申请人 |
NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
USHIGAMI, YOSHIYUKI R & D LABORATORIES, YAHATAHIGASHIKU KITAKYUSYUSHI FUKUOKAKEN, JP;ABE, NORITO R & D LABORATORIES, YAHATAHIGASHIKU KITAKYUSYUSHI FUKUOKAKEN, JP;KOUSAKA, SADAMI R & D LABORATORIES, YAHATAHIGASHIKU KITAKYUSYUSHI FUKUOKAKEN, JP;NOZAWA, TADAO R & D LABORATORIES, YAHATAHIGASHIKU KITAKYUSYUSHI FUKUOKAKEN, JP;HONJO, OSAMU, CHIYODAKU TOKYO, JP;NAKAYAMA, TADASHI R & D LABORATORIES, YAHATAHIGASHIKU KITAKYUSYUSHI FUKUOKAKEN, JP |