EP810310-A -- EP383614-A   NIPPON OIL KK (NIOC)   UEMURA S,  IDO Y,  SOHDA Y;  EP481762-A   TONEN CORP (TOFU)   HINO T,  KOMINE K,  YAMAMOTO M;  US4671841-A   ROHR INDS INC (ROHR)   STEPHENS G E;  WO9722741-A -- JP5278032-A   NIPPON STEEL CORP (YAWA);  NIPPON STEEL CHEM CO (YAWH);  JP8209492-A   NIPPON STEEL CORP (YAWA);  SAKASE ADTECH CO (SAKA-Non-standard)   KUBOMURA K,  KIMURA H,  SHIBATA H;  JP90038481-U   ;  US3446251-A   ;  US4036262-A   BARBER-COLMAN CO (BARB-Non-standard);  US4438173-A   BARBER COLMAN CO (BARB)   TROST W C;  WO9722741-A1 -- JP2038481-U   TOHO KAGAKU KK (TOHR);  JP5278032-A   NIPPON STEEL CORP (YAWA);  NIPPON STEEL CHEM CO (YAWH);  JP8209492-A   NIPPON STEEL CORP (YAWA);  SAKASE ADTECH CO (SAKA-Non-standard)   KUBOMURA K,  KIMURA H,  SHIBATA H;  US3446251-A   ;  US4036262-A   BARBER-COLMAN CO (BARB-Non-standard);  US4438173-A   BARBER COLMAN CO (BARB)   TROST W C;  EP810310-A1 -- EP383614-A   NIPPON OIL KK (NIOC)   UEMURA S,  IDO Y,  SOHDA Y;  EP481762-A   TONEN CORP (TOFU)   HINO T,  KOMINE K,  YAMAMOTO M;  EP481762-A3   TONEN CORP (TOFU)   HINO T,  KOMINE K,  YAMAMOTO M;  US4671841-A   ROHR INDS INC (ROHR)   STEPHENS G E;  JP3401716-B2 -- JP2216219-A   NIPPON OIL KK (NIOC)   UEMURA S,  IDO Y,  SOHDA Y;  JP4163318-A   TONEN CORP (TOFU)   HINO T,  KOMINE K,  YAMAMOTO M;  JP5278032-A   NIPPON STEEL CORP (YAWA);  NIPPON STEEL CHEM CO (YAWH);  JP50132260-A   N F DOWEAVE INC (GENE);  DOWEAVE INC (GENE);  KENDALL CO (KEND);  BARBER COLMAN CO (BARB);  EP810310-B1 -- EP383614-A   NIPPON OIL KK (NIOC)   UEMURA S,  IDO Y,  SOHDA Y;  EP481762-A   TONEN CORP (TOFU)   HINO T,  KOMINE K,  YAMAMOTO M;  JP5278032-A   NIPPON STEEL CORP (YAWA);  NIPPON STEEL CHEM CO (YAWH);  JP8209492-A   NIPPON STEEL CORP (YAWA);  SAKASE ADTECH CO (SAKA-Non-standard)   KUBOMURA K,  KIMURA H,  SHIBATA H;  JP90038481-U   ;  US3446251-A   ;  US4036262-A   BARBER-COLMAN CO (BARB-Non-standard);  US4438173-A   BARBER COLMAN CO (BARB)   TROST W C;  US4671841-A   ROHR INDS INC (ROHR)   STEPHENS G E