Takafumi Aoki

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sliding nozzle for molten steel receiving vessel
- Patent number 5,360,147
- Issue date Nov 1, 1994
- Tokyo Yogyo Kabushiki Kaisha
- Takafumi Aoki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Molten steel pouring nozzle
- Patent number 5,244,130
- Issue date Sep 14, 1993
- Akechi Ceramics Co., Ltd.
- Hidekichi Ozeki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Molten steel pouring nozzle
- Patent number 5,086,957
- Issue date Feb 11, 1992
- Akechi Ceramics Co., Ltd.
- Hidekichi Ozeki
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Molten steel pouring nozzle
- Patent number 4,989,762
- Issue date Feb 5, 1991
- Akechi Ceramics Co., Ltd.
- Mitsuru Ando
- B22 - CASTING POWDER METALLURGY