申请人 |
TOHO TITANIUM CO., LTD.;NIPPON STEEL CORPORATION;TANAKA, HISAMUNE;YAMAMOTO, NORIO;SHIRAKI, TAKESHI;ODA, TAKASHI;MIYAZAKI, YOSHIMASA;FUJII, YOSHIHIRO;TAKAHASHI, KAZUHIRO |
发明人 |
TANAKA, HISAMUNE;YAMAMOTO, NORIO;SHIRAKI, TAKESHI;ODA, TAKASHI;MIYAZAKI, YOSHIMASA;FUJII, YOSHIHIRO;TAKAHASHI, KAZUHIRO |