HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 4013
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 3668
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3176
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 2955
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 2859
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 2537
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 2211
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 1510
 
  
 
B01D SEPARATION 11123
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS1163

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0058,452 Screw CompressorMar 31, 15Mar 01, 18[F04C]
2018/0050,535 Inkjet Recording DeviceAug 21, 17Feb 22, 18[B41J]
2018/0051,853 Pipeline Network Diagnosing DeviceJan 22, 16Feb 22, 18[G01M, G05B, F17D]
2018/0045,582 Temperature Traceable Indicator and Method for Manufacturing SameJan 29, 16Feb 15, 18[G01K, G09F, C09D]
2018/0039,719 Network Simulation Device, Network Simulation Method, and Network Simulation ProgramJan 19, 16Feb 08, 18[G06F]
2017/0352,466 Laminated Iron Core Structure and Transformer Including the SameDec 07, 15Dec 07, 17[H01F]
2017/0268,498 Multistage CompressorMar 03, 17Sep 21, 17[F04B]
2017/0194,823 Axial-Gap Dynamo-Electric MachineApr 14, 14Jul 06, 17[H02K]
2017/0155,290 Axial-Air-Gap Motor and Bobbin for MotorDec 19, 14Jun 01, 17[H02K]
2017/0120,615 Inkjet Recording DeviceDec 08, 14May 04, 17[B41J]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919722 Railroad vehicleFeb 12, 14Mar 20, 18[B61G, B60L, H01H]
9897103 CompressorJan 06, 15Feb 20, 18[F01K, F04C, F04D]
9899135 Reactor deviceAug 08, 13Feb 20, 18[H01F]
D809457 Transformer housingJul 28, 16Feb 06, 18[1302]
D809458 Transformer housingJul 28, 16Feb 06, 18[1302]
9849687 Inkjet recording deviceDec 08, 14Dec 26, 17[B41J]
9853518 Cantilevered-shaft electric motorDec 06, 12Dec 26, 17[H02K]
9818562 SwitchJun 26, 13Nov 14, 17[H01H]
9804605 Position identification device and mobile robot provided with sameMar 04, 14Oct 31, 17[G05D, G01S]
9790943 Scroll-type fluid machine with grease-lubricated orbiting bearingJan 29, 15Oct 17, 17[F04C, F03C, F01C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0103,843 WOUND IRON CORE FOR STATIC APPARATUS, AMORPHOUS TRANSFORMER AND COIL WINDING FRAME FOR TRANSFORMERAbandonedDec 22, 16Apr 13, 17[H01F]
2016/0361,926 Inkjet Recording DeviceAbandonedFeb 19, 16Dec 15, 16[B41J]
2016/0141,126 Electrical Contact for Vacuum Interrupter and Process for Producing SameAbandonedSep 05, 14May 19, 16[B22F, H01H, C22C]
9199452 Inkjet recording device and printing control method of sameWithdrawnMay 28, 13Dec 01, 15[B05C, B41J, B05B]
2015/0321,468 Ink Jet Recording ApparatusAbandonedJan 13, 15Nov 12, 15[B41J]
2015/0270,048 Molded TransformerAbandonedFeb 13, 15Sep 24, 15[H01F]
2015/0198,260 Operation Device, Vacuum Opening/Closing Device, and Method for Assembling Operation DeviceAbandonedJun 03, 13Jul 16, 15[F16K, H02K, B23P]
2015/0124,376 SWITCHGEAR AND SWITCHGEAR ASSEMBLING METHODAbandonedMay 20, 13May 07, 15[H02B, H01H]
2014/0292,864 Ink Jet Recording ApparatusAbandonedJan 14, 14Oct 02, 14[B41J]
2014/0187,675 Insulation Resin Material for High Voltage Equipment and High Voltage Equipment Using the SameAbandonedAug 28, 13Jul 03, 14[H01B]
8651839 Oil free screw compressorWithdrawnJul 28, 11Feb 18, 14[F04B]
2014/0020,553 Reciprocating CompressorAbandonedJul 09, 13Jan 23, 14[F01B]
2013/0342,136 POWER TRANSDUCERAbandonedAug 30, 13Dec 26, 13[H02P]
2013/0328,429 Motor Unit, and Dynamo-Electric Machine and Dynamo-Electric Machine Device that Use SameAbandonedDec 20, 11Dec 12, 13[H02K]
2013/0314,196 Wound Core Scot TransformerAbandonedFeb 21, 13Nov 28, 13[H01F]
2013/0147,596 Reactor DeviceAbandonedJul 06, 11Jun 13, 13[H01F]
2013/0089,413 Screw CompressorAbandonedAug 22, 12Apr 11, 13[F04D]
2013/0078,330 PRECISION PRESS DEVICE AND PRESS LOAD CONTROL METHOD THEREOFAbandonedSep 15, 12Mar 28, 13[B29C, B30B]
2013/0026,764 Transformer for Wind Power Generation and Wind Power Generation SystemAbandonedJul 25, 12Jan 31, 13[F03D, H01F]
2013/0000,795 Amorphous Core Annealing MethodAbandonedJan 18, 11Jan 03, 13[C21D]

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