Katsuo Ishikawa

Person

Ozu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hydrodynamic bearing device and spindle motor that makes use of same
- Patent number 7,625,123
- Issue date Dec 1, 2009
- Panasonic Corporation
- Katsuo Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Spindle motor
- Patent number 7,541,708
- Issue date Jun 2, 2009
- Panasonic Corporation
- Katsuo Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SLEEVE FOR HYDRODYNAMIC BEARING DEVICE, HYDRODYNAMIC BEARING DEVICE...
- Publication number 20110044837
- Publication date Feb 24, 2011
- NIDEC CORPORATION
- Tsutomu HAMADA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND INFORMATION DEVICE
- Publication number 20100052447
- Publication date Mar 4, 2010
- Yosuke KADOYA
- G11 - INFORMATION STORAGE
Information Patent Application
Spindle motor
- Publication number 20090152968
- Publication date Jun 18, 2009
- Panasonic Corporation
- Katsuo Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HYDRODYNAMIC BEARING DEVICE, AND SPINDLE MOTOR AND INFORMATION PROC...
- Publication number 20090073596
- Publication date Mar 19, 2009
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Application
SLEEVE FOR HYDRODYNAMIC BEARING DEVICE, HYDRODYNAMIC BEARING DEVICE...
- Publication number 20090060403
- Publication date Mar 5, 2009
- Tsutomu Hamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydrodynamic bearing device and manufacturing method thereof
- Publication number 20070092171
- Publication date Apr 26, 2007
- Takafumi Asada
- G11 - INFORMATION STORAGE
Information Patent Application
Hydrodynamic bearing device and spindle motor that makes use of same
- Publication number 20070086686
- Publication date Apr 19, 2007
- Katsuo Ishikawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sleeve for hydrodynamic bearing device, hydrodynamic bearing device...
- Publication number 20070047857
- Publication date Mar 1, 2007
- Tsutomu Hamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Spindle motor
- Publication number 20060158060
- Publication date Jul 20, 2006
- Matsushita Electric Industrial Co., Ltd.
- Katsuo Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Katsuo Ishikawa

Person

Patents Grantslast 30 patents

Hydrodynamic bearing device and spindle motor that makes use of same

Spindle motor

Patents Applicationslast 30 patents

SLEEVE FOR HYDRODYNAMIC BEARING DEVICE, HYDRODYNAMIC BEARING DEVICE...

HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND INFORMATION DEVICE

Spindle motor

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

SLEEVE FOR HYDRODYNAMIC BEARING DEVICE, HYDRODYNAMIC BEARING DEVICE...

Hydrodynamic bearing device and manufacturing method thereof

Hydrodynamic bearing device and spindle motor that makes use of same

Sleeve for hydrodynamic bearing device, hydrodynamic bearing device...

Spindle motor