;  EP1691209-A1 -- EP1469321-A1   DENSO CORP (NPDE)   TANIGUCHI M,  ICHIKAWA A,  HASHIKAWA A,  MIZUNO S,  SAKAI S,  SATOU H,  MIZUNO N,  MORITA Y;  JP09243716-A   ;  JP2003249271-A   AKUSON DATA MACHINE KK (AKUS-Non-standard)   YAMAZAKI T;  EP1691209-B1 -- EP1469321-A1   DENSO CORP (NPDE)   TANIGUCHI M,  ICHIKAWA A,  HASHIKAWA A,  MIZUNO S,  SAKAI S,  SATOU H,  MIZUNO N,  MORITA Y;  KR880717-B1 -- EP146932-A   NIHON SHUNO SYST (NISH-Non-standard)   SHIMADA Y;  JP09243716-A   ;  JP2003249271-A   AKUSON DATA MACHINE KK (AKUS-Non-standard)   YAMAZAKI T;  US7554296-B2 -- EP1469321-A1   DENSO CORP (NPDE)   TANIGUCHI M,  ICHIKAWA A,  HASHIKAWA A,  MIZUNO S,  SAKAI S,  SATOU H,  MIZUNO N,  MORITA Y;  JP03183328-A   ;  JP06059003-A   ;  JP08029505-A   ;  JP09243716-A   ;  JP2000067932-A   NIPPON TELEGRAPH & TELEPHONE CORP (NITE)   HIRAI T,  SATO Y,  NAKAUCHIKI K,  KANO Y;  JP2000147075-A   NIPPONDENSO CO LTD (NPDE)   KOBAYASHI T;  JP2001157377-A   TOYOTA JIDOSHA KK (TOYT);  NIPPON SOKEN INC (NSOK)   OHKUBO N,  KISHIDA S,  ITO S,  KAWAI T,  KIKUCHI K,  KIKUCHI T;  JP2003249271-A   AKUSON DATA MACHINE KK (AKUS-Non-standard)   YAMAZAKI T;  US5539318-A   TOYOTA JIDOSHA KK (TOYT)   SASAKI T;  US5606242-A   DURACELL INC (MALO)   HULL M P,  TAYLOR A H,  HRUSKA L W,  FRIEL D D;  US5825156-A   LAB ELECTRONIQUE PHILIPS SAS (PHIG);  PHILIPS ELECTRONICS NV (PHIG)   PATILLON J,  GERARD O;  US5936385-A   LAB ELECTRONIQUE PHILIPS SAS (PHIG);  PHILIPS ELECTRONICS NV (PHIG)   PATILLON J,  DALCHE-BUC F,  NADAL J;  US6064180-A   GENERAL MOTORS CORP (GENK);  UNIV INDIANA FOUND (INDV)   SULLIVAN M S,  CHEN Y,  EBERHART R C,  BROST R D;  US6150823-A   CANON KK (CANO)   TAKAHASHI K,  HARIGAYA I,  TAKIMOTO H,  TOBE K,  SAEKI T;  US20040207367-A1   ;  US20050194936-A1   ;  US6232747-B1   CANON KK (CANO)   TAKAHASHI K,  HARIGAYA I,  TAKIMOTO H,  TOBE K,  SAEKI T;  US6621250-B1   TOYOTA JIDOSHA KK (TOYT);  NIPPON SOKEN INC (NSOK)   OHKUBO N,  KISHIDA S,  ITO S,  KAWAI T,  KIKUCHI K,  KIKUCHI T;  JP4582583-B2 -- JP2003164006-A   NISSAN MOTOR CO LTD (NSMO)   HIRATA N,  SAKAI K,  NAKADA Y;  JP2004271410-A   HITACHI LTD (HITA)   SASAZAWA N,  MITSUI T;  JP2004333472-A   DENSO CORP (NPDE)   TANIGUCHI M,  ICHIKAWA A,  HASHIKAWA A,  MIZUNO S,  SAKAI S,  SATOU H,  MIZUNO N,  MORITA Y;  JP4582584-B2 -- JP08075833-A   ;  JP11218567-A   NISSAN MOTOR CO LTD (NSMO)   TSUJI T;  JP2004333472-A   DENSO CORP (NPDE)   TANIGUCHI M,  ICHIKAWA A,  HASHIKAWA A,  MIZUNO S,  SAKAI S,  SATOU H,  MIZUNO N,  MORITA Y;  JP4587299-B2 -- JP09243717-A   ;  JP2003153452-A   NISSAN MOTOR CO LTD (NSMO)   SAKAI K;  JP2004333472-A   DENSO CORP (NPDE)   TANIGUCHI M,  ICHIKAWA A,  HASHIKAWA A,  MIZUNO S,  SAKAI S,  SATOU H,  MIZUNO N,  MORITA Y;  JP4609883-B2 -- JP09243717-A   ;  JP2003153452-A   NISSAN MOTOR CO LTD (NSMO)   SAKAI K;  JP2004333472-A   DENSO CORP (NPDE)   TANIGUCHI M,  ICHIKAWA A,  HASHIKAWA A,  MIZUNO S,  SAKAI S,  SATOU H,  MIZUNO N,  MORITA Y