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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →