Yuzo Yamaguchi

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disc unit with gap between magnetic disc and shroud
- Patent number 7,643,245
- Issue date Jan 5, 2010
- Hitachi Global Storage Technologies Japan, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc unit with gap between magnetic disc and shroud
- Patent number 7,336,440
- Issue date Feb 26, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus with shroud and having open space downstrea...
- Patent number 7,330,334
- Issue date Feb 12, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Hayato Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc unit with range of gap between disc and shroud
- Patent number 7,072,141
- Issue date Jul 4, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus with air flow bypass channel
- Patent number 6,898,049
- Issue date May 24, 2005
- Hitachi, Ltd.
- Hayato Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc unit
- Patent number 6,751,050
- Issue date Jun 15, 2004
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-disc unit with gap between disc and shroud
- Patent number 6,665,139
- Issue date Dec 16, 2003
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 6,600,626
- Issue date Jul 29, 2003
- Hitachi, Ltd.
- Hayato Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying head slider supporting mechanism having active air pressure...
- Patent number 5,390,059
- Issue date Feb 14, 1995
- Hitachi, Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying head slider and method of producing the same
- Patent number 5,251,083
- Issue date Oct 5, 1993
- Hitachi, Ltd.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Guide arm with a fixed printed circuit board for magnetic disk drive
- Patent number 5,245,489
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Hideyuki Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Floating type magnetic head supporting assembly including a couplin...
- Patent number 5,243,482
- Issue date Sep 7, 1993
- Hitachi, Ltd.
- Yuzo Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider unit having a float slider and magnetic head m...
- Patent number 5,223,998
- Issue date Jun 29, 1993
- Hitachi Ltd.
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual-actuator transducer position control apparatus for seeking and...
- Patent number 5,177,652
- Issue date Jan 5, 1993
- Hitachi, Ltd.
- Yuzo Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Guide arm with affixed printed circuit board for magnetic disk drive
- Patent number 5,140,482
- Issue date Aug 18, 1992
- Hitachi, Ltd.
- Hideyuki Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device having an auto-loading mechanism and a dust co...
- Patent number 5,136,438
- Issue date Aug 4, 1992
- Hitachi, Ltd.
- Koosaku Wakatsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying head slider and magnetic disk unit employing same
- Patent number 5,128,821
- Issue date Jul 7, 1992
- Hitachi, Ltd.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer supporting device for supporting a transducer in a rotar...
- Patent number 5,107,383
- Issue date Apr 21, 1992
- Hitachi, Ltd.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotating disk storage device with cooling gas flow control
- Patent number 5,031,059
- Issue date Jul 9, 1991
- Hitachi, Ltd.
- Yuzo Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical memory apparatus having a floating magnetic head
- Patent number 5,020,041
- Issue date May 28, 1991
- Hitachi, Ltd.
- Takeshi Nakao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider supporting apparatus
- Patent number 5,014,144
- Issue date May 7, 1991
- Hitachi, Ltd.
- Taichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 5,012,359
- Issue date Apr 30, 1991
- Hitachi, Ltd.
- Takashi Kohno
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flying head slider
- Patent number 4,984,114
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Yoshinori Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer supporting apparatus and disk storage unit
- Patent number 4,922,356
- Issue date May 1, 1990
- Hitachi, Ltd.
- Yuzo Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Flanged transducer supporting arm for a magnetic head/arm assembly
- Patent number 4,884,154
- Issue date Nov 28, 1989
- Hitachi, Ltd.
- Shuji Onodera
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider
- Patent number 4,814,906
- Issue date Mar 21, 1989
- Hitachi, Ltd.
- Shoji Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head support arm
- Patent number 4,723,186
- Issue date Feb 2, 1988
- Hitachi, Ltd.
- Hiroyasu Nakajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for pumping operation of a hydraulic machine having Franc...
- Patent number 4,286,919
- Issue date Sep 1, 1981
- Hitachi, Ltd.
- Yuzo Yamaguchi
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC DISC UNIT WITH GAP BETWEEN MAGNETIC DISC AND SHROUD
- Publication number 20080106819
- Publication date May 8, 2008
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc unit
- Publication number 20060164754
- Publication date Jul 27, 2006
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus
- Publication number 20050219741
- Publication date Oct 6, 2005
- Hayato Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc unit
- Publication number 20040070866
- Publication date Apr 15, 2004
- Mikio Tokuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus
- Publication number 20030189785
- Publication date Oct 9, 2003
- Hayato Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus
- Publication number 20020181149
- Publication date Dec 5, 2002
- Hayato Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic-disc unit
- Publication number 20020075592
- Publication date Jun 20, 2002
- Mikio Tokuyama
- G11 - INFORMATION STORAGE

Yuzo Yamaguchi

Person

Patents Grantslast 30 patents

Magnetic disc unit with gap between magnetic disc and shroud

Magnetic disc unit with gap between magnetic disc and shroud

Magnetic disk apparatus with shroud and having open space downstrea...

Magnetic disc unit with range of gap between disc and shroud

Magnetic disk apparatus with air flow bypass channel

Magnetic disc unit

Magnetic-disc unit with gap between disc and shroud

Magnetic disk apparatus

Flying head slider supporting mechanism having active air pressure...

Flying head slider and method of producing the same

Guide arm with a fixed printed circuit board for magnetic disk drive

Floating type magnetic head supporting assembly including a couplin...

Magnetic head slider unit having a float slider and magnetic head m...

Dual-actuator transducer position control apparatus for seeking and...

Guide arm with affixed printed circuit board for magnetic disk drive

Magnetic disk device having an auto-loading mechanism and a dust co...

Flying head slider and magnetic disk unit employing same

Transducer supporting device for supporting a transducer in a rotar...

Rotating disk storage device with cooling gas flow control

Magneto-optical memory apparatus having a floating magnetic head

Magnetic head slider supporting apparatus

Magnetic disk apparatus

Flying head slider

Transducer supporting apparatus and disk storage unit

Flanged transducer supporting arm for a magnetic head/arm assembly

Magnetic head slider

Magnetic head support arm

Apparatus for pumping operation of a hydraulic machine having Franc...

Patents Applicationslast 30 patents

MAGNETIC DISC UNIT WITH GAP BETWEEN MAGNETIC DISC AND SHROUD

Magnetic disc unit

Magnetic disk apparatus

Magnetic disc unit

Magnetic disk apparatus

Magnetic disk apparatus

Magnetic-disc unit