Hiroshi Okamoto

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat treating furnace for a continously supplied metal strip
- Patent number 6,007,761
- Issue date Dec 28, 1999
- Kawasaki Steel Corporation
- Tsuguhiko Nakagawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Oxygen blowing lance capable of being used in an electric furnace
- Patent number 5,788,920
- Issue date Aug 4, 1998
- Kawasaki Steel Corporation
- Hiroshi Okamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Humidity conditioner
- Patent number 4,915,715
- Issue date Apr 10, 1990
- Daiken Kogyo Kabushiki Kaisha
- Masayuki Oshima
- F24 - HEATING RANGES VENTILATING