| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;SEISAN KAIHATSU KAGAKU KENKYUSHO;TDK CORPORATION;NIPPON MINING CO., LTD.;NEC CORPORATION;UBE INDUSTRIES, LTD.;KANGAFUCHI CHEMICAL INDUSTRY CO., LTD.;NIPPON STEEL CORPORATION;TOSOH CORPORATION;TOYO BOSEKI KABUSHIKI KAISHA |
发明人 |
SAKAKIMA, HIROSHI;SATOMI, MITSUO;TAKADA, TOSHIO;SHINJO, TERUYA |
