申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION;MUKAIGAITO, TAKEYA;TAKADA, SHINYA;YOKOZEKI, DAIGORO;SAKAI, MIKI;SAKAI, RIE;ARAI, KATSUYA;NISHIHARA, TAKUO;MURAYAMA, TAKAHIKO |
发明人 |
MUKAIGAITO, TAKEYA;TAKADA, SHINYA;YOKOZEKI, DAIGORO;SAKAI, MIKI;SAKAI, RIE;ARAI, KATSUYA;NISHIHARA, TAKUO;MURAYAMA, TAKAHIKO |