Yuuichi Fukamachi

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Ikoma, JP

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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
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 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

Patents Applicationslast 30 patents

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