Seiji Murata

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recording and reproduction device for a magneto-optic recording med...
- Patent number 6,243,326
- Issue date Jun 5, 2001
- Sanyo Electric Co., Ltd.
- Satoshi Sumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and manufacturing method thereof
- Patent number 5,968,678
- Issue date Oct 19, 1999
- Sanyo Electric., Ltd.
- Kenji Tanase
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording apparatus with simultaneous erasing and recording
- Patent number 4,993,011
- Issue date Feb 12, 1991
- Sanyo Electric Co., Ltd.
- Kenji Torazawa
- G11 - INFORMATION STORAGE