| 申请人 |
RISO KAGAKU CORP., TOKIO/TOKYO, JP |
发明人 |
NEGISHI, HIDEO, C/O RISO KAGAKU CORP. R&D CENTER, AMIMACHI, INASHIKI-GUN, IBARAKI, JP;SAKAI, TOSHIMITSU, C/O RISO KAGAKU CORP R&D CENTER, AMIMACHI, INASHIKI-GUN, IBARAKI, JP;TAKAHASHI, YASUHIRO, C/O RISO KAGAKU CORP R&D CENT, AMIMACHI, INASHIKI-GUN, IBARAKI, JP |
