Toshiro Watanabe

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for applying refractory material onto the inner surface o...
- Patent number 4,225,083
- Issue date Sep 30, 1980
- Kurosaki Refractories Co., Ltd.
- Sueki Kubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for applying refractory material onto the inner surface o...
- Patent number 4,222,522
- Issue date Sep 16, 1980
- Kurosaki Refractories Co., Ltd.
- Sueki Kubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for applying refractory material onto the inner surface o...
- Patent number 4,120,260
- Issue date Oct 17, 1978
- Kurosaki Refractories Co., Ltd.
- Sueki Kubo
- C21 - METALLURGY OF IRON