申请人 |
NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
YOSHITOMI, YASUNARI, C/O NIPPON STEEL CORP. R&, KITAKYUSHU-SHI, FUKUOKA, JP;SENUMA, TAKEHIDE, C/O NIPPON STEEL CORP. R&, SAGAMIHARA-SHI, KANAGAWA, JP;SUGA, YOZO, C/O NIPPON STEEL CORP. R&D, KITAKYUSHU-SHI, FUKUOKA, JP;TAKAHASHI, NOBUYUKI, C/O NIPPON STEEL CORP. R&, KITAKYUSHU-SHI, FUKUOKA, JP |