Kazuetsu Yoshida

Person

Hidaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic recording media, magnetic recording apparatus
- Patent number 7,399,540
- Issue date Jul 15, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media, magnetic recording apparatus
- Patent number 7,147,941
- Issue date Dec 12, 2006
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular-magnetic recording media and magnetic recording appar...
- Patent number 6,852,398
- Issue date Feb 8, 2005
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording device
- Patent number 6,778,471
- Issue date Aug 17, 2004
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording equalizer and magnetic recording/reproducing apparatus us...
- Patent number 6,728,051
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
- Patent number 6,716,516
- Issue date Apr 6, 2004
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media, magnetic recording apparatus
- Patent number 6,686,070
- Issue date Feb 3, 2004
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system including magnetic recording medium havin...
- Patent number 6,671,116
- Issue date Dec 30, 2003
- Hitachi, Ltd.
- Fumiko Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular-magnetic recording media and magnetic recording appar...
- Patent number 6,641,901
- Issue date Nov 4, 2003
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
- Patent number 6,607,849
- Issue date Aug 19, 2003
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
- Patent number 6,592,976
- Issue date Jul 15, 2003
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus
- Patent number 6,572,988
- Issue date Jun 3, 2003
- Hitachi, Ltd.
- Nobuyuki Inaba
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording equalizer and magnetic recording/reproducing apparatus us...
- Patent number 6,549,355
- Issue date Apr 15, 2003
- Hitachi, Ltd.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
- Patent number 6,534,164
- Issue date Mar 18, 2003
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular-magnetic recording media and magnetic recording appar...
- Patent number 6,528,149
- Issue date Mar 4, 2003
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording equalizer and magnetic recording/reproducing apparatus us...
- Patent number 6,487,031
- Issue date Nov 26, 2002
- Hitachi, Ltd.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system including magnetic recording medium havin...
- Patent number 6,456,448
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Fumiko Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
- Patent number 6,447,936
- Issue date Sep 10, 2002
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus using th...
- Patent number 6,403,203
- Issue date Jun 11, 2002
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording equalizer and magnetic recording/reproducing apparatus us...
- Patent number 6,356,402
- Issue date Mar 12, 2002
- Hitachi, Ltd.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media, magnetic heads and magnetic read-write ap...
- Patent number 6,349,008
- Issue date Feb 19, 2002
- Hitachi, Ltd.
- Takanobu Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording device using magneto-resistive head
- Patent number 6,288,981
- Issue date Sep 11, 2001
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording equalizer and magnetic recording/reproducing apparatus pe...
- Patent number 6,212,024
- Issue date Apr 3, 2001
- Hitachi, Ltd.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic storage appara...
- Patent number 6,183,893
- Issue date Feb 6, 2001
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media, magnetic heads and magnetic read-write ap...
- Patent number 5,875,082
- Issue date Feb 23, 1999
- Hitachi, Ltd.
- Takanobu Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording system using the same
- Patent number 5,759,681
- Issue date Jun 2, 1998
- Hitachi, Ltd.
- Yuzuru Hosoe
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-layered magnetic recording medium and magnetic recording syst...
- Patent number 5,723,198
- Issue date Mar 3, 1998
- Hitachi, Ltd.
- Yuzuru Hosoe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,496,620
- Issue date Mar 5, 1996
- Hitachi Maxell, Ltd.
- Osamu Kitakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium, its fabrication method and...
- Patent number 5,244,751
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Takanobu Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and process for producing the same
- Patent number 5,073,460
- Issue date Dec 17, 1991
- Hitachi, Ltd.
- Masaaki Futamoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Perpendicular magnetic recording media, magnetic recording apparatus
- Publication number 20070037018
- Publication date Feb 15, 2007
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular-magnetic recording media and magnetic recording appar...
- Publication number 20040072035
- Publication date Apr 15, 2004
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media, magnetic recording apparatus
- Publication number 20040062953
- Publication date Apr 1, 2004
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Recording equalizer and magnetic recording/reproducing apparatus us...
- Publication number 20030142430
- Publication date Jul 31, 2003
- Hitachi, Ltd.
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular-magnetic recording media and magnetic recording appar...
- Publication number 20030143433
- Publication date Jul 31, 2003
- Hitachi, Ltd.
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
Recording equalizer and magnetic recording/reproducing apparatus us...
- Publication number 20030026024
- Publication date Feb 6, 2003
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
- Publication number 20030022025
- Publication date Jan 30, 2003
- MASAAKI FUTAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
- Publication number 20020160233
- Publication date Oct 31, 2002
- MASAAKI FUTAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
Recording equalizer and magnetic recording/reproducing apparatus us...
- Publication number 20020114093
- Publication date Aug 22, 2002
- Masukazu Igarashi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording system including magnetic recording medium havin...
- Publication number 20020089771
- Publication date Jul 11, 2002
- Fumiko Akagi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
- Publication number 20020080520
- Publication date Jun 27, 2002
- Hitachi, Ltd
- Masaaki Futamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording apparatus using th...
- Publication number 20020055020
- Publication date May 9, 2002
- MASAAKI FUTAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular-magnetic recording media and magnetic recording appar...
- Publication number 20020004151
- Publication date Jan 10, 2002
- Kazuetsu Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS USING TH...
- Publication number 20010009730
- Publication date Jul 26, 2001
- MASAAKI FUTAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
Recording equalizer and magnetic recording/reproducing apparatus us...
- Publication number 20010007516
- Publication date Jul 12, 2001
- Masukazu Igarashi
- G11 - INFORMATION STORAGE

Kazuetsu Yoshida

Person

Patents Grantslast 30 patents

Perpendicular magnetic recording media, magnetic recording apparatus

Perpendicular magnetic recording media, magnetic recording apparatus

Perpendicular-magnetic recording media and magnetic recording appar...

Magnetic recording device

Recording equalizer and magnetic recording/reproducing apparatus us...

Magnetic recording medium and magnetic recording apparatus using th...

Perpendicular magnetic recording media, magnetic recording apparatus

Magnetic recording system including magnetic recording medium havin...

Perpendicular-magnetic recording media and magnetic recording appar...

Magnetic recording medium and magnetic recording apparatus using th...

Magnetic recording medium and magnetic recording apparatus using th...

Magnetic recording medium and magnetic recording apparatus

Recording equalizer and magnetic recording/reproducing apparatus us...

Magnetic recording medium and magnetic recording apparatus using th...

Perpendicular-magnetic recording media and magnetic recording appar...

Recording equalizer and magnetic recording/reproducing apparatus us...

Magnetic recording system including magnetic recording medium havin...

Magnetic recording medium and magnetic recording apparatus using th...

Magnetic recording medium and magnetic recording apparatus using th...

Recording equalizer and magnetic recording/reproducing apparatus us...

Magnetic recording media, magnetic heads and magnetic read-write ap...

Magneto-optical recording device using magneto-resistive head

Recording equalizer and magnetic recording/reproducing apparatus pe...

Perpendicular magnetic recording medium and magnetic storage appara...

Magnetic recording media, magnetic heads and magnetic read-write ap...

Magnetic recording medium and magnetic recording system using the same

Multi-layered magnetic recording medium and magnetic recording syst...

Magnetic recording medium

Perpendicular magnetic recording medium, its fabrication method and...

Magnetic recording medium and process for producing the same

Patents Applicationslast 30 patents

Perpendicular magnetic recording media, magnetic recording apparatus

Perpendicular-magnetic recording media and magnetic recording appar...

Perpendicular magnetic recording media, magnetic recording apparatus

Recording equalizer and magnetic recording/reproducing apparatus us...

Perpendicular-magnetic recording media and magnetic recording appar...

Recording equalizer and magnetic recording/reproducing apparatus us...

Magnetic recording medium and magnetic recording apparatus using th...

Magnetic recording medium and magnetic recording apparatus using th...

Recording equalizer and magnetic recording/reproducing apparatus us...

Magnetic recording system including magnetic recording medium havin...

Magnetic recording medium and magnetic recording apparatus using th...

Magnetic recording medium and magnetic recording apparatus using th...

Perpendicular-magnetic recording media and magnetic recording appar...

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS USING TH...

Recording equalizer and magnetic recording/reproducing apparatus us...