申请人 |
HITACHI, LTD.;MITSUBISHI KASEI CORP., TOKIO/TOKYO, JP |
发明人 |
IMAZEKI, SHUJI, HITACHI-SHI, JP;MUKOH, AKIO, MITO-SHI, JP;SATO, MIKIO, HITACHI-SHI, JP;KANEKO, MASAHARU, YAMATO-SHI, JP;OZAWA, TETSUO, SETAGAYA-KU TOKYO, JP;YONEYAMA, TOMIO, NAKAHARA-KU KAWASAKI-SHI, JP |