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Shinya Tokunaga
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Koga-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fluid dynamic pressure bearing and recording disk drive device comp...
Patent number
7,380,989
Issue date
Jun 3, 2008
Nidec Corporation
Itsuo Murata
G11 - INFORMATION STORAGE
Information
Patent Grant
Spindle motor and recording disk driving apparatus having the spind...
Patent number
7,015,611
Issue date
Mar 21, 2006
Nidec Corporation
Shinya Tokunaga
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 furnished therewith
Patent number
6,768,236
Issue date
Jul 27, 2004
Nidec Corporation
Shinya Tokunaga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Spindle motor
Patent number
6,674,200
Issue date
Jan 6, 2004
Nidec Corporation
Shinya Tokunaga
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Fluid Dynamic Pressure Bearing and Recording Disk Drive Device Comp...
Publication number
20050244086
Publication date
Nov 3, 2005
NIDEC CORPORATION
Itsuo Murata
G11 - INFORMATION STORAGE
Information
Patent Application
Spindle Motor and Recording Disk Driving Apparatus Having the Spind...
Publication number
20050116564
Publication date
Jun 2, 2005
NIDEC CORPORATION
Shinya Tokunaga
G11 - INFORMATION STORAGE
Information
Patent Application
SPINDLE MOTOR AND DISK DRIVE FURNISHED THEREWITH
Publication number
20040113501
Publication date
Jun 17, 2004
NIDEC CORPORATION
Shinya Tokunaga
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
Publication number
20020195894
Publication date
Dec 26, 2002
Shinya Tokunaga
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...