申请人 |
HITACHI LTD |
发明人 |
SACHIO ISHIOKA, YOSHINORI IMAMURA, TSUYOSHI UDA, YUKIO TAKASAKI, CHUSHIROU KUSANO, HIROFUMI OGAWA, TATSUO MAKISHIMA ET TADAAKI HIRAI;IMAMURA YOSHINORI;UDA TSUYOSHI;TAKASAKI YUKIO;KUSANO CHUSHIROU;OGAWA HIROFUMI;MAKISHIMA TATSUO;HIRAI TADAAKI |