Inventor
OBARA RIKURO
JP82 patents
⚠️ This page may combine multiple inventors who share the name “OBARA RIKURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINEBEA KK
27 patentsUS6916160B2Jul 12, 2005
Axial electric fan blower with electric components housing sealed from moisture, dirt and dust or other harmful gas
MINEBEA KK40 citations93
US6563243B2May 13, 2003
Spindle motor
MINEBEA KK20 citations93
US6511303B2Jan 28, 2003
Fan blower with durable bearing structure
MINEBEA KK34 citations93
US6178061B1Jan 23, 2001
Hard disk drive unit and method of manufacturing the same
MINEBEA KK25 citations93
US5765275AJun 16, 1998
Method of manufacturing hard disk drive unit
MINEBEA KK26 citations93
US5698919ADec 16, 1997
Integral bearing type electric motor
MINEBEA KK37 citations93
US5556209ASep 17, 1996
Double-row ball bearing
MINEBEA KK21 citations92
US6599020B2Jul 29, 2003
Double seal bearing
MINEBEA KK13 citations84
US6512316B2Jan 28, 2003
Spindle motor
MINEBEA KK13 citations84
US6379129B1Apr 30, 2002
Blower
MINEBEA KK18 citations84
US6181513B1Jan 30, 2001
Spindle motor and a hard disk drive apparatus including such a motor
MINEBEA KK15 citations84
US5808388ASep 15, 1998
Electric drive motor with a compound bearing assembly
MINEBEA KK20 citations84
US6794774B2Sep 21, 2004
Spindle motor
MINEBEA KK11 citations74
US6734591B2May 11, 2004
Spindle motor
MINEBEA KK10 citations74
US6538354B2Mar 25, 2003
Spindle motor with toroidal sealing plates
MINEBEA KK10 citations74
US6129454AOct 10, 2000
Compound bearing assembly and method and manufacturing the same
MINEBEA KK9 citations74
US5967671AOct 19, 1999
Bearing structure for motor and motor with the bearing structure
MINEBEA KK13 citations74
US5841210ANov 24, 1998
Electric drive motor with a compound bearing assembly
MINEBEA KK13 citations74
US5820273AOct 13, 1998
Hard disc drive with a compound bearing assembly
MINEBEA KK7 citations74
US5655846AAug 12, 1997
Bearing assembly and method of manufacturing the same
MINEBEA KK13 citations74
US5649442AJul 22, 1997
Method of manufacturing casing base for hard disc drive device
MINEBEA KK9 citations74
US6050728AApr 18, 2000
Compound ball bearing type pulley
MINEBEA KK11 citations73
US6050729AApr 18, 2000
Compound ball bearing
MINEBEA KK7 citations73
US5843369ADec 1, 1998
Stainless steel for anti-friction bearing and method of making
MINEBEA KK14 citations73
US5826989AOct 27, 1998
Compound ball bearing
MINEBEA KK10 citations73
US5803618ASep 8, 1998
Compound ball bearing
MINEBEA KK8 citations73
US5560717AOct 1, 1996
Compound ball bearing
MINEBEA KK8 citations73
MINEBEA CO LTD
22 patentsUS7510330B2Mar 31, 2009
Fluid dynamic bearing and a storage disk drive with a spindle motor having the fluid dynamic bearing
MINEBEA CO LTD20 citations93
US6420809B1Jul 16, 2002
Bearing structure for flat motor
MINEBEA CO LTD24 citations93
US6308772B1Oct 30, 2001
Heat sink
MINEBEA CO LTD19 citations93
US6246137B1Jun 12, 2001
Spindle motor
MINEBEA CO LTD19 citations93
US6176620B1Jan 23, 2001
Composite bearing structure
MINEBEA CO LTD34 citations93
US6799893B2Oct 5, 2004
Special type bearing device
MINEBEA CO LTD20 citations92
US6655847B2Dec 2, 2003
Pivot bearing assembly
MINEBEA CO LTD35 citations92
US6395677B1May 28, 2002
Material for bearing retainer
MINEBEA CO LTD25 citations92
US6965493B2Nov 15, 2005
Hydrodynamic pressure bearing system and spindle motor using the same
MINEBEA CO LTD15 citations84
US6777360B2Aug 17, 2004
Ceramic material, method of producing same, and formed product thereof
MINEBEA CO LTD14 citations84
US6573215B2Jun 3, 2003
Material for bearing rolling element
MINEBEA CO LTD14 citations84
US6102575AAug 15, 2000
Compound bearing apparatus
MINEBEA CO LTD19 citations84
US7306374B2Dec 11, 2007
Special type bearing device
MINEBEA CO LTD8 citations74
US7168857B2Jan 30, 2007
Special type bearing device
MINEBEA CO LTD5 citations74
US6787075B2Sep 7, 2004
Method of making synthetic resin composition with lubricative underwater properties containing RBC or CRBC fine powder
MINEBEA CO LTD9 citations74
US6712517B2Mar 30, 2004
Sleeve bearing arrangement
MINEBEA CO LTD8 citations74
US6657340B2Dec 2, 2003
Motor and method of manufacturing the same
MINEBEA CO LTD12 citations74
US6527447B2Mar 4, 2003
Sliding of polycrystallized glass
MINEBEA CO LTD4 citations74
US6402387B2Jun 11, 2002
Double seal bearing
MINEBEA CO LTD6 citations74
US5952753ASep 14, 1999
Motor
MINEBEA CO LTD9 citations74
US5933292AAug 3, 1999
Bearing structure for a hard disk drive device
MINEBEA CO LTD8 citations74
US6229237B1May 8, 2001
Spindle motor
MINEBEA CO LTD9 citations73
(unassigned)
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