申请人 |
SUMITOMO METAL INDUSTRIES, LTD., OSAKA, JP;BRIDGESTONE CORPORATION, TOKIO/TOKYO, JP |
发明人 |
KOJIMA, SHOICHI, TOKIO/TOKYO, JP;MINAGAWA, KAZUHIRO, CHIBA, JP;SAITO, TASUKU, TOKOROZAWA, SAITAMA, JP;KURACHI, YASUO, TOKIO/TOKYO, JP;KANO, HARUYUKI, IBARAKI, JP |