申请人 |
SHOWA DENKO K.K.;TAKEUCHI, MASATAKA;NAIJO, SHUICHI;ITO, NAOKO;SHIRANE, KORO;IGARASHI, TAKESHI;TAKAHASHI, YOSHIAKI;KAMACHI, MOTOAKI |
发明人 |
TAKEUCHI, MASATAKA;NAIJO, SHUICHI;ITO, NAOKO;SHIRANE, KORO;IGARASHI, TAKESHI;TAKAHASHI, YOSHIAKI;KAMACHI, MOTOAKI |