申请人 |
RESEARCH DEVELOPMENT CORP. OF JAPAN, KAWAGUCHI, SAITAMA, JP;MITSUBISHI MATERIALS CORP., TOKIO/TOKYO, JP;KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP |
发明人 |
SASAKI, HITOSHI, TUKUBA-SHI, IBARAGI-KEN, JP;TERASHIMA, KAZUTAKA, EBINA-SHI, KANAGAWA-KEN, JP;TOKIZAKI, EIJI, TUKUBA-SHI, IBARAGI-KEN, JP |