Hironao SASAKI

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fluid dynamic pressure bearing device, spindle motor and disk drive...
- Patent number 8,284,513
- Issue date Oct 9, 2012
- Nidec Corporation
- Yoichi Sekii
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid dynamic pressure bearing device, spindle motor and disk drive...
- Patent number 8,284,515
- Issue date Oct 9, 2012
- Nidec Corporation
- Yoichi Sekii
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid dynamic pressure bearing device, spindle motor and disk drive...
- Patent number 8,144,423
- Issue date Mar 27, 2012
- Nidec Corporation
- Yoichi Sekii
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FLUID DYNAMIC PRESSURE BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE...
- Publication number 20110299193
- Publication date Dec 8, 2011
- NIDEC CORPORATION
- Yoichi SEKII
- G11 - INFORMATION STORAGE
Information Patent Application
FLUID DYNAMIC PRESSURE BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE...
- Publication number 20100195250
- Publication date Aug 5, 2010
- NIDEC CORPORATION
- Yoichi SEKII
- G11 - INFORMATION STORAGE
Information Patent Application
FLUID DYNAMIC PRESSURE BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE...
- Publication number 20090279816
- Publication date Nov 12, 2009
- NIDEC CORPORATION
- Masato Gomyo
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
FLUID DYNAMIC PRESSURE BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE...
- Publication number 20090231754
- Publication date Sep 17, 2009
- NIDEC CORPORATION
- Yoichi Sekii
- G11 - INFORMATION STORAGE