Yoshihiko Kudoh

Person

Yawata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical recording medium having a GDFECO readout magnetic film
- Patent number 6,811,889
- Issue date Nov 2, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 6,521,357
- Issue date Feb 18, 2003
- Matsushita Electric Industrial Co, Ltd.
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 6,399,227
- Issue date Jun 4, 2002
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method of fabricating the same
- Patent number 6,146,740
- Issue date Nov 14, 2000
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording medium and method of fabricating the same
- Patent number 5,993,937
- Issue date Nov 30, 1999
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and recording and reading out proc...
- Patent number 5,821,004
- Issue date Oct 13, 1998
- Matsushita Electric Industrial Co., Ltd.
- Yasumori Hino
- G11 - INFORMATION STORAGE
Information Patent Grant
Rewritable disk-shaped optical recording medium
- Patent number 5,724,338
- Issue date Mar 3, 1998
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk formation member for making an optical disk substrate
- Patent number 5,679,386
- Issue date Oct 21, 1997
- Matsushita Electric Industrial Co., Ltd.
- Motoyoshi Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk substrate with land planes of uniform height
- Patent number 5,582,891
- Issue date Dec 10, 1996
- Matsushita Electric Industrial Co., Ltd.
- Motoyoshi Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and method of manufacturing same
- Patent number 5,518,826
- Issue date May 21, 1996
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording disk, and recording/reading apparatus using same
- Patent number 5,422,874
- Issue date Jun 6, 1995
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Birukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 5,391,431
- Issue date Feb 21, 1995
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical information recording method and apparatus in which...
- Patent number 5,144,602
- Issue date Sep 1, 1992
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a deposition film of composite material
- Patent number 4,952,295
- Issue date Aug 28, 1990
- Matsushita Electric Industrial Co., Ltd.
- Hidetsugu Kawabata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Magneto-optical recording medium
- Publication number 20020119348
- Publication date Aug 29, 2002
- Yoshihiko Kudoh
- G11 - INFORMATION STORAGE

Yoshihiko Kudoh

Person

Patents Grantslast 30 patents

Magneto-optical recording medium having a GDFECO readout magnetic film

Magneto-optical recording medium

Magneto-optical recording medium

Magnetic recording medium and method of fabricating the same

Magneto-optic recording medium and method of fabricating the same

Magneto-optical recording medium and recording and reading out proc...

Rewritable disk-shaped optical recording medium

Optical disk formation member for making an optical disk substrate

Optical disk substrate with land planes of uniform height

Magneto-optical recording medium and method of manufacturing same

Optical recording disk, and recording/reading apparatus using same

Magneto-optical recording medium

Magneto-optical information recording method and apparatus in which...

Method of producing a deposition film of composite material

Patents Applicationslast 30 patents

Magneto-optical recording medium