申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
URUSHIDANI, HARUO, HITACHI-SHI, JP;TAKIHANA, SEISAKU, NAKA-GUN, IBARAKI-KEN, JP;KUMATA, KAZUHIKO, KATSUTA-SHI, JP;SHIMURA, AKIRA, HITACHI-SHI, JP;ARAI, OSAMU, HITACHI-SHI, JP;IWAMIYA, TAKESHI, KATSUTA-SHI, JP;IKEDA, HIRAKU, KATSUTA-SHI, JP |