EP1134821-A1 -- EP319489-A   PERMELEC ELECTRODE LTD (PERE)   NISHIKI Y,  NAKAMATSU S,  SHIMAMUNE T;  US3520780-A   XEROX CORP (XERO);  US5597661-A   SHOWA DENKO KK (SHOW)   TAKEUCHI M,  TOKITA K,  UEDA M,  NOGUCHI J,  YASHIMA H;  JP3353070-B2 -- JP06322587-A   ;  JP11140661-A   TOKYO INST TECHNOLOGY (TOKD)   YOSHIMURA M,  HAN K;  JP2001163700-A   ;  JP90055518-B   ;  JP93002750-B   ;  US6562218-B2 -- EP319489-A   PERMELEC ELECTRODE LTD (PERE)   NISHIKI Y,  NAKAMATSU S,  SHIMAMUNE T;  JP11140661-A   TOKYO INST TECHNOLOGY (TOKD)   YOSHIMURA M,  HAN K;  US3520780-A   XEROX CORP (XERO);  US3922208-A   FORD MOTOR CO (FORD)   CORDONE L G,  DONAKOWSKI W A,  MORGAN J R,  ROEMMING K;  US4514266-A   REPUBLIC STEEL CORP (REPS);  LTV STEEL CO (LINJ)   COLE F J,  HAHN N;  US5198095-A   NKK CORP (NIKN)   URAKAWA T,  SUGIMOTO Y;  US5597661-A   SHOWA DENKO KK (SHOW)   TAKEUCHI M,  TOKITA K,  UEDA M,  NOGUCHI J,  YASHIMA H;  US2003155251-A1 -- US3520780-A   XEROX CORP (XERO);  US3922208-A   FORD MOTOR CO (FORD)   CORDONE L G,  DONAKOWSKI W A,  MORGAN J R,  ROEMMING K;  US4514266-A   REPUBLIC STEEL CORP (REPS);  LTV STEEL CO (LINJ)   COLE F J,  HAHN N;  US5198095-A   NKK CORP (NIKN)   URAKAWA T,  SUGIMOTO Y;  US5514422-A   FORD MOTOR CO LTD (FORD)   MCCUNE R C;  US5597661-A   SHOWA DENKO KK (SHOW)   TAKEUCHI M,  TOKITA K,  UEDA M,  NOGUCHI J,  YASHIMA H;  US6165624-A   TOKYO INST TECHNOLOGY (TOKD)   YOSHIMURA M,