申请人 |
NIPPON TELEGRAPH & TELEPHONE CO. LTD., TOKIO/TOKYO, JP |
发明人 |
TSUCHIYA, TOSHIYUKI, YOKOHAMA-SHI, KANAGAWA-KEN, JP;SATO, JUN, YOKOHAMA-SHI, KANAGAWA-KEN, JP;OHNO, KAZUYOSHI, FUJIMI-SHI, SAITAMA-KEN, JP;MATSUI, SATOYUKI, KAMUKURA-SHI, KANAGAWA-KEN, JP |