申请人 |
KABUSHIKI KAISHA HITACHI SEISAKUSHO, TOKIO/TOKYO;NIHON VICTOR K.K., YOKOHAMA;TAKAHASHI, MIGAKU |
发明人 |
TAKAHASHI, MIGAKU;YOKOYAMA, KATSUYA NIHON VICTOR KABUSHIKI-KAISHA;YAMADA, JUN K.K.HITACHI SEISAKUSHO KADEN KENKYUSHO;SHIBA, TAKASHI K.K. HITACHI SEISAKUSHO |