Shunji Koya

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Top-firing hot blast stove
- Patent number 9,518,306
- Issue date Dec 13, 2016
- Nippon Steel & Sumikin Engineering Co., Ltd.
- Norimasa Maekawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Top-firing hot blast stove
- Patent number 9,017,068
- Issue date Apr 28, 2015
- Nippon Steel & Sumikin Engineering Co., Ltd.
- Norimasa Maekawa
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
TOP-FIRING HOT BLAST STOVE
- Publication number 20140011152
- Publication date Jan 9, 2014
- NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.
- Norimasa Maekawa
- C21 - METALLURGY OF IRON
Information Patent Application
TOP-FIRING HOT BLAST STOVE
- Publication number 20140004475
- Publication date Jan 2, 2014
- NS PLANT DESIGNING CORPORATION
- Norimasa Maekawa
- C21 - METALLURGY OF IRON