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Takanori SHIRAISHI
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Ozu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hydrodynamic bearing device and spindle motor using the same
Patent number
7,947,635
Issue date
May 24, 2011
Panasonic Corporation
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrodynamic bearing device, and spindle motor and information devi...
Patent number
7,846,883
Issue date
Dec 7, 2010
Panasonic Corporation
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Lubricant for fluid dynamic bearing, spindle motor equipped therewi...
Patent number
7,781,383
Issue date
Aug 24, 2010
Panasonic Corporation
Takanori Shiraishi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrodynamic bearing device, and spindle motor and information devi...
Patent number
7,776,802
Issue date
Aug 17, 2010
Panasonic Corporation
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrodynamic bearing device, and spindle motor and information devi...
Patent number
7,737,095
Issue date
Jun 15, 2010
Panasonic Corporation
Takanori Shiraishi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrodynamic bearing device, and spindle motor and information devi...
Patent number
7,495,863
Issue date
Feb 24, 2009
Panasonic Corporation
Hideaki Ohno
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluid bearing unit and spindle motor using the same
Patent number
7,459,416
Issue date
Dec 2, 2008
Panasonic Corporation
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
LUBRICATING OIL COMPOSITION CONTAINING IONIC LIQUID
Publication number
20100105581
Publication date
Apr 29, 2010
Takanori Shiraishi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LUBRICATING OIL COMPOSITION FOR HYDRODYNAMIC BEARING DEVICE AND HYD...
Publication number
20100035773
Publication date
Feb 11, 2010
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
HYDRODYNAMIC BEARING DEVICE AND SPINDLE MOTOR USING THE SAME
Publication number
20090290821
Publication date
Nov 26, 2009
PANASONIC CORPORATION
Katsushi HIRATA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hydrodynamic bearing device, and spindle motor and information devi...
Publication number
20080107367
Publication date
May 8, 2008
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Lubricant for fluid dynamic bearing, spindle motor equipped therewi...
Publication number
20060252658
Publication date
Nov 9, 2006
Matsushita Electric Industrial Co., Ltd.
Takanori Shiraishi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hydrodynamic bearing device, and spindle motor and information devi...
Publication number
20060171613
Publication date
Aug 3, 2006
Takanori Shiraishi
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hydrodynamic bearing device, and spindle motor and information devi...
Publication number
20060120642
Publication date
Jun 8, 2006
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hydrodynamic bearing device, and spindle motor and information devi...
Publication number
20060072243
Publication date
Apr 6, 2006
Hideaki Ohno
G11 - INFORMATION STORAGE
Information
Patent Application
Hydrodynamic bearing device, and spindle motor and magnetic disk de...
Publication number
20060045397
Publication date
Mar 2, 2006
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Fluid bearing unit and spindle motor using the same
Publication number
20060008189
Publication date
Jan 12, 2006
Matsushita Elec. Ind. Co. Ltd.
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Hydrodynamic bearing device and spindle motor using the same
Publication number
20050282713
Publication date
Dec 22, 2005
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Katsushi Hirata
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...