner system
HITACHI LTD9 citations73
US4904170AFeb 27, 1990
Scroll-type fluid machine with different terminal end wrap angles
HITACHI LTD9 citations73