Inventor · disambiguated record
Tomio Yoshikawa
Also filed as: YOSHIKAWA TOMIO
14 granted patents·2 pending applications·354 citations·filing 1984–2010
93Inventor score
Top patents by PatentIndex Score
16 records- 0195US5224354AControl system for refrigerating apparatusHITACHI LTD·Filed 1992·Granted Jul 6, 1993·127 cites·3 claims
- 0285US7531934B2Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the sameHITACHI APPLIANCES INC·Filed 2006·Granted May 12, 2009·18 cites·12 claims
- 0382US5058389AFluid temperature control system and computer system using sameHITACHI LTD·Filed 1990·Granted Oct 22, 1991·55 cites·23 claims
- 0478US7772736B2Permanent magnet synchronous motor, rotor of the same, and compressor using the sameHITACHI APPLIANCES INC·Filed 2007·Granted Aug 10, 2010·9 cites·11 claims
- 0575US7453181B2Permanent magnet synchronous motor and compressor using the sameHITACHI APPLIANCES INC·Filed 2006·Granted Nov 18, 2008·7 cites·20 claims
- 0671US5335708ACooling apparatus and temperature control method thereforHITACHI LTD·Filed 1992·Granted Aug 9, 1994·36 cites·6 claims
- 0769US8405272B2Self-starting permanent magnet synchronous motor and compressor and refrigeration cycle using the sameKIKUCHI SATOSHI·Filed 2010·Granted Mar 26, 2013·2 cites·19 claims
- 0866US8836192B2Axial gap rotating electrical machine and rotor used thereforWANG ZHUONAN·Filed 2010·Granted Sep 16, 2014·2 cites·11 claims
- 0965US4557114AControl circuit for air conditionerHITACHI LTD·Filed 1984·Granted Dec 10, 1985·22 cites·15 claims
- 1063US7501734B2Motor, compressor, and air conditionerHITACHI APPLIANCES INC·Filed 2006·Granted Mar 10, 2009·3 cites·12 claims
- 1162US4910968ARefrigerating apparatusHITACHI LTD·Filed 1989·Granted Mar 27, 1990·27 cites·8 claims
- 1261US5097670AWater chilling method and apparatus for the sameHITACHI LTD·Filed 1991·Granted Mar 24, 1992·26 cites·4 claims
- 1352US5201187ASystem for controlling cooling equipmentHITACHI LTD·Filed 1990·Granted Apr 13, 1993·20 cites·8 claims
- 1446US7902713B2Self-starting type permanent magnet synchronous motor and a compressor using the sameHITACHI APPLIANCES INC·Filed 2008·Granted Mar 8, 2011·0 cites·11 claims
- 1538US2008238235A1Motor and compressor using the sameTAKAHASHI AKESHI·Filed 2008·Application pending·0 cites
- 1637US2003071533A1Self-starting synchronous motor and compressor using the sameFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tomio Yoshikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →