申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
KAJIWARA, TOSHIYUKI, KATSUSHIKA-KU, TOKYO, JP;SUGIYAMA, TOKUJI, TAGA-GUN, IBARAKI-KEN, JP;TAKAKURA, YOSHIO, HITACHI-SHI, JP;SAKANAKA, TAKAO, HITACHI-SHI, JP;YOSHIMURA, YASUTSUGU, HITACHI-SHI, JP;YASUDA, KEN-ICHI, KATSUTA-SHI, JP;KAGA, SHINICHI, HITACHI-SHI, JP |