申请人 |
SUMITOMO CEMENT CO., LTD., TOKIO/TOKYO, JP;SEIKO INSTRUMENTS INC., TOKIO/TOKYO, JP;SEIKO ELECTRONIC COMPONENTS LTD., SENDAI, MIYAGI, JP |
发明人 |
KIHARA, HIROSHI/ SUMITOMO CEMENT KYOWA-RYO, CHIBA-KEN, JP;ARAI, EIKI, CHIBA-KEN, JP;OGATA, SHIGEAKI, CHIBA-KEN, JP;KATAGIRI, YOSHIO, TOKYO, JP;FUJITA, KATSUYUKI, TOKYO, JP;WACHIGAI, TADAHIKO, SENDAI-SHI MIYAGI-KEN, JP;HIRATSUKA, HIROYOSHI, TAIHAKU-KU SENDAI-SHI MIYAGI-KEN, JP |