Keizo Kazama

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Ichikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alloy target for manufacturing a magneto-optical recording medium
- Patent number 4,915,737
- Issue date Apr 10, 1990
- Sumitomo Metal Mining Company Limited
- Toshio Morimoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...