申请人 |
MITSUI MINING & SMELTING CO., LTD.;KATAOKA, TAKASHI;HIRASAWA, YUTAKA;YAMAMOTO, TAKUYA;IWAKIRI, KENICHIRO;HIGUCHI, TSUTOMU;SUGIMOTO, AKIKO;YOSHIOKA, JUNSHI;OBATA, SHINICHI;TOMONAGA, SAKIKO;DOBASHI, MAKOTO |
发明人 |
KATAOKA, TAKASHI;HIRASAWA, YUTAKA;YAMAMOTO, TAKUYA;IWAKIRI, KENICHIRO;HIGUCHI, TSUTOMU;SUGIMOTO, AKIKO;YOSHIOKA, JUNSHI;OBATA, SHINICHI;TOMONAGA, SAKIKO;DOBASHI, MAKOTO |