| 申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO, JP |
发明人 |
YAMAMOTO, KATSUHIKO C/O NIPPON TELEGRAPH AND, CHIYODA-KU TOKYO, JP;OHTSU, SATOSHI C/O NIPPON TELEGRAPH AND, CHIYODA-KU TOKYO, JP;YAMASHITA, TAKASHI C/O NIPPON TELEGRAPH AND, CHIYODA-KU TOKYO, JP |
