Tadashi Akahori

Person

Kitasaku-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fluid dynamic bearing, spindle motor, hard disk drive device
- Patent number 12,158,180
- Issue date Dec 3, 2024
- MINEBEA MITSUMI INC.
- Tadashi Akahori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Base member and method of manufacturing the same, spindle motor, an...
- Patent number 11,651,798
- Issue date May 16, 2023
- MINEBEA MITSUMI INC.
- Akihiko Suzuki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Spindle motor, hard disk drive device, and method of manufacturing...
- Patent number 10,666,100
- Issue date May 26, 2020
- MINEBEA MITSUMI INC.
- Tadashi Akahori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fluid dynamic pressure bearing device, spindle motor provided with...
- Patent number 7,661,882
- Issue date Feb 16, 2010
- Minebea Co., Ltd.
- Rikuro Obara
- G11 - INFORMATION STORAGE
Information Patent Grant
Fluid dynamic bearing mechanism for a motor
- Patent number 7,654,744
- Issue date Feb 2, 2010
- Minebea Co., Ltd.
- Rikuro Obara
- G11 - INFORMATION STORAGE
Information Patent Grant
Production method for sintered bearing member, fluid dynamic pressu...
- Patent number 7,251,891
- Issue date Aug 7, 2007
- Hitachi Powdered Metals Co., Ltd.
- Katsutoshi Nii
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing system for a rotary bearing of spindle motors
- Patent number 7,144,161
- Issue date Dec 5, 2006
- Minebea Co., Ltd.
- Andreas Kull
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Spindle motor for driving disc
- Patent number 6,469,410
- Issue date Oct 22, 2002
- Minebea Co., Ltd.
- Tadashi Akahori
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle motor having an extended outer ring above a hub
- Patent number 6,455,965
- Issue date Sep 24, 2002
- Minebea Co., Ltd.
- Tadashi Akahori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FLUID DYNAMIC BEARING, SPINDLE MOTOR, HARD DISK DRIVE DEVICE
- Publication number 20230175549
- Publication date Jun 8, 2023
- MINEBEA MITSUMI INC.
- Tadashi AKAHORI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BASE MEMBER AND METHOD OF MANUFACTURING THE SAME, SPINDLE MOTOR, AN...
- Publication number 20220130428
- Publication date Apr 28, 2022
- MINEBEA MITSUMI INC.
- Akihiko SUZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
SPINDLE MOTOR
- Publication number 20200005826
- Publication date Jan 2, 2020
- MINEBEA MITSUMI INC.
- Hideaki SHOWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SPINDLE MOTOR, HARD DISK DRIVE DEVICE, AND METHOD OF MANUFACTURING...
- Publication number 20180123413
- Publication date May 3, 2018
- MINEBEA MITSUMI INC.
- Tadashi AKAHORI
- G11 - INFORMATION STORAGE
Information Patent Application
Fluid Dynamic Pressure Bearing Device, Spindle Motor Provided with...
- Publication number 20080095480
- Publication date Apr 24, 2008
- MINEBEA CO., LTD.
- Rikuro Obara
- G11 - INFORMATION STORAGE
Information Patent Application
Fluid Dynamic Pressure Bearing, Spindle Motor with the Fluid Dynami...
- Publication number 20070258670
- Publication date Nov 8, 2007
- MINEBEA CO., LTD.
- Tadashi Akahori
- G11 - INFORMATION STORAGE
Information Patent Application
Fluid Dynamic Bearing Mechanism for a Motor
- Publication number 20070211971
- Publication date Sep 13, 2007
- Rikuro Obara
- G11 - INFORMATION STORAGE
Information Patent Application
Fluid Dynamic Pressure Bearing, Spindle Motor Provided with the Flu...
- Publication number 20070206889
- Publication date Sep 6, 2007
- Minebea Co.,Ltd
- Rikuro Obara
- G11 - INFORMATION STORAGE
Information Patent Application
Fluid dynamic pressure bearing device, spindle motor provided with...
- Publication number 20060188186
- Publication date Aug 24, 2006
- MINEBEA CO., LTD.
- Tadashi Akahori
- G11 - INFORMATION STORAGE
Information Patent Application
Production method for sintered bearing member, fluid dynamic pressu...
- Publication number 20050259898
- Publication date Nov 24, 2005
- Katsutoshi Nii
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing system for a rotary bearing of spindle motors
- Publication number 20040028301
- Publication date Feb 12, 2004
- MINEBEA CO., LTD.
- Andreas Kull
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Spindle motor
- Publication number 20020008432
- Publication date Jan 24, 2002
- MINEBEA CO., LTD.
- Tadashi Akahori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Spindle motor for driving disc
- Publication number 20010054854
- Publication date Dec 27, 2001
- MINEBEA CO., LTD.
- Tadashi Akahori
- G11 - INFORMATION STORAGE

Tadashi Akahori

Person

Patents Grantslast 30 patents

Fluid dynamic bearing, spindle motor, hard disk drive device

Base member and method of manufacturing the same, spindle motor, an...

Spindle motor, hard disk drive device, and method of manufacturing...

Fluid dynamic pressure bearing device, spindle motor provided with...

Fluid dynamic bearing mechanism for a motor

Production method for sintered bearing member, fluid dynamic pressu...

Hydrodynamic bearing system for a rotary bearing of spindle motors

Spindle motor for driving disc

Spindle motor having an extended outer ring above a hub

Patents Applicationslast 30 patents

FLUID DYNAMIC BEARING, SPINDLE MOTOR, HARD DISK DRIVE DEVICE

BASE MEMBER AND METHOD OF MANUFACTURING THE SAME, SPINDLE MOTOR, AN...

SPINDLE MOTOR

SPINDLE MOTOR, HARD DISK DRIVE DEVICE, AND METHOD OF MANUFACTURING...

Fluid Dynamic Pressure Bearing Device, Spindle Motor Provided with...

Fluid Dynamic Pressure Bearing, Spindle Motor with the Fluid Dynami...

Fluid Dynamic Bearing Mechanism for a Motor

Fluid Dynamic Pressure Bearing, Spindle Motor Provided with the Flu...

Fluid dynamic pressure bearing device, spindle motor provided with...

Production method for sintered bearing member, fluid dynamic pressu...

Hydrodynamic bearing system for a rotary bearing of spindle motors

Spindle motor

Spindle motor for driving disc