申请人 |
KYOWA HAKKO KOGYO CO., LTD., TOKIO/TOKYO, JP |
发明人 |
YAMAOKA, TSUGUO, CHIBA-KEN, JP;KOSEKI, KENICHI, CHIBA-SHI, CHIBA-KEN, JP;OBARA, MITSUHARU, YOKOHAMA-SHI, KANAGAWA-KEN, JP;SHIMIZU, IKUO, YOKKAICHI-SHI, MIE-KEN, JP;ITO, YUKIYOSHI, SETAGAYA-KU, TOKYO-TO, JP |