申请人 |
HITACHI, LTD., TOKIO/TOKYO |
发明人 |
OOHASHI, TUNEYOSHI, HITACHIOOTA-SHI, IBARAKI 313;YAMAGUCHI, MOTOO, HITACHI-SHI, IBARAKI 316;WADA, AKIRA, HITACHI-SHI, IBARAKI 319-12;SHIRAKURA, TOSHIHARU, NAKA-GUN, IBARAKI 319-11;KICHIKAWA, TOSHIMICHI, HITACHI-SHI, IBARAKI 316;SUGAWARA, HIROYUKI, HITACHI-SHI, IBARAKI 316 |