EDWARDS JAPAN LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS5032
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 1451
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1250
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1196
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 664
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 681
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 344
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 222
 
  
 
B01D SEPARATION 1133
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0015,413 ABATEMENT DEVICENov 05, 15Jan 18, 18[C23C, B01D]
2016/0319,825 VACUUM EXHAUST MECHANISM, COMPOUND TYPE VACUUM PUMP, AND ROTATING BODY PARTOct 29, 14Nov 03, 16[F04D]
2016/0312,826 PROTECTIVE BEARING, BEARING UNIT, AND VACUUM PUMPSep 10, 14Oct 27, 16[F16C, F04D]
2016/0160,877 Vacuum PumpJun 06, 14Jun 09, 16[F04D]
2015/0303,836 ELECTROMAGNETIC ROTATING DEVICE AND VACUUM PUMP EQUIPPED WITH ELECTROMAGNETIC ROTATING DEVICEOct 09, 13Oct 22, 15[H02P, F04D]
2015/0240,822 STATOR-SIDE MEMBER AND VACUUM PUMPAug 26, 13Aug 27, 15[F04D]
2012/0141,254 VACUUM PUMP AND MEMBER USED FOR VACUUM PUMPMay 31, 10Jun 07, 12[F01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879553 Fixed blade assembly usable in exhaust pump, and exhaust pump provided with sameSep 13, 11Jan 30, 18[F04D, F01D]
9835170 Vacuum pump with fiber-reinforced resin cylinderNov 28, 12Dec 05, 17[F04D]
9816530 Splinter shield for vacuum pump, and vacuum pump with the splinter shieldJul 28, 11Nov 14, 17[F04B, F04D]
9790946 Exhaust pumpJul 21, 11Oct 17, 17[F04D]
9777612 Deposit detection device for exhaust pump and exhaust pumpMar 07, 13Oct 03, 17[F01N, H02P, F04C, F04D]
9759221 Vacuum pumpMay 20, 11Sep 12, 17[F04D]
9759233 Stator member and vacuum pumpOct 03, 12Sep 12, 17[F04D]
9534506 Reducing the influence of thermal expansion of connector pins on a substrate in a vacuum pumpJul 28, 11Jan 03, 17[F04B, F04D, F01D, H05K]
9453510 Vacuum pumpOct 18, 11Sep 27, 16[F04D]
9416784 Exhaust pumpJul 25, 11Aug 16, 16[F04B, F04D, F01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0184,669 VACUUM PUMP PART AND VACUUM PUMPAbandonedJul 24, 13Jul 02, 15[B24C, F04D]
2013/0309,076 Rotating Body of Vacuum Pump, Fixed Member Disposed Opposite Rotating Body, and Vacuum Pump Provided with Rotating Body and Fixed MemberAbandonedNov 28, 11Nov 21, 13[F04D]
2013/0209,272 VACUUM PUMP CONTROL DEVICE AND VACUUM PUMPAbandonedJul 28, 11Aug 15, 13[F04B]
2013/0064,730 GAS ABATEMENT SYSTEMAbandonedApr 27, 11Mar 14, 13[B01D]
2011/0200,460 VACUUM PUMPAbandonedAug 17, 09Aug 18, 11[F04B]
RE41035 Magnetic bearing device with vibration restraining function, magnetic bearing device with vibration estimating function, and pump device with the magnetic bearing devices mounted theretoExpiredDec 29, 05Dec 15, 09[H02K]
2008/0226,387 Structure for Connecting End Parts and Vacuum System Using the StructureAbandonedDec 14, 05Sep 18, 08[F16J]
7393228 Terminal structure and vacuum pumpExpiredJun 07, 06Jul 01, 08[H01R]
7292425 Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted theretoExpiredMar 23, 05Nov 06, 07[H02K]
7245097 Motor control system and vacuum pump equipped with the motor control systemExpiredSep 08, 04Jul 17, 07[H02P]
6991439 Vacuum pumpExpiredMar 10, 03Jan 31, 06[F04B]
6899529 Connecting structure for vacuum pumpExpiredAug 06, 02May 31, 05[F04B]
6854956 Turbo-molecular pumpExpiredMar 12, 03Feb 15, 05[F01D]
6851848 Turbo-molecular pump having radiation temperature apparatusExpiredMar 24, 03Feb 08, 05[G01K]
6832888 Molecular pump for forming a vacuumExpiredOct 22, 02Dec 21, 04[F04D]
6814536 Vacuum pumpExpiredNov 14, 02Nov 09, 04[F04D]
6629824 Vacuum pumpExpiredJul 26, 01Oct 07, 03[F04B]
6607365 Vacuum pump and vacuum apparatusExpiredAug 26, 99Aug 19, 03[F04B]
6419444 Screw groove type vacuum pump, complex vacuum pump and vacuum pump systemExpiredMay 16, 00Jul 16, 02[F04D]
6364604 Vacuum pump and vacuum apparatus equipped with vacuum pumpExpiredJul 06, 99Apr 02, 02[F03B]

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