Inventor
TAGAWA SHIGETARO
JP6 patents
Patents
6 patentsUS4561829ADec 31, 1985
Rotary compressor with tapered valve ports for lubricating pump
HITACHI LTD29 citations91
US4626180ADec 2, 1986
Rotary compressor with spiral oil grooves for crankshaft
HITACHI LTD35 citations90
US4636154AJan 13, 1987
Horizontal type rotary compressor
HITACHI LTD19 citations77
US4544338AOct 1, 1985
Oil feeder means for use in a horizontal type rotary compressor
HITACHI LTD15 citations73
US6312237B2Nov 6, 2001
Displacement type fluid machine
HITACHI LTD2 citations59
US6220841B1Apr 24, 2001
Displacement type fluid machine
HITACHI LTD0 citations49