Inventor
YOSHIKAWA TOMIO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA TOMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS5224354AJul 6, 1993
Control system for refrigerating apparatus
HITACHI LTD127 citations97
US5058389AOct 22, 1991
Fluid temperature control system and computer system using same
HITACHI LTD55 citations96
US5335708AAug 9, 1994
Cooling apparatus and temperature control method therefor
HITACHI LTD36 citations92
US5097670AMar 24, 1992
Water chilling method and apparatus for the same
HITACHI LTD26 citations92
US4910968AMar 27, 1990
Refrigerating apparatus
HITACHI LTD27 citations92
US4557114ADec 10, 1985
Control circuit for air conditioner
HITACHI LTD22 citations82
US5201187AApr 13, 1993
System for controlling cooling equipment
HITACHI LTD20 citations73
HITACHI APPLIANCES INC
5 patentsUS7772736B2Aug 10, 2010
Permanent magnet synchronous motor, rotor of the same, and compressor using the same
HITACHI APPLIANCES INC9 citations83
US7531934B2May 12, 2009
Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the same
HITACHI APPLIANCES INC18 citations80
US7453181B2Nov 18, 2008
Permanent magnet synchronous motor and compressor using the same
HITACHI APPLIANCES INC7 citations73
US7501734B2Mar 10, 2009
Motor, compressor, and air conditioner
HITACHI APPLIANCES INC3 citations62
US7902713B2Mar 8, 2011
Self-starting type permanent magnet synchronous motor and a compressor using the same
HITACHI APPLIANCES INC0 citations39