申请人 |
HITACHI, LTD., TOKIO/TOKYO, JP;NGK SPARK PLUG CO., LTD., NAGOYA, AICHI, JP;INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER, TOKIO/TOKYO, JP |
发明人 |
HIGASHIYAMA, KAZUTOSHI, HITACHI-SHI, JP;USHIDA, TAKAHISA, MEITO-KU, NAGOYA-SHI, JP;HIRABAYASHI, IZUMI, MEITO-KU, NAGOYA-SHI, JP;TANAKA, SHOJI, SHINJUKU-KU, TOKYO, JP |