Yoshio Mitsumatsu

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Chita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lightning arrester insulator
- Patent number 4,571,660
- Issue date Feb 18, 1986
- Chubu Electric Co., Inc.; Mitsubishi Denki Kabushiki Kaisha & NGK Insulators
- Yoshio Mitsumatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage glazed porcelain insulators
- Patent number 4,465,900
- Issue date Aug 14, 1984
- NGK Insulators, Ltd.
- Yoshio Mitsumatsu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES