ALPHANA Technology, Co., Ltd.

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Shizuoka, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Fluid dynamic bearing unit and disk drive device including the same
- Patent number 8,441,759
- Issue date May 14, 2013
- Alphana Technology Co., Ltd.
- Ryusuki Sugiki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk drive device with versatile shaped core for rotating a disk
- Patent number 8,416,523
- Issue date Apr 9, 2013
- Alphana Technology Co., Ltd.
- Tomoyuki Tashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Fluid dynamic bearing, method of manufacturing fluid dynamic bearin...
- Patent number 8,407,899
- Issue date Apr 2, 2013
- Alphana Technology Co., Ltd.
- Akira Muramatsu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of manufacturing bearing device component coated with photol...
- Patent number 8,408,797
- Issue date Apr 2, 2013
- Alphana Technology Co., Ltd.
- Chenglin Chen
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Disk drive device provided with fluid dynamic bearing unit
- Patent number 8,398,308
- Issue date Mar 19, 2013
- Alphana Technology Co., Ltd.
- Taketo Nonaka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk drive device having fluid dynamic bearing with porous member a...
- Patent number 8,395,861
- Issue date Mar 12, 2013
- Alphana Technology Co., Ltd.
- Tomoyuki Tashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device with motor coil wiring arrangement to reduce thic...
- Patent number 8,395,862
- Issue date Mar 12, 2013
- Alphana Technology Co., Ltd.
- Takanori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive device with hub having improved impact resistance where hub m...
- Patent number 8,390,953
- Issue date Mar 5, 2013
- Alphana Technology Co., Ltd.
- Yusuke Tokunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Method manufacturing of fluid dynamic bearing using cutting tool th...
- Patent number 8,381,404
- Issue date Feb 26, 2013
- Alphana Technology Co., Ltd.
- Hisayuki Aoshima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Fluid dynamic bearing filled with lubricant in work area having red...
- Patent number 8,365,413
- Issue date Feb 5, 2013
- Alphana Technology Co., Ltd.
- Hiroki Yamazaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk drive device rotationally driving recording disk
- Patent number 8,368,282
- Issue date Feb 5, 2013
- Alphana Technology Co., Ltd.
- Minoru Sano
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of disk drive device capable of reducing amoun...
- Patent number 8,358,484
- Issue date Jan 22, 2013
- Alphana Technology Co., Ltd.
- Kazuyoshi Nagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device equipped with a bearing unit relatively rotatably...
- Patent number 8,345,379
- Issue date Jan 1, 2013
- Alphana Technology Co., Ltd.
- Toshiki Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a disk drive having a base member, bearing...
- Patent number 8,312,617
- Issue date Nov 20, 2012
- Alphana Technology Co., Ltd.
- Yuji Omura
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device improved in stiffness of fluid dynamic bearing
- Patent number 8,315,011
- Issue date Nov 20, 2012
- Alphana Technology Co., Ltd.
- Yuji Nishitani
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device having function of discharging static electricity
- Patent number 8,300,353
- Issue date Oct 30, 2012
- Alphana Technology Co., Ltd.
- Tomoyuki Tashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device for rotating a disk
- Patent number 8,278,791
- Issue date Oct 2, 2012
- Alphana Technology Co., Ltd.
- Hiroki Yamazaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor adopting improved mechanism
- Patent number 8,250,735
- Issue date Aug 28, 2012
- Alphana Technology Co., Ltd.
- Mitsuo Kodama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk drive device provided with fluid dynamic bearing
- Patent number 8,243,383
- Issue date Aug 14, 2012
- Alphana Technology Co., Ltd.
- Takuji Yamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk drive hub with motor coil wiring arrangement to reduce thickne...
- Patent number 8,213,114
- Issue date Jul 3, 2012
- Alphana Technology Co., Ltd.
- Takanori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device with vibration reduction of second order rocking-...
- Patent number 8,213,113
- Issue date Jul 3, 2012
- Alphana Technology Co. Ltd.
- Takanori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device with hub having a rotational frequency of axial r...
- Patent number 8,184,396
- Issue date May 22, 2012
- Alphana Technology Co., Ltd.
- Yusuke Tokunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device having airtight structure with improved airtightness
- Patent number 8,139,316
- Issue date Mar 20, 2012
- Alphana Technology Co., Ltd.
- Tomoyuki Tashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Fluid dynamic bearing unit and disk drive device including the same
- Patent number 8,107,195
- Issue date Jan 31, 2012
- ALPHANA Technology, Co., Ltd.
- Ryusuke Sugiki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stiffness of brushless motor including stator core and disk drive
- Patent number 8,106,560
- Issue date Jan 31, 2012
- Alphana Technology Co., Ltd.
- Shigeyoshi Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Bearing device and motor mounted with the bearing device
- Patent number 7,931,404
- Issue date Apr 26, 2011
- Alphana Technology Co., Ltd.
- Hirotake Nishino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid bearing device
- Patent number 7,901,138
- Issue date Mar 8, 2011
- Alphana Technology Co., Ltd.
- Mitsuo Kodama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motor and disc drive with motor
- Patent number 7,745,968
- Issue date Jun 29, 2010
- Alphana Technology Co., Ltd.
- Mitsuo Kodama
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor
- Patent number 7,744,282
- Issue date Jun 29, 2010
- Alphana Technology Co., Ltd.
- Hirotake Nishino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motor having suction ring
- Patent number 7,656,064
- Issue date Feb 2, 2010
- Alphana Technology Co., Ltd.
- Kazuyoshi Nagai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

