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Kazuyoshi SAITO
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Kyoto, JP
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Patents Grants
last 30 patents
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Patent Grant
Fluid bearing apparatus including dynamic pressure grooves with str...
Patent number
9,422,974
Issue date
Aug 23, 2016
Nidec Corporation
Kazuyoshi Saito
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Spindle motor including magnetic member and disk drive apparatus in...
Patent number
8,508,884
Issue date
Aug 13, 2013
Nidec Corporation
Yoichi Sekii
G11 - INFORMATION STORAGE
Information
Patent Grant
Spindle motor including annular magnetic member and disk drive appa...
Patent number
8,358,483
Issue date
Jan 22, 2013
Nidec Corporation
Yoichi Sekii
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluid dynamic bearing, motor, and recording disk drive apparatus
Patent number
8,240,920
Issue date
Aug 14, 2012
Nidec Corporation
Yoichi Sekii
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bearing device, spindle motor and disk drive apparatus
Patent number
8,148,862
Issue date
Apr 3, 2012
Nidec Corporation
Hirokazu Shirai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
FLUID BEARING APPARATUS, SPINDLE MOTOR, AND DISK DRIVE APPARATUS
Publication number
20160153490
Publication date
Jun 2, 2016
NIDEC CORPORATION
Kazuyoshi SAITO
G11 - INFORMATION STORAGE
Information
Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
Publication number
20130094342
Publication date
Apr 18, 2013
NIDEC CORPORATION
Yoichi SEKII
G11 - INFORMATION STORAGE
Information
Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
Publication number
20110134566
Publication date
Jun 9, 2011
NIDEC CORPORATION
Yoichi SEKII
G11 - INFORMATION STORAGE
Information
Patent Application
BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE APPARATUS
Publication number
20100148607
Publication date
Jun 17, 2010
NIDEC CORPORATION
Hirokazu SHIRAI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
FLUID DYNAMIC BEARING, MOTOR, AND RECORDING DISK DRIVE APPARATUS
Publication number
20100033870
Publication date
Feb 11, 2010
NIDEC CORPORATION
Yoichi Sekii
G11 - INFORMATION STORAGE
Information
Patent Application
PRODUCTION METHOD OF SPINDLE MOTOR AND SPINDLE MOTOR
Publication number
20080307447
Publication date
Dec 11, 2008
NIDEC CORPORATION
Masato GOMYO
G11 - INFORMATION STORAGE