申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
SHIMADA, JUNICHI, HITACHI-SHI IBARAKI 319-12, JP;KOBAYASHI, KAZUTOSHI, KATSUTA-SHI IBARAKI 312, JP;SUGIURA, NOBORU, MITO-SHI IBARAKI 310, JP;KAWAKAMI, KAZUHIKO, KATSUTA-SHI IBARAKI 312, JP;KOSHIDA, RYOICHI, KATSUTA-SHI IBARAKI 312, JP |