Shigemasa Nakagawa

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Narashino-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method and manufacturing apparatus of hot-rolled stee...
- Patent number 8,945,319
- Issue date Feb 3, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Hisayoshi Tachibana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Manufacturing apparatus of hot-rolled steel sheet and manufacturing...
- Patent number 8,500,927
- Issue date Aug 6, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Hisayoshi Tachibana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF HOT-ROLLED STEE...
- Publication number 20120318414
- Publication date Dec 20, 2012
- Sumitomo Metal Industries, Ltd.
- Hisayoshi Tachibana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MANUFACTURING APPARATUS OF HOT-ROLLED STEEL SHEET AND MANUFACTURING...
- Publication number 20120216923
- Publication date Aug 30, 2012
- Sumitomo Metal Industries, Ltd.
- Hisayoshi Tachibana
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...