| (84) |
Designated Contracting States: |
|
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: |
27.03.2015 JP 2015066825 08.06.2015 JP 2015115696
|
| (43) |
Date of publication of application: |
|
17.01.2018 Bulletin 2018/03 |
| (73) |
Proprietor: NIPPON STEEL CORPORATION |
|
Chiyoda-ku
Tokyo 100-8071 (JP) |
|
| (72) |
Inventors: |
|
- IZUMI, Keiji
Ichikawa-shi
Chiba 272-0011 (JP)
- OOTA, Yuugo
Ichikawa-shi
Chiba 272-0011 (JP)
- NAGATSU, Tomoyuki
Ichikawa-shi
Chiba 272-0011 (JP)
- MIURA, Norimasa
Sakai-shi
Osaka 592-8332 (JP)
- NORITA, Katsunari
Sakai-shi
Osaka 592-8332 (JP)
- OKUBO, Kenichi
Ichikawa-shi
Chiba 272-0011 (JP)
|
| (74) |
Representative: Patentanwälte Geyer, Fehners & Partner mbB |
|
Perhamerstrasse 31 80687 München 80687 München (DE) |
| (56) |
References cited: :
JP-A- H01 158 165 JP-A- H10 306 548 JP-A- 2003 074 163 JP-A- 2013 096 057
|
JP-A- H10 238 073 JP-A- 2002 309 752 JP-A- 2003 328 504 JP-A- 2013 256 773
|
|
| |
|
|
|
|