Masatoshi Otake

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Ome, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information recording medium and method for reproducing the same
- Patent number 4,748,611
- Issue date May 31, 1988
- Hitachi, Ltd.
- Toshiaki Tsuyoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for optically tracking information
- Patent number 4,541,082
- Issue date Sep 10, 1985
- Hitachi, Ltd.
- Tatsuo Horikoshi
- G11 - INFORMATION STORAGE