Toshikazu Akita

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel plate quality assurance system and equipment thereof
- Patent number 8,920,024
- Issue date Dec 30, 2014
- JFE Steel Corporation
- Koji Narihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
STEEL PLATE QUALITY ASSURANCE SYSTEM AND EQUIPMENT THEREOF
- Publication number 20150023387
- Publication date Jan 22, 2015
- JFE STEEL CORPORATION
- Koji Narihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL PLATE QUALITY ASSURANCE SYSTEM AND EQUIPMENT THEREOF
- Publication number 20110103426
- Publication date May 5, 2011
- Koji Narihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...