Naoki Kawawada

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Stator, motor and record medium drive apparatus and method of fabri...
- Patent number 7,709,981
- Issue date May 4, 2010
- Seiko Instruments Inc.
- Masahiro Nakajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor
- Patent number 6,384,503
- Issue date May 7, 2002
- Seiko Instruments Inc.
- Tadao Iwaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for lubricating a fluid dynamic pressure bearing
- Patent number 6,371,649
- Issue date Apr 16, 2002
- Seiko Instruments Inc.
- Naoki Kawawada
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic dynamic bearing and spindle motor and rotary assembly pro...
- Patent number 6,371,650
- Issue date Apr 16, 2002
- Seiko Instruments Inc.
- Hiromitsu Goto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic dynamic bearing and spindle motor
- Patent number 6,354,742
- Issue date Mar 12, 2002
- Seiko Instruments Inc.
- Tadao Iwaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic dynamic bearing and spindle motor and rotary assembly pro...
- Patent number 6,307,291
- Issue date Oct 23, 2001
- Seiko Instruments Inc.
- Tadao Iwaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spindle motor
- Patent number 6,252,322
- Issue date Jun 26, 2001
- Seiko Instruments Inc.
- Naoki Kawawada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic dynamic bearing and spindle motor utilizing hydraulic dyn...
- Patent number 6,247,848
- Issue date Jun 19, 2001
- Seiko Instruments Inc.
- Tadao Iwaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Spindle motor and method of formation
- Patent number 6,246,139
- Issue date Jun 12, 2001
- Seiko Instruments Inc.
- Tadao Iwaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dynamic pressure bearing, spindle motor using dynamic pressure bear...
- Patent number 6,176,618
- Issue date Jan 23, 2001
- Seiko Instruments Inc.
- Naoki Kawawada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Recording systems and recording units employed in the recording sys...
- Patent number 6,116,708
- Issue date Sep 12, 2000
- Seiko Instruments Inc.
- Satoshi Oohama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Spindle motor and rotator device
- Patent number 6,040,648
- Issue date Mar 21, 2000
- Seiko Instruments Inc.
- Naoki Kawawada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Thermal transfer recording method and apparatus of both sublimation...
- Patent number 5,793,402
- Issue date Aug 11, 1998
- Seiko Instruments Inc.
- Akihiro Sadaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermal transfer recording method and apparatus of both sublimation...
- Patent number 5,467,120
- Issue date Nov 14, 1995
- Seiko Instruments Inc.
- Akihiro Sadaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laser beam scanning device
- Patent number 5,078,463
- Issue date Jan 7, 1992
- Seiko Instruments Inc.
- Naoki Kawawada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical attenuator and manufacturing method for making same
- Patent number 4,884,859
- Issue date Dec 5, 1989
- Seiko Instruments Inc.
- Hiroyoshi Yamamoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Stator, motor and record medium drive apparatus and method of fabri...
- Publication number 20080100171
- Publication date May 1, 2008
- Masahiro Nakajima
- G11 - INFORMATION STORAGE
Information Patent Application
Variable optical attenuator and system
- Publication number 20020048073
- Publication date Apr 25, 2002
- Naoki Kawawada
- G02 - OPTICS

Naoki Kawawada

Person

Patents Grantslast 30 patents

Stator, motor and record medium drive apparatus and method of fabri...

Motor

Method for lubricating a fluid dynamic pressure bearing

Hydraulic dynamic bearing and spindle motor and rotary assembly pro...

Hydraulic dynamic bearing and spindle motor

Hydraulic dynamic bearing and spindle motor and rotary assembly pro...

Spindle motor

Hydraulic dynamic bearing and spindle motor utilizing hydraulic dyn...

Spindle motor and method of formation

Dynamic pressure bearing, spindle motor using dynamic pressure bear...

Recording systems and recording units employed in the recording sys...

Spindle motor and rotator device

Thermal transfer recording method and apparatus of both sublimation...

Thermal transfer recording method and apparatus of both sublimation...

Laser beam scanning device

Optical attenuator and manufacturing method for making same

Patents Applicationslast 30 patents

Stator, motor and record medium drive apparatus and method of fabri...

Variable optical attenuator and system