Norio Ohta

Person

Yawara-mura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for recording information data to a recording medium by irra...
- Patent number 7,352,658
- Issue date Apr 1, 2008
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording and reproduction on a magneto-optical recordin...
- Patent number 7,113,453
- Issue date Sep 26, 2006
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical reproducing method using a plurality of different r...
- Patent number 6,904,002
- Issue date Jun 7, 2005
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium with high thermal stability, method for p...
- Patent number 6,893,746
- Issue date May 17, 2005
- Hitachi Maxell, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium including a calibration magnetic d...
- Patent number 6,847,590
- Issue date Jan 25, 2005
- Sanyo Electric Co., Ltd.
- Atsushi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing method and reproducing apparatus for magneto-optical re...
- Patent number 6,693,854
- Issue date Feb 17, 2004
- Hitachi Maxwell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and reproduction method therefor
- Patent number 6,671,233
- Issue date Dec 30, 2003
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical reproducing method using a plural of different repr...
- Patent number 6,633,514
- Issue date Oct 14, 2003
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing method and reproducing apparatus using plural light bea...
- Patent number 6,628,574
- Issue date Sep 30, 2003
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing method and reproducing apparatus for magneto-optical re...
- Patent number 6,556,516
- Issue date Apr 29, 2003
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge for information-recording media having deformable elastic...
- Patent number 6,501,729
- Issue date Dec 31, 2002
- Hitachi Maxell, Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording media having an auxiliary magnetic layer
- Patent number 6,424,601
- Issue date Jul 23, 2002
- Hitachi Maxell, Ltd.
- Satoru Oonuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk apparatus having an adjustment mechanism for s...
- Patent number 6,404,705
- Issue date Jun 11, 2002
- Hitachi Maxell, Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium having clock-marks on recording la...
- Patent number 6,388,954
- Issue date May 14, 2002
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and reproducing method for reprodu...
- Patent number 6,385,140
- Issue date May 7, 2002
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge for information-recording media having deformable elastic...
- Patent number 6,339,583
- Issue date Jan 15, 2002
- Hitachi Maxell, Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and recording/reproducing apparatu...
- Patent number 6,301,199
- Issue date Oct 9, 2001
- Sanyo Electric Co., Ltd.
- Atsushi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium capable of recording multiple valu...
- Patent number 6,246,640
- Issue date Jun 12, 2001
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording medium and reproducing method for reproduci...
- Patent number 6,226,234
- Issue date May 1, 2001
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 6,200,673
- Issue date Mar 13, 2001
- Hitachi, Ltd.
- Harukazu Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and reproduction method therefor
- Patent number 6,122,228
- Issue date Sep 19, 2000
- Hitachi Maxwell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head capable of generating multi-stepped external magnetic...
- Patent number 6,101,153
- Issue date Aug 8, 2000
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium having a plurality of magnetic layers
- Patent number 6,061,307
- Issue date May 9, 2000
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 5,965,286
- Issue date Oct 12, 1999
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium with clock information therein
- Patent number 5,959,943
- Issue date Sep 28, 1999
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and method for recording and repro...
- Patent number 5,923,625
- Issue date Jul 13, 1999
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium having dielectric layers with diff...
- Patent number 5,914,198
- Issue date Jun 22, 1999
- Hitachi, Ltd.
- Harukazu Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording apparatus and method for modulated magneto-op...
- Patent number 5,886,958
- Issue date Mar 23, 1999
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and method
- Patent number 5,814,400
- Issue date Sep 29, 1998
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and process for producing the same
- Patent number 5,783,320
- Issue date Jul 21, 1998
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magneto-optical reproducing method using a plural of different repr...
- Publication number 20040027928
- Publication date Feb 12, 2004
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium, information recording apparatus, and...
- Publication number 20030179658
- Publication date Sep 25, 2003
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Application
Reproducing method and reproducing apparatus for magneto-optical re...
- Publication number 20030161221
- Publication date Aug 28, 2003
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical recording medium having different magnetic domain r...
- Publication number 20030107956
- Publication date Jun 12, 2003
- Hitachi Maxwell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical disk apparatus and position adjustment method of he...
- Publication number 20020064101
- Publication date May 30, 2002
- HITACHI MAXELL, LTD.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Cartridge for information-recording media having deformable elastic...
- Publication number 20020048257
- Publication date Apr 25, 2002
- HITACHI MAXELL, LTD.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical recording medium having different magnetic domain r...
- Publication number 20020018404
- Publication date Feb 14, 2002
- HITACHI MAXELL, LTD.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical recording medium and recording/reproducing apparatu...
- Publication number 20010050885
- Publication date Dec 13, 2001
- SANYO ELECTRIC CO., LTD.
- Atsushi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical recording medium and reproducing method for reprodu...
- Publication number 20010012263
- Publication date Aug 9, 2001
- HITACHI MAXELL, LTD.
- Satoru Ohnuki
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Method for recording information data to a recording medium by irra...

Method for recording and reproduction on a magneto-optical recordin...

Magneto-optical reproducing method using a plurality of different r...

Magnetic recording medium with high thermal stability, method for p...

Magneto-optical recording medium including a calibration magnetic d...

Reproducing method and reproducing apparatus for magneto-optical re...

Magneto-optical recording medium and reproduction method therefor

Magneto-optical reproducing method using a plural of different repr...

Reproducing method and reproducing apparatus using plural light bea...

Reproducing method and reproducing apparatus for magneto-optical re...

Cartridge for information-recording media having deformable elastic...

Magneto-optical recording media having an auxiliary magnetic layer

Magneto-optical disk apparatus having an adjustment mechanism for s...

Magneto-optical recording medium having clock-marks on recording la...

Magneto-optical recording medium and reproducing method for reprodu...

Cartridge for information-recording media having deformable elastic...

Magneto-optical recording medium and recording/reproducing apparatu...

Magneto-optical recording medium capable of recording multiple valu...

Magneto-optic recording medium and reproducing method for reproduci...

Magneto-optical recording medium

Magneto-optical recording medium and reproduction method therefor

Magnetic head capable of generating multi-stepped external magnetic...

Magneto-optical recording medium having a plurality of magnetic layers

Magneto-optical recording medium

Information recording medium with clock information therein

Magneto-optical recording medium and method for recording and repro...

Magneto-optical recording medium having dielectric layers with diff...

Information recording apparatus and method for modulated magneto-op...

Magneto-optical recording medium and method

Magneto-optical recording medium and process for producing the same

Patents Applicationslast 30 patents

Magneto-optical reproducing method using a plural of different repr...

Information recording medium, information recording apparatus, and...

Reproducing method and reproducing apparatus for magneto-optical re...

Magneto-optical recording medium having different magnetic domain r...

Magneto-optical disk apparatus and position adjustment method of he...

Cartridge for information-recording media having deformable elastic...

Magneto-optical recording medium having different magnetic domain r...

Magneto-optical recording medium and recording/reproducing apparatu...

Magneto-optical recording medium and reproducing method for reprodu...