Yoichi Murayama

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Patents Grantslast 30 patents

Information Patent Grant
High vacuum ion plating device
- Patent number 3,974,059
- Issue date Aug 10, 1976
- Yoichi Murayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Ion-plating apparatus having an h.f. electrode for providing an h.f...
- Patent number 3,962,988
- Issue date Jun 15, 1976
- Yoichi Murayama, Nippon Electric Varian Ltd.
- Yoichi Murayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...