申请人 |
YOSHIDA KOGYO K.K., TOKIO/TOKYO, JP;MASUMOTO, TSUYOSHI, SENDAI, MIYAGI, JP;TEIKOKU PISTON RING CO., LTD., TOKIO/TOKYO, JP |
发明人 |
MASUMOTO, TSUYOSHI, SENDAI-SHI, MIYAGI, JP;INOUE, AKIHISA, AOBA-KU, SENDAI-SHI, MIYAGI, JP;YAMAGUCHI, HITOSHI, OKAYA-SHI, NAGANO, JP;KITA, KAZUHIKO, SENDAI-SHI MIYAGI, JP;TAKEDA, HIDEKI, KAWASAKI-SHI, KANAGAWA, JP |