Yoshito Oku

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fluid dynamic-pressure bearing device and spindle motor
- Patent number 7,578,621
- Issue date Aug 25, 2009
- Nidec Corporation
- Hideki Nishimura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fluid dynamic-pressure bearing device and spindle motor
- Patent number 7,290,934
- Issue date Nov 6, 2007
- Nidec Corporation
- Hideki Nishimura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sealing method for through hole formed in metal housing
- Patent number 7,254,882
- Issue date Aug 14, 2007
- Nidec Corporation
- Tokichi Ito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Lead wire sealing device, recording disk drive, and method for seal...
- Patent number 7,105,963
- Issue date Sep 12, 2006
- Nidec Corporation
- Tokichi Ito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hydrodynamic bearing, spindle motor using the same and disc drive a...
- Patent number 7,059,772
- Issue date Jun 13, 2006
- Nidec Corporation
- Yoshito Oku
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor and disk drive furnished therewith
- Patent number 6,914,358
- Issue date Jul 5, 2005
- Nidec Corporation
- Shinya Tokunaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Spindle motor and disk drive utilizing the spindle motor
- Patent number 6,888,278
- Issue date May 3, 2005
- Nidec Corporation
- Hideki Nishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor and disk drive utilizing the spindle motor
- Patent number 6,836,388
- Issue date Dec 28, 2004
- Nidec Corporation
- Hideki Nishimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor, and disk drive utilizing the spindle motor
- Patent number 6,781,268
- Issue date Aug 24, 2004
- Nidec Corporation
- Yoshito Oku
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor design facilitating and ensuring precise assembly of...
- Patent number 6,097,121
- Issue date Aug 1, 2000
- Nidec Corporation
- Yoshito Oku
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor
- Patent number 5,831,355
- Issue date Nov 3, 1998
- Nidec Corporation
- Yoshito Oku
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor
- Patent number 5,559,382
- Issue date Sep 24, 1996
- Nidec Corporation
- Yoshito Oku
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Low profile hydrodynamic motor having minimum leakage properties
- Patent number 5,457,588
- Issue date Oct 10, 1995
- Nippon Densan Corporation
- Shinobu Hattori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spindle motor with precision bearings
- Patent number 4,980,587
- Issue date Dec 25, 1990
- Nippon Densan Corporation
- Hiroyuki Yonei
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FLUID DYNAMIC-PRESSURE BEARING DEVICE AND SPINDLE MOTOR
- Publication number 20080056104
- Publication date Mar 6, 2008
- NIDEC CORPORATION
- Hideki Nishimura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Lead wire sealing device, recording disk drive, and method for seal...
- Publication number 20060265871
- Publication date Nov 30, 2006
- NIDEC CORPORATION
- Tokichi Ito
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Lead wire sealing device, recording disk drive, and method for seal...
- Publication number 20060138886
- Publication date Jun 29, 2006
- NIDEC CORPORATION
- Tokichi Ito
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Fluid Dynamic-Pressure Bearing Device and Spindle Motor
- Publication number 20060051001
- Publication date Mar 9, 2006
- NIDEC CORPORATION
- Hideki Nishimura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METHOD OF MANUFACTURING BEARING DEVICE, BEARING DEVICE, MOTOR AND R...
- Publication number 20050108878
- Publication date May 26, 2005
- NIDEC CORPORATION
- Hideki Nishimura
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE SPINDLE MOTOR WITH RADIAL INWARD THRUST AREA ANNULAR PRU...
- Publication number 20050099722
- Publication date May 12, 2005
- Nidec Corporation
- Hideki Nishimura
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing, spindle motor using the same and disc drive a...
- Publication number 20040165797
- Publication date Aug 26, 2004
- NIDEC CORPORATION
- Yoshito Oku
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE UTILIZING THE SPINDLE MOTOR
- Publication number 20040104634
- Publication date Jun 3, 2004
- NIDEC CORPORATION
- Hideki Nishimura
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE FURNISHED THEREWITH
- Publication number 20030230943
- Publication date Dec 18, 2003
- NIDEC CORPORATION
- Shinya Tokunaga
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SPINDLE MOTOR, AND DISK DRIVE UTILIZING THE SPINDLE MOTOR
- Publication number 20030197438
- Publication date Oct 23, 2003
- Nidec Corporation
- Yoshito Oku
- G11 - INFORMATION STORAGE
Information Patent Application
Spindle motor and disk drive utilizing the spindle motor
- Publication number 20030048575
- Publication date Mar 13, 2003
- Hideki Nishimura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Yoshito Oku

Person

Patents Grantslast 30 patents

Fluid dynamic-pressure bearing device and spindle motor

Fluid dynamic-pressure bearing device and spindle motor

Sealing method for through hole formed in metal housing

Lead wire sealing device, recording disk drive, and method for seal...

Hydrodynamic bearing, spindle motor using the same and disc drive a...

Spindle motor and disk drive furnished therewith

Spindle motor and disk drive utilizing the spindle motor

Spindle motor and disk drive utilizing the spindle motor

Spindle motor, and disk drive utilizing the spindle motor

Spindle motor design facilitating and ensuring precise assembly of...

Spindle motor

Spindle motor

Low profile hydrodynamic motor having minimum leakage properties

Spindle motor with precision bearings

Patents Applicationslast 30 patents

FLUID DYNAMIC-PRESSURE BEARING DEVICE AND SPINDLE MOTOR

Lead wire sealing device, recording disk drive, and method for seal...

Lead wire sealing device, recording disk drive, and method for seal...

Fluid Dynamic-Pressure Bearing Device and Spindle Motor

METHOD OF MANUFACTURING BEARING DEVICE, BEARING DEVICE, MOTOR AND R...

DISK DRIVE SPINDLE MOTOR WITH RADIAL INWARD THRUST AREA ANNULAR PRU...

Hydrodynamic bearing, spindle motor using the same and disc drive a...

SPINDLE MOTOR AND DISK DRIVE UTILIZING THE SPINDLE MOTOR

SPINDLE MOTOR AND DISK DRIVE FURNISHED THEREWITH

SPINDLE MOTOR, AND DISK DRIVE UTILIZING THE SPINDLE MOTOR

Spindle motor and disk drive utilizing the spindle motor