Takashi Miyakawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of production of electric resistance welded steel pipe and h...
- Patent number 9,050,681
- Issue date Jun 9, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Hideki Hamatani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for monitoring of welding state
- Patent number 8,406,504
- Issue date Mar 26, 2013
- Nippon Steel & Sumitomo Metal Corporation
- Noboru Hasegawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steel pipe material weld zone heating apparatus and method
- Patent number 8,383,978
- Issue date Feb 26, 2013
- Nippon Steel Corporation
- Kazuhiko Fukutani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MONITORING WELDING OF ELECTRIC RESISTANCE WELDED STEEL P...
- Publication number 20220097163
- Publication date Mar 31, 2022
- NIPPON STEEL CORPORATION
- Noboru HASEGAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STEEL PIPE MATERIAL WELD ZONE HEATING APPARATUS AND METHOD
- Publication number 20100258535
- Publication date Oct 14, 2010
- Kazuhiko Fukutani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR MONITORING OF WELDING STATE
- Publication number 20100232678
- Publication date Sep 16, 2010
- Noboru Hasegawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF PRODUCTION OF ELECTRIC RESISTANCE WELDED STEEL PIPE AND H...
- Publication number 20100104888
- Publication date Apr 29, 2010
- Hideki Hamatani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR