Hiroshi OTSUKA

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Refractory material, continuous casting nozzle using the refractory...
- Patent number 8,251,129
- Issue date Aug 28, 2012
- Krosakiharima Corporation
- Katsumi Morikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Immersion nozzle for continuous casting
- Patent number 8,113,391
- Issue date Feb 14, 2012
- Krosaki Harima Corporation
- Hiroshi Otsuka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Immersion nozzle for continuous casting
- Patent number 8,037,924
- Issue date Oct 18, 2011
- Krosaki Harima Corporation
- Koji Kido
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Immersion nozzle
- Patent number 7,641,081
- Issue date Jan 5, 2010
- Krosakiharima Corporation
- Koji Kido
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
REFRACTORY MATERIAL, CONTINUOUS CASTING NOZZLE USING THE REFRACTORY...
- Publication number 20110277951
- Publication date Nov 17, 2011
- KROSAKIHARIMA CORPORATION
- Katsumi MORIKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
IMMERSION NOZZLE FOR CONTINUOUS CASTING
- Publication number 20090242163
- Publication date Oct 1, 2009
- KROSAKI HARIMA CORPORATION
- Koji Kido
- B22 - CASTING POWDER METALLURGY
Information Patent Application
IMMERSION NOZZLE FOR CONTINUOUS CASTING
- Publication number 20090242592
- Publication date Oct 1, 2009
- KROSAKI HARIMA CORPORATION
- Hiroshi Otsuka
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Immersion nozzle
- Publication number 20090145934
- Publication date Jun 11, 2009
- Koji Kido
- B22 - CASTING POWDER METALLURGY