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Patents Applicationslast 30 patents

Information Patent Application
ROTATING DEVICE
- Publication number 20130322793
- Publication date Dec 5, 2013
- ALPHANA Technology Co., Ltd.
- Mitsuo KODAMA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
FAN MOTOR
- Publication number 20130266463
- Publication date Oct 10, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Mitsuo KODAMA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ROTATING DEVICE
- Publication number 20130234552
- Publication date Sep 12, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Mitsuo KODAMA
- G11 - INFORMATION STORAGE
Information Patent Application
ROTATING DEVICE, MANUFACTURING METHOD THEREOF AND BEARING COMPONENT
- Publication number 20130235489
- Publication date Sep 12, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Hisayuki AOSHIMA
- G11 - INFORMATION STORAGE
Information Patent Application
ROTATING DEVICE
- Publication number 20130216168
- Publication date Aug 22, 2013
- ALPHANA Technology Co., Ltd.
- Katsushige KONNO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ROTATING DEVICE
- Publication number 20130216166
- Publication date Aug 22, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Mitsuo KODAMA
- G11 - INFORMATION STORAGE
Information Patent Application
ROTATING DEVICE
- Publication number 20130194907
- Publication date Aug 1, 2013
- ALPHANA Technology Co., Ltd.
- Mitsuo KODAMA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MANUFACTURING BEARING DEVICE COMPONENT COATED WITH PHOTOL...
- Publication number 20130183436
- Publication date Jul 18, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Chenglin CHEN
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
ROTATING DEVICE
- Publication number 20130181558
- Publication date Jul 18, 2013
- ALPHANA Technology Co., Ltd.
- Mitsuo KODAMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FLUID DYNAMIC BEARING UNIT AND ROTATING DEVICE
- Publication number 20130163120
- Publication date Jun 27, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Mitsuo KODAMA
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE DEVICE
- Publication number 20130154409
- Publication date Jun 20, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Osamu YAMADA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD MANUFACTURING OF FLUID DYNAMIC BEARING USING CUTTING TOOL TH...
- Publication number 20130148918
- Publication date Jun 13, 2013
- ALPHANA Technology Co., Ltd.
- Hisayuki AOSHIMA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DISK DRIVE DEVICE WITH HUB
- Publication number 20130148241
- Publication date Jun 13, 2013
- ALPHANA Technology Co., Ltd.
- Takanori WATANABE
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVING APPARATUS HAVING IMPROVED QUALITY
- Publication number 20130083431
- Publication date Apr 4, 2013
- ALPHANA Technology Co., Ltd.
- Tetsuo KITAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
MANUFACTURING METHOD FOR TOTATING DEVICE HAVING IMPROVED QUALITY
- Publication number 20130081262
- Publication date Apr 4, 2013
- ALPHANA Technology Co., Ltd.
- Yasuo FUKUZAKO
- G11 - INFORMATION STORAGE
Information Patent Application
MANUFACTURING METHOD OF DISK DRIVE DEVICE CAPABLE OF REDUCING AMOUN...
- Publication number 20130077462
- Publication date Mar 28, 2013
- ALPHANA Technology Co., Ltd.
- Kazuyoshi Nagai
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE DEVICE FOR ROTATING A DISK
- Publication number 20130069460
- Publication date Mar 21, 2013
- ALPHANA Technology Co., Ltd.
- Hiroki Yamazaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF MANUFACTURING BEARING DEVICE COMPONENT COATED WITH PHOTOL...
- Publication number 20130058604
- Publication date Mar 7, 2013
- ALPHANA TECHNOLOGY CO., LTD.
- Chenglin CHEN
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Fluid Dynamic Bearing Unit And Disk Drive Device Including The Same
- Publication number 20130038967
- Publication date Feb 14, 2013
- ALPHANA Technology Co., Ltd.
- Ryusuke Sugiki
- G11 - INFORMATION STORAGE
Information Patent Application
ROTATING DEVICE USING A FLUID DYNAMIC BEARING
- Publication number 20130027807
- Publication date Jan 31, 2013
- ALPHANA Technology Co., Ltd.
- Daiki HAYASHI
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A ROTATING DEVICE
- Publication number 20130025117
- Publication date Jan 31, 2013
- ALPHANA Technology Co., Ltd.
- Kenji NISHIHARA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MANUFACTURING A DISK DRIVE DEVICE HAVING BASE MEMBER, BEA...
- Publication number 20130000106
- Publication date Jan 3, 2013
- ALPHANA Technology Co., Ltd.
- Yuji Omura
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING DISK DRIVE DEVICE AND DISK DRIVE DEVICE MA...
- Publication number 20120317794
- Publication date Dec 20, 2012
- ALPHANA TECHNOLOGY CO., LTD.
- Kenji NISHIHARA
- G11 - INFORMATION STORAGE
Information Patent Application
ROTATING DEVICE
- Publication number 20120288225
- Publication date Nov 15, 2012
- ALPHANA TECHNOLOGY CO., LTD.
- Mitsuo KODAMA
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE DEVICE PROVIDED WITH FLUID DYNAMIC BEARING
- Publication number 20120262822
- Publication date Oct 18, 2012
- ALPHANA Technology Co., Ltd.
- Takuji YAMADA
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE DEVICE WITH HUB
- Publication number 20120262823
- Publication date Oct 18, 2012
- ALPHANA Technology Co., Ltd.
- Takanori WATANABE
- G11 - INFORMATION STORAGE
Information Patent Application
THIN STRUCTURE ROTATING DEVICE HAVING IMPROVED IMPACT RESISTANCE
- Publication number 20120213459
- Publication date Aug 23, 2012
- ALPHANA TECHNOLOGY CO., LTD.
- Takuji YAMADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ROTATING DEVICE HAVING A ROTOR AND A STATOR
- Publication number 20120212092
- Publication date Aug 23, 2012
- ALPHANA TECHNOLOGY CO., LTD.
- Hiromitsu GOTO
- G11 - INFORMATION STORAGE
Information Patent Application
ROTATING MACHINE COMPRISING INSULATION SHEET FOR INSULATING COIL AN...
- Publication number 20120182645
- Publication date Jul 19, 2012
- ALPHANA TECHNOLOGY CO., LTD.
- Yoshio KUROKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
ROTATING DEVICE AND A METHOD FOR MANUFACTURING THE ROTATING DEVICE
- Publication number 20120176700
- Publication date Jul 12, 2012
- ALPHANA TECHNOLOGY CO., LTD.
- Naoki SHINJI
- G11 - INFORMATION STORAGE

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Trademarklast 30 trademarks

Information Trademark
79061079 - ALPHANA
- Serial number 79061079
- Registration number 3728546
- Filing date Jul 7, 2008
- ALPHANA Technology Co., Ltd.
- 7 - Machines and machine tools

ALPHANA Technology, Co., Ltd.

Organization

Patents Grantslast 30 patents

Fluid dynamic bearing unit and disk drive device including the same

Disk drive device with versatile shaped core for rotating a disk

Fluid dynamic bearing, method of manufacturing fluid dynamic bearin...

Method of manufacturing bearing device component coated with photol...

Disk drive device provided with fluid dynamic bearing unit

Disk drive device having fluid dynamic bearing with porous member a...

Disk drive device with motor coil wiring arrangement to reduce thic...

Drive device with hub having improved impact resistance where hub m...

Method manufacturing of fluid dynamic bearing using cutting tool th...

Fluid dynamic bearing filled with lubricant in work area having red...

Disk drive device rotationally driving recording disk

Manufacturing method of disk drive device capable of reducing amoun...

Disk drive device equipped with a bearing unit relatively rotatably...

Method of manufacturing a disk drive having a base member, bearing...

Disk drive device improved in stiffness of fluid dynamic bearing

Disk drive device having function of discharging static electricity

Disk drive device for rotating a disk

Motor adopting improved mechanism

Disk drive device provided with fluid dynamic bearing

Disk drive hub with motor coil wiring arrangement to reduce thickne...

Disk drive device with vibration reduction of second order rocking-...

Disk drive device with hub having a rotational frequency of axial r...

Disk drive device having airtight structure with improved airtightness

Fluid dynamic bearing unit and disk drive device including the same

Stiffness of brushless motor including stator core and disk drive

Bearing device and motor mounted with the bearing device

Fluid bearing device

Motor and disc drive with motor

Motor

Motor having suction ring

Patents Applicationslast 30 patents

ROTATING DEVICE

FAN MOTOR

ROTATING DEVICE

ROTATING DEVICE, MANUFACTURING METHOD THEREOF AND BEARING COMPONENT

ROTATING DEVICE

ROTATING DEVICE

ROTATING DEVICE

METHOD OF MANUFACTURING BEARING DEVICE COMPONENT COATED WITH PHOTOL...

ROTATING DEVICE

FLUID DYNAMIC BEARING UNIT AND ROTATING DEVICE

DISK DRIVE DEVICE

METHOD MANUFACTURING OF FLUID DYNAMIC BEARING USING CUTTING TOOL TH...

DISK DRIVE DEVICE WITH HUB

DISK DRIVING APPARATUS HAVING IMPROVED QUALITY

MANUFACTURING METHOD FOR TOTATING DEVICE HAVING IMPROVED QUALITY

MANUFACTURING METHOD OF DISK DRIVE DEVICE CAPABLE OF REDUCING AMOUN...

DISK DRIVE DEVICE FOR ROTATING A DISK

METHOD OF MANUFACTURING BEARING DEVICE COMPONENT COATED WITH PHOTOL...

Fluid Dynamic Bearing Unit And Disk Drive Device Including The Same

ROTATING DEVICE USING A FLUID DYNAMIC BEARING

METHOD FOR MANUFACTURING A ROTATING DEVICE

METHOD OF MANUFACTURING A DISK DRIVE DEVICE HAVING BASE MEMBER, BEA...

METHOD FOR MANUFACTURING DISK DRIVE DEVICE AND DISK DRIVE DEVICE MA...

ROTATING DEVICE

DISK DRIVE DEVICE PROVIDED WITH FLUID DYNAMIC BEARING

DISK DRIVE DEVICE WITH HUB

THIN STRUCTURE ROTATING DEVICE HAVING IMPROVED IMPACT RESISTANCE

ROTATING DEVICE HAVING A ROTOR AND A STATOR

ROTATING MACHINE COMPRISING INSULATION SHEET FOR INSULATING COIL AN...

ROTATING DEVICE AND A METHOD FOR MANUFACTURING THE ROTATING DEVICE

Trademarklast 30 trademarks

79061079 - ALPHANA