Assignee
HITACHI IND EQUIPMENT SYS
JP·115 granted patents·17 pending applications·809 citations·filing 2003–2015
Top patents by PatentIndex Score
132 records- 0195US7915776B2Permanent magnet type electric rotary machine and compressor using the sameHITACHI IND EQUIPMENT SYS·Filed 2010·Granted Mar 29, 2011·20 cites·14 claims
- 0295US7768172B2Permanent magnet type electric rotary machine and compressor using the sameHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Aug 3, 2010·35 cites·16 claims
- 0394US9115719B2Scroll fluid machine with cooling fan and passageHITACHI IND EQUIPMENT SYS·Filed 2013·Granted Aug 25, 2015·12 cites·12 claims
- 0494US7708538B2Oil free screw compressorHITACHI IND EQUIPMENT SYS·Filed 2007·Granted May 4, 2010·20 cites·8 claims
- 0592US7843298B2Power distribution transformer and tank thereforHITACHI IND EQUIPMENT SYS·Filed 2005·Granted Nov 30, 2010·25 cites·26 claims
- 0691US7745952B2Electric circuit module with improved heat dissipation characteristics using a fixing tool for fixing an electric apparatus to a heat sinkHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Jun 29, 2010·23 cites·3 claims
- 0791US7649298B2Claw teeth type electric rotary machine and manufacturing method for statorsHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Jan 19, 2010·21 cites·13 claims
- 0890US9050814B2Liquid container coupled to a refill container and ink-jet recording apparatus having sameHITACHI IND EQUIPMENT SYS·Filed 2014·Granted Jun 9, 2015·5 cites·18 claims
- 0990US7855467B2Hybrid power generation of wind-power generator and battery energy storage systemHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Dec 21, 2010·23 cites·16 claims
- 1089US9308738B2Gas-liquid separator and inkjet recording apparatus using the sameHITACHI IND EQUIPMENT SYS·Filed 2013·Granted Apr 12, 2016·4 cites·17 claims
- 1189US7845463B2Low-noise machine packageHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Dec 7, 2010·18 cites·9 claims
- 1288US8382873B2Safety cabinetHITACHI IND EQUIPMENT SYS·Filed 2012·Granted Feb 26, 2013·4 cites·2 claims
- 1388US7714475B2Multiple phase claw pole type motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted May 11, 2010·13 cites·12 claims
- 1487US7988435B2Oilless screw compressor and compressed air cooling unitHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Aug 2, 2011·8 cites·19 claims
- 1587US7206204B2Electric circuit moduleHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Apr 17, 2007·53 cites·20 claims
- 1687US7112940B2Frequency converter, motor, motor drive system and maintenance method for motor drive systemHITACHI IND EQUIPMENT SYS·Filed 2005·Granted Sep 26, 2006·14 cites·13 claims
- 1785US8033783B2Diagonal flow fanHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Oct 11, 2011·16 cites·13 claims
- 1884US8385078B2Power transducerHITACHI IND EQUIPMENT SYS·Filed 2009·Granted Feb 26, 2013·9 cites·5 claims
- 1984US7806649B2BlowerHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Oct 5, 2010·13 cites·8 claims
- 2084USD622737SAir compressorHITACHI IND EQUIPMENT SYS·Filed 2009·Granted Aug 31, 2010·32 cites·1 claims
- 2184US7323026B2Safety cabinet for antibiohazardHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Jan 29, 2008·9 cites·2 claims
- 2282US9347338B2Gas compressorHITACHI IND EQUIPMENT SYS·Filed 2013·Granted May 24, 2016·3 cites·18 claims
- 2380USD550721SAir compressorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 11, 2007·28 cites·1 claims
- 2479US9230729B2Transformer, amorphous transformer and method of manufacturing the transformerHITACHI IND EQUIPMENT SYS·Filed 2015·Granted Jan 5, 2016·2 cites·9 claims
- 2579US8919934B2Inkjet recording apparatusHITACHI IND EQUIPMENT SYS·Filed 2013·Granted Dec 30, 2014·3 cites·7 claims
- 2679US8728187B2Safety cabinetHITACHI IND EQUIPMENT SYS·Filed 2013·Granted May 20, 2014·4 cites·6 claims
- 2779US7276876B2Synchronous motor driving apparatusHITACHI IND EQUIPMENT SYS·Filed 2005·Granted Oct 2, 2007·12 cites·20 claims
- 2878US9279423B2Scroll type fluid machine with notches on a motor housingHITACHI IND EQUIPMENT SYS·Filed 2014·Granted Mar 8, 2016·2 cites·9 claims
- 2978US7904254B2Power conversion apparatus and method of estimating power cycle lifeHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Mar 8, 2011·9 cites·20 claims
- 3077US7814224B2Information processor deactivates communication processing function without passing interrupt request for processing when detecting traffic inbound is in over-traffic stateHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Oct 12, 2010·8 cites·15 claims
- 3177US7714466B2Claw-teeth-type rotating electrical machineHITACHI IND EQUIPMENT SYS·Filed 2007·Granted May 11, 2010·8 cites·7 claims
- 3277US7545116B2Driver for induction motor and method of driving the sameHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Jun 9, 2009·11 cites·14 claims
- 3377US7272004B2Frequency converterHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 18, 2007·6 cites·12 claims
- 3477US7222518B2Transformer monitoring systemHITACHI IND EQUIPMENT SYS·Filed 2006·Granted May 29, 2007·8 cites·3 claims
- 3576US7887289B2Blower systemHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Feb 15, 2011·8 cites·8 claims
- 3676US7699455B2Inkjet recording apparatusHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Apr 20, 2010·4 cites·4 claims
- 3776US7692344B2Polyphase claw pole type motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Apr 6, 2010·8 cites·15 claims
- 3875US9302482B2Inkjet printing deviceHITACHI IND EQUIPMENT SYS·Filed 2014·Granted Apr 5, 2016·2 cites·7 claims
- 3975US8974029B2Ink-jet recording apparatus and printing control methodHITACHI IND EQUIPMENT SYS·Filed 2013·Granted Mar 10, 2015·2 cites·20 claims
- 4075US7808202B2Beat-less controller for permanent magnet motorHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Oct 5, 2010·10 cites·10 claims
- 4175US7791244B2Multiphase claw-pole type electric rotary machine, cogging torque adjustment system of the same, generator system, and motor systemHITACHI IND EQUIPMENT SYS·Filed 2007·Granted Sep 7, 2010·7 cites·18 claims
- 4275US7090709B2Safety cabinet for antibiohazardHITACHI IND EQUIPMENT SYS·Filed 2003·Granted Aug 15, 2006·17 cites·8 claims
- 4374US7592734B2Three-phase permanent magnet brushless motorHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 22, 2009·7 cites·4 claims
- 4473US8375569B2Apparatus for manufacturing a transformer coreHITACHI IND EQUIPMENT SYS·Filed 2009·Granted Feb 19, 2013·7 cites·8 claims
- 4573US7992974B2Inkjet recording apparatusHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Aug 9, 2011·4 cites·17 claims
- 4673US7948347B2Multi-stage coil for transformer, and coil winding method and apparatus for manufacturing the sameHITACHI IND EQUIPMENT SYS·Filed 2010·Granted May 24, 2011·3 cites·18 claims
- 4772US9145892B2Water injected scroll air compressorHITACHI IND EQUIPMENT SYS·Filed 2014·Granted Sep 29, 2015·1 cites·16 claims
- 4872US9133846B2Scroll fluid machine having a sealed compression chamberHITACHI IND EQUIPMENT SYS·Filed 2013·Granted Sep 15, 2015·1 cites·19 claims
- 4972US7978044B2TransformerHITACHI IND EQUIPMENT SYS·Filed 2009·Granted Jul 12, 2011·5 cites·7 claims
- 5071USD753728SAir compressorHITACHI IND EQUIPMENT SYS·Filed 2015·Granted Apr 12, 2016·16 cites·1 claims
Showing the top 50 of 132 patent records by PatentIndex Score.
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