申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
KATAGIRI, JUNICHI, NAKA-GUN IBARAKI-KEN, JP;NAGAI, AKIRA, HITACHI-SHI, JP;TAWARA, KEIKO, HITACHI-SHI, JP;TAKAHASHI, AKIO, HITACHIOTA-SHI, JP;NARAHARA, TOSHIKAZU, NAKA-GUN IBARAKI-KEN, JP;HIRAGA, RYO, HITACHIOTA-SHI, JP;WAJIMA, MOTOYO, HITACHI-SHI, JP |