Masafumi Yoshihiro

Person

Kitasouma-gun, JP

People

Patents Grantslast 30 patents

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 apparatus using multiple magnetic field s...
- Patent number 6,584,044
- Issue date Jun 24, 2003
- Hitachi Maxell Ltd.
- Manabu Tani
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording mark length shorter than channel bit length on...
- Patent number 6,567,348
- Issue date May 20, 2003
- Hitachi, Ltd.
- Kouichirou Wakabayashi
- 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
METHOD AND APPARATUS FOR RECORDING AND REPRODUCING INFORMATION BY A...
- Patent number 6,477,118
- Issue date Nov 5, 2002
- Hitachi Maxell, Ltd.
- Hiroyuki Awano
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus having a magneto-optical head w...
- Patent number 6,434,088
- Issue date Aug 13, 2002
- Hitachi Maxell, Ltd.
- Osamu Ishizaki
- B82 - NANO-TECHNOLOGY
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 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
Magneto-optical recording method capable of adjusting the sizes mag...
- Patent number 6,385,141
- Issue date May 7, 2002
- Hitachi Maxell Ltd.
- Manabu Tani
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium with solid protective layer having self-lu...
- Patent number 6,366,541
- Issue date Apr 2, 2002
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- B82 - NANO-TECHNOLOGY
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
Optical recording medium and optical recording device
- Patent number 6,160,769
- Issue date Dec 12, 2000
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- B82 - NANO-TECHNOLOGY
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
Recording and reproducing apparatus having a magneto-optical head w...
- Patent number 6,044,041
- Issue date Mar 28, 2000
- Hitachi Maxell, Ltd.
- Osamu Ishizaki
- B82 - NANO-TECHNOLOGY
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
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
Information Patent Grant
Magneto-optical recording medium
- Patent number 5,639,563
- Issue date Jun 17, 1997
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and process for producing the same
- Patent number 5,637,411
- Issue date Jun 10, 1997
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptic recording medium
- Patent number 5,590,097
- Issue date Dec 31, 1996
- Hitachi Maxell, Ltd.
- Akira Kashiwakura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing by changing perpendicular magnetic an...
- Patent number 5,315,577
- Issue date May 24, 1994
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical recording medium
- Publication number 20070261068
- Publication date Nov 8, 2007
- Hitachi Maxell, Ltd.
- Masafumi Yoshihiro
- 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
Recording method and recording apparatus for magneto-optical record...
- Publication number 20020089899
- Publication date Jul 11, 2002
- Hitachi Maxell, Ltd.
- Manabu Tani
- 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 reproducing method for reprodu...
- Publication number 20010012263
- Publication date Aug 9, 2001
- HITACHI MAXELL, LTD.
- Satoru Ohnuki
- G11 - INFORMATION STORAGE

Masafumi Yoshihiro

Person

Patents Grantslast 30 patents

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

Magneto-optical recording apparatus using multiple magnetic field s...

Method for recording mark length shorter than channel bit length on...

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

METHOD AND APPARATUS FOR RECORDING AND REPRODUCING INFORMATION BY A...

Recording and reproducing apparatus having a magneto-optical head w...

Magneto-optical recording media having an auxiliary magnetic layer

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

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

Magneto-optical recording method capable of adjusting the sizes mag...

Optical recording medium with solid protective layer having self-lu...

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

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

Optical recording medium and optical recording device

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

Magneto-optical recording medium having a plurality of magnetic layers

Recording and reproducing apparatus having a magneto-optical head w...

Magneto-optical recording medium

Magneto-optical recording medium and process for producing the same

Magneto-optical recording medium

Magneto-optical recording medium and process for producing the same

Magnetooptic recording medium

Optical recording/reproducing by changing perpendicular magnetic an...

Patents Applicationslast 30 patents

Optical recording medium

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

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

Recording method and recording apparatus for magneto-optical record...

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

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