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Hisaya Nakagawa
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Kyoto, JP
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Patents Grants
last 30 patents
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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
Fluid dynamic bearing device, spindle motor, and disk drive apparat...
Patent number
8,164,850
Issue date
Apr 24, 2012
Nidec Corporation
Masato Gomyo
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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
FLUID DYNAMIC BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE APPARATUS
Publication number
20090034118
Publication date
Feb 5, 2009
NIDEC CORPORATION
Masato Gomyo
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Bearing mechanism and spindle motor having the same
Publication number
20070242911
Publication date
Oct 18, 2007
NIDEC CORPORATION
Hisaya Nakagawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...