Hiroaki Saito

Person

Ehime, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hydrodynamic bearing device, and spindle motor equipped with same
- Patent number 8,033,732
- Issue date Oct 11, 2011
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing type rotary device and recording and reproduci...
- Patent number 7,950,854
- Issue date May 31, 2011
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing device, spindle motor, and recording and repro...
- Patent number 7,940,492
- Issue date May 10, 2011
- Panasonic Corporation
- Koji Hirata
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing type rotary device
- Patent number 7,901,139
- Issue date Mar 8, 2011
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing type rotary device and recording and reproduci...
- Patent number 7,883,270
- Issue date Feb 8, 2011
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing rotary device and information apparatus
- Patent number 7,862,238
- Issue date Jan 4, 2011
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing device and disk rotation apparatus
- Patent number 7,830,637
- Issue date Nov 9, 2010
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing type rotary device and recording and reproduct...
- Patent number 7,740,407
- Issue date Jun 22, 2010
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing rotary device
- Patent number 7,674,043
- Issue date Mar 9, 2010
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing device and spindle motor having the bearing de...
- Patent number 7,622,837
- Issue date Nov 24, 2009
- Panasonic Corporation
- Hiroaki Saito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hydrodynamic bearing device and disk rotating apparatus
- Patent number 7,589,934
- Issue date Sep 15, 2009
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing type rotary device and recording and reproduct...
- Patent number 7,527,432
- Issue date May 5, 2009
- Panasonic Corporation
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing device and disk rotating apparatus
- Patent number 7,492,548
- Issue date Feb 17, 2009
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing device, motor, and disk driving apparatus
- Patent number 7,473,034
- Issue date Jan 6, 2009
- Panasonic Corporation
- Hiroaki Saito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hard disk drive device, and fluid dynamic bearing spindle motor and...
- Patent number 7,365,940
- Issue date Apr 29, 2008
- Matsushita Electric Industrial Co., Ltd.
- Takeyoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Hydrodynamic bearing and disc rotation apparatus using the same
- Patent number 7,237,956
- Issue date Jul 3, 2007
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydrodynamic bearing and disc rotation apparatus using the same
- Patent number 7,237,955
- Issue date Jul 3, 2007
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Grant
Hydrodynamic bearing and disk recording/reproducing apparatus havin...
- Patent number 7,196,868
- Issue date Mar 27, 2007
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Grant
Hydrodynamic bearing and disk recording/reproducing apparatus
- Patent number 7,102,851
- Issue date Sep 5, 2006
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Grant
Fluid dynamic bearing device and motor including the device
- Patent number 7,011,450
- Issue date Mar 14, 2006
- Matsushita Electric Industrial Co., Ltd.
- Keigo Kusaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Hydrodynamic bearing and disk apparatus
- Patent number 6,760,187
- Issue date Jul 6, 2004
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Grant
Hydrodynamic bearing
- Patent number 6,196,722
- Issue date Mar 6, 2001
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk rotating device having dynamic-pressure fluid bearings
- Patent number 5,504,637
- Issue date Apr 2, 1996
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Magnetic recording apparatus with air vane actuated regulating memb...
- Patent number 5,274,519
- Issue date Dec 28, 1993
- Matsushita Electric Industrial Co., Ltd.
- Hiroaki Saito
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
HYDRODYNAMIC BEARING DEVICE AND DISK ROTATION APPARATUS
- Publication number 20100085661
- Publication date Apr 8, 2010
- PANASONIC CORPORATION
- Takafumi ASADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND INFORMATION RECORDI...
- Publication number 20090154852
- Publication date Jun 18, 2009
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Application
HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR EQUIPPED WITH SAME
- Publication number 20090028474
- Publication date Jan 29, 2009
- Takafumi ASADA
- G11 - INFORMATION STORAGE
Information Patent Application
HYDRODYNAMIC BEARING DEVICE, AND RECORDING AND REPRODUCING APPARATU...
- Publication number 20080304775
- Publication date Dec 11, 2008
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HYDRODYNAMIC BEARING DEVICE AND DISK ROTATING APPARATUS
- Publication number 20080304776
- Publication date Dec 11, 2008
- Matsushita Electric Industrial Co., Ltd.
- Takafumi ASADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HYDRODYNAMIC BEARING, AND HYDRODYNAMIC BEARING-TYPE ROTARY DEVICE A...
- Publication number 20080212907
- Publication date Sep 4, 2008
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing type rotary device and recording and reproduci...
- Publication number 20080124013
- Publication date May 29, 2008
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND RECORDING AND REPRO...
- Publication number 20080112306
- Publication date May 15, 2008
- Koji HIRATA
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing type rotary device and recording and reproduci...
- Publication number 20080080797
- Publication date Apr 3, 2008
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing type rotary device
- Publication number 20080008408
- Publication date Jan 10, 2008
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing type rotary device and recording and reproduct...
- Publication number 20070253650
- Publication date Nov 1, 2007
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing rotary device and information apparatus
- Publication number 20070230840
- Publication date Oct 4, 2007
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing type rotary device
- Publication number 20070217721
- Publication date Sep 20, 2007
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing type rotary device and recording and reproduct...
- Publication number 20070140605
- Publication date Jun 21, 2007
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing type rotary device and recording and reproduct...
- Publication number 20070047859
- Publication date Mar 1, 2007
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing device, motor, and disk driving apparatus
- Publication number 20070024136
- Publication date Feb 1, 2007
- Hiroaki Saito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing device and disk rotating apparatus
- Publication number 20060274448
- Publication date Dec 7, 2006
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing device and spindle motor having the bearing de...
- Publication number 20060255675
- Publication date Nov 16, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hiroaki Saito
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing device, motor and disc driving apparatus
- Publication number 20060029312
- Publication date Feb 9, 2006
- Hiroyuki Kiriyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hard disk drive device, and fluid dynamic bearing spindle motor and...
- Publication number 20060002011
- Publication date Jan 5, 2006
- Matsushita Electric Industrial Co., Ltd.
- Takeyoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing and disc rotation apparatus using the same
- Publication number 20040184689
- Publication date Sep 23, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing and disk recording/reproducing apparatus
- Publication number 20040184188
- Publication date Sep 23, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing and disk recording/reproducing apparatus
- Publication number 20040179294
- Publication date Sep 16, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Application
Fluid dynamic bearing device and motor including the device
- Publication number 20040161182
- Publication date Aug 19, 2004
- Keigo Kusaka
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing and disc rotation apparatus using the same
- Publication number 20040136625
- Publication date Jul 15, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing and disk drive apparatus
- Publication number 20020191333
- Publication date Dec 19, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takafumi Asada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Hiroaki Saito

Person

Patents Grantslast 30 patents

Hydrodynamic bearing device, and spindle motor equipped with same

Hydrodynamic bearing type rotary device and recording and reproduci...

Hydrodynamic bearing device, spindle motor, and recording and repro...

Hydrodynamic bearing type rotary device

Hydrodynamic bearing type rotary device and recording and reproduci...

Hydrodynamic bearing rotary device and information apparatus

Hydrodynamic bearing device and disk rotation apparatus

Hydrodynamic bearing type rotary device and recording and reproduct...

Hydrodynamic bearing rotary device

Hydrodynamic bearing device and spindle motor having the bearing de...

Hydrodynamic bearing device and disk rotating apparatus

Hydrodynamic bearing type rotary device and recording and reproduct...

Hydrodynamic bearing device and disk rotating apparatus

Hydrodynamic bearing device, motor, and disk driving apparatus

Hard disk drive device, and fluid dynamic bearing spindle motor and...

Hydrodynamic bearing and disc rotation apparatus using the same

Hydrodynamic bearing and disc rotation apparatus using the same

Hydrodynamic bearing and disk recording/reproducing apparatus havin...

Hydrodynamic bearing and disk recording/reproducing apparatus

Fluid dynamic bearing device and motor including the device

Hydrodynamic bearing and disk apparatus

Hydrodynamic bearing

Disk rotating device having dynamic-pressure fluid bearings

Magnetic recording apparatus with air vane actuated regulating memb...

Patents Applicationslast 30 patents

HYDRODYNAMIC BEARING DEVICE AND DISK ROTATION APPARATUS

HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND INFORMATION RECORDI...

HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR EQUIPPED WITH SAME

HYDRODYNAMIC BEARING DEVICE, AND RECORDING AND REPRODUCING APPARATU...

HYDRODYNAMIC BEARING DEVICE AND DISK ROTATING APPARATUS

HYDRODYNAMIC BEARING, AND HYDRODYNAMIC BEARING-TYPE ROTARY DEVICE A...

Hydrodynamic bearing type rotary device and recording and reproduci...

HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND RECORDING AND REPRO...

Hydrodynamic bearing type rotary device and recording and reproduci...

Hydrodynamic bearing type rotary device

Hydrodynamic bearing type rotary device and recording and reproduct...

Hydrodynamic bearing rotary device and information apparatus

Hydrodynamic bearing type rotary device

Hydrodynamic bearing type rotary device and recording and reproduct...

Hydrodynamic bearing type rotary device and recording and reproduct...

Hydrodynamic bearing device, motor, and disk driving apparatus

Hydrodynamic bearing device and disk rotating apparatus

Hydrodynamic bearing device and spindle motor having the bearing de...

Hydrodynamic bearing device, motor and disc driving apparatus

Hard disk drive device, and fluid dynamic bearing spindle motor and...

Hydrodynamic bearing and disc rotation apparatus using the same

Hydrodynamic bearing and disk recording/reproducing apparatus

Hydrodynamic bearing and disk recording/reproducing apparatus

Fluid dynamic bearing device and motor including the device

Hydrodynamic bearing and disc rotation apparatus using the same

Hydrodynamic bearing and disk drive apparatus