Toshihiro AKIYAMA

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Bearing mechanism, spindle motor including the bearing mechanism an...
- Patent number 9,739,312
- Issue date Aug 22, 2017
- Nidec Corporation
- Hirotoshi Uchibori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Spindle motor and disk drive apparatus
- Patent number 9,502,071
- Issue date Nov 22, 2016
- Nidec Corporation
- Kazuhiro Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Spindle motor and disk drive apparatus
- Patent number 9,165,594
- Issue date Oct 20, 2015
- Nidec Corporation
- Atsushi Yawata
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motor including rotor hub with recessed portion and disk drive appa...
- Patent number 8,824,096
- Issue date Sep 2, 2014
- Nidec Corporation
- Toshihiro Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Base unit, motor and disk drive apparatus
- Patent number 8,755,145
- Issue date Jun 17, 2014
- Nidec Corporation
- Takuro Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor and disk drive apparatus
- Patent number 8,665,557
- Issue date Mar 4, 2014
- Nidec Corporation
- Takuro Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor and disk drive apparatus
- Patent number 8,643,978
- Issue date Feb 4, 2014
- Nidec Corporation
- Takuro Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor and disk drive apparatus
- Patent number 8,593,759
- Issue date Nov 26, 2013
- Nidec Corporation
- Takuro Matsumoto
- G11 - INFORMATION STORAGE
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
Method of manufacturing spindle motor
- Patent number 8,191,232
- Issue date Jun 5, 2012
- Nidec Corporation
- Takuro Iguchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motor and recording disk drive apparatus
- Patent number 8,143,751
- Issue date Mar 27, 2012
- Nidec Corporation
- Takuro Iguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MOTOR AND DISK DRIVE DEVICE
- Publication number 20220416603
- Publication date Dec 29, 2022
- NIDEC CORPORATION
- Ryo MIYOSHI
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
- Publication number 20150138670
- Publication date May 21, 2015
- NIDEC CORPORATION
- Kazuhiro SATO
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
- Publication number 20150085398
- Publication date Mar 26, 2015
- NIDEC CORPORATION
- Atsushi YAWATA
- G11 - INFORMATION STORAGE
Information Patent Application
BEARING MECHANISM, SPINDLE MOTOR INCLUDING THE BEARING MECHANISM AN...
- Publication number 20150084463
- Publication date Mar 26, 2015
- NIDEC CORPORATION
- Hirotoshi UCHIBORI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SPINDLE MOTOR AND DISK DRIVE APPARATUS
- Publication number 20140153132
- Publication date Jun 5, 2014
- NIDEC CORPORATION
- Kazuhiro SATO
- G11 - INFORMATION STORAGE
Information Patent Application
BASE UNIT, MOTOR AND DISK DRIVE APPARATUS
- Publication number 20140009852
- Publication date Jan 9, 2014
- NIDEC CORPORATION
- Takuro MATSUMOTO
- G11 - INFORMATION STORAGE
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
MOTOR AND RECORDING DISK DRIVE APPARATUS
- Publication number 20100202080
- Publication date Aug 12, 2010
- NIDEC CORPORATION
- Takuro Iguchi
- 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
METHOD OF MANUFACTURING SPINDLE MOTOR, AND SPINDLE MOTOR
- Publication number 20090133244
- Publication date May 28, 2009
- NIDEC CORPORATION
- Takuro Iguchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Toshihiro AKIYAMA

Person

Patents Grantslast 30 patents

Bearing mechanism, spindle motor including the bearing mechanism an...

Spindle motor and disk drive apparatus

Spindle motor and disk drive apparatus

Motor including rotor hub with recessed portion and disk drive appa...

Base unit, motor and disk drive apparatus

Spindle motor and disk drive apparatus

Spindle motor and disk drive apparatus

Spindle motor and disk drive apparatus

Fluid dynamic pressure bearing device, spindle motor and disk drive...

Fluid dynamic pressure bearing device, spindle motor and disk drive...

Method of manufacturing spindle motor

Motor and recording disk drive apparatus

Patents Applicationslast 30 patents

MOTOR AND DISK DRIVE DEVICE

SPINDLE MOTOR AND DISK DRIVE APPARATUS

SPINDLE MOTOR AND DISK DRIVE APPARATUS

BEARING MECHANISM, SPINDLE MOTOR INCLUDING THE BEARING MECHANISM AN...

SPINDLE MOTOR AND DISK DRIVE APPARATUS

BASE UNIT, MOTOR AND DISK DRIVE APPARATUS

FLUID DYNAMIC PRESSURE BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE...

MOTOR AND RECORDING DISK DRIVE APPARATUS

FLUID DYNAMIC PRESSURE BEARING DEVICE, SPINDLE MOTOR AND DISK DRIVE...

METHOD OF MANUFACTURING SPINDLE MOTOR, AND SPINDLE MOTOR