| (84) |
Designated Contracting States: |
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AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
| (30) |
Priority: |
31.03.2015 JP 2015070701
|
| (43) |
Date of publication of application: |
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07.02.2018 Bulletin 2018/06 |
| (73) |
Proprietor: Nippon Steel Corporation |
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Tokyo (JP) |
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| (72) |
Inventors: |
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- KOYAMA, Tatsuya
Tokyo 100-8071 (JP)
- KUBOTA, Manabu
Tokyo 100-8071 (JP)
|
| (74) |
Representative: Vossius & Partner
Patentanwälte Rechtsanwälte mbB |
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Siebertstrasse 3 81675 München 81675 München (DE) |
| (56) |
References cited: :
JP-A- H1 030 151 JP-A- H11 101 328 JP-A- 2005 200 667 JP-A- 2009 293 070 JP-A- 2010 163 666
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JP-A- H09 256 054 JP-A- 2003 183 773 JP-A- 2005 240 175 JP-A- 2010 059 484
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