Jun Otani

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Large-heat-input butt welded joints having excellent brittle fractu...
- Patent number 7,829,202
- Issue date Nov 9, 2010
- Nippon Steel Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
High-strength thick steel plate excellent in low temperature toughn...
- Publication number 20070181223
- Publication date Aug 9, 2007
- Minoru Ito
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Large-heat-input butt welded joints having excellent brittle fractu...
- Publication number 20070131316
- Publication date Jun 14, 2007
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR