申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD.;NIPPON TELEGRAPH AND TELEPHONE CORPORATION;SUMIDEN OPCOM, LTD. |
发明人 |
SHIGEMATSU, MASAYUKI, C/O YOKOHAMA WORKS OF;FUKUMA, MASUMI, C/O YOKOHAMA WORKS OF;SHITOMI TATSUHIKO, C/O YOKOHAMA WORKS OF;NAKAZATO KOHJI, C/O YOKOHAMA WORKS OF;TOMITA, NOBUO;ARIMOTO, KAZUHIKO |