| 申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD., OSAKA, JP;TOKYO TUNGSTEN CO., LTD., TOKIO/TOKYO, JP |
发明人 |
OHARA, HISANORI, C/O ITAMI WORKS OF SUMITOMO, ITAMI-SHI, HYOGO, JP;KAWAI, HIROMU, C/O ITAMI WORKS OF SUMITOMO, ITAMI-SHI, HYOGO, JP;TAKAOKA, SHIGEHIKO, C/O TOKYO WORKS OF, KATSUSHIKA-KU, TOKYO, JP;KATOH, YASUHIRO, C/O TOKYO WORKS OF, KATSUSHIKA-KU, TOKYO, JP |
