申请人 |
NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
TAKAHASHI, NOBUYUKI, C/O NIPPON STEEL CORPORATION, KITAKYUSHU-SHI, FUKUOKA, JP;KUROKI, KATSURO, C/O NIPPON STEEL CORPORATION, KITAKYUSHU-SHI, FUKUOKA, JP;SUGA, YOZO, C/O NIPPON STEEL CORPORATION, KITAKYUSHU-SHI, FUKUOKA, JP;UENO, KIYOSHI,C/O NIPPON STEEL CORPORATIO, KITAKYUSHU-SHI, FUKUOKA, JP |