申请人 |
MITSUBISHI MATERIALS CORP., TOKIO/TOKYO, JP |
发明人 |
YOSHIOKA, NARUO, YOKOZE-MACHI, CHICHIBU-GUN, SAITAMA 368, JP;KUMANO, KEISUKE, SHINAGAWA-KU, TOKYO 140, JP;SHIBAYAMA, TAKASHI, CHICHIBU-GUN, SAITAMA 368, JP;ITOU, TAKAAKI, CHICHIBU-GUN, SAITAMA 368, JP |