Kazumichi Hatate

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data recording medium and data recording apparatus for recording id...
- Patent number 5,848,037
- Issue date Dec 8, 1998
- Sony Corporation
- Yasuo Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Video disc recording and playback system with two recording areas t...
- Patent number 5,657,309
- Issue date Aug 12, 1997
- Sony Corporation
- Kan Ebisawa
- G11 - INFORMATION STORAGE