Takashi Nara

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Patents Grantslast 30 patents

Information Patent Grant
Silver/metal oxide material for electrical contacts and method of p...
- Patent number 4,808,223
- Issue date Feb 28, 1989
- Fuji Electric Co., Ltd.
- Ryoji Ozaki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gallium alloy for dental restorations
- Patent number 4,659,384
- Issue date Apr 21, 1987
- Tokuriki Honten Company, Limited
- Yasuhito Daigo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE