Ryo Suzuki

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-magnetic substrate of magnetic head
- Patent number 5,242,865
- Issue date Sep 7, 1993
- Nippon Mining Co., Ltd
- Ryuichi Nagase
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES