Minebea Kabushiki-Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 1159
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 4103
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 233
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 2136
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
C22C ALLOYS 171
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6599020 Double seal bearingDec 10, 01Jul 29, 03[F16C]
6556375 Hard disk drive deviceSep 23, 02Apr 29, 03[G11B]
6474871 Anti-friction bearing and a motor including such a bearingNov 28, 01Nov 05, 02[F16C]
6402387 Double seal bearingJul 17, 98Jun 11, 02[F16C, B21D]
6371653 Anti-friction bearing and a motor including such a bearingOct 06, 99Apr 16, 02[F16C]
6068407 Seal for an anti-friction bearingJun 11, 99May 30, 00[F16C, F02F]
6033120 Compound bearing assembly for swing arm of hand disc driveOct 24, 96Mar 07, 00[F16C]
5957591 Anti-friction bearingNov 19, 96Sep 28, 99[F16C, F02F]
5843369 Stainless steel for anti-friction bearing and method of makingDec 19, 96Dec 01, 98[C22C]
5698919 Integral bearing type electric motorOct 23, 95Dec 16, 97[H02K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7056030 Pivot bearing for a swing arm of a hard disk drive deviceExpiredAug 27, 02Jun 06, 06[F16C]
6916160 Axial electric fan blower with electric components housing sealed from moisture, dirt and dust or other harmful gasExpiredMar 13, 01Jul 12, 05[F04B]
6794774 Spindle motorExpiredDec 12, 02Sep 21, 04[H02K]
6734591 Spindle motorExpiredMar 21, 03May 11, 04[H02K]
6688772 Retainer for ball bearing, and ball bearing including the sameExpiredJul 03, 02Feb 10, 04[F16C]
2003/0206,672 Compound bearing apparatus, and spindle motor and swing arm for hard disk drive means including such bearing apparatusAbandonedApr 29, 03Nov 06, 03[F16C]
6599021 Compound bearing apparatusExpiredMay 30, 01Jul 29, 03[F16C]
6599022 Bearing apparatusExpiredMay 30, 01Jul 29, 03[F16C]
6582129 Compound bearing apparatus, and spindle motor and swing arm for hard disk drive means including such bearing apparatusExpiredAug 20, 01Jun 24, 03[F16C]
2003/0093,903 Method for manufacturing outer ring and inner ring of bearingAbandonedNov 20, 02May 22, 03[B23P, B21K, B21D]
6563243 Spindle motorExpiredJul 03, 01May 13, 03[H02K]
6538354 Spindle motor with toroidal sealing platesExpiredOct 19, 98Mar 25, 03[H02K]
2003/0045,215 Method for working magnetic disk mount portion of motor hub of the hard disk drive apparatus, thus obtained motor hub, and motor including the sameAbandonedAug 27, 02Mar 06, 03[B24B]
6511303 Fan blower with durable bearing structureExpiredJun 29, 01Jan 28, 03[F04B]
6512316 Spindle motorExpiredMar 01, 01Jan 28, 03[H02K, F16C]
2002/0125,778 MotorAbandonedMar 08, 02Sep 12, 02[H02K]
2002/0121,824 MotorAbandonedFeb 27, 02Sep 05, 02[H02K]
2002/0121,825 MotorAbandonedMar 05, 02Sep 05, 02[H02K]
2002/0118,491 Swing arm assemblyAbandonedFeb 22, 02Aug 29, 02[G11B]
6379129 BlowerExpiredSep 25, 00Apr 30, 02[F04B]

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