M Fujita, H Tajika, Y Konno, S Murakami… - US Patent …, 2012 - Google Patents
5,625,384 A 4/1997 Numata et al. JP T-242O25 9, 1995 5,754,198 A 5, 1998 Nishikawa JP
8-156286 A 6, 1996 5, 898443 A 4/1999 Yoshino et al. JP 9-277509 A 10, 1997 5,949,965 A …