| 申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
KASAHARA, HISASHI NIPPON TELEGRAPH AND TELEPHONE;KOIKE, HIDEKI NIPPON TELEGRAPH AND TELEPHONE;HORIKOSHI, TSUTOMU NIPPON TELEGRAPH AND TELEPHONE;TONOMURA, YOSHINOBU NIPPON TELEGRAPH AND TELEPHONE;KISHIMOTO, TOMIO NIPPON TELEGRAPH AND TELEPHONE |
