申请人 |
MITSUBISHI MATERIALS CORP., TOKIO/TOKYO, JP |
发明人 |
TAKESHITA, TAKUO CHUO-KENKYUSHO, OMIYA-SHI SAITAMA 330, JP;NAKAYAMA, RYOJI CHUO-KENKYUSHO, OMIYA-SHI SAITAMA 330, JP;ISHII, YOSHINARI CHUO-KENKYUSHO, OMIYA-SHI SAITAMA 330, JP;OGAWA, TAMOTSU CHUO-KENKYUSHO, OMIYA-SHI SAITAMA 330, JP |