申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
KOYANAGI, OSAMU, HITACHI-SHI, IBARAKI 316, JP;HIRASAWA, KUNIO, HITACHI-SHI, IBARAKI 316, JP;TSUKUSHI, MASANORI, HITACHI-SHI, IBARAKI 316, JP;KUROSAWA, YUKIO, HITACHI-SHI, IBARAKI 316, JP;SATO, TADASHI, MITO-SHI, IBARAKI 311-41, JP;OSHITA, YOUICHI, KATSUTA-SHI, IBARAKI 312, JP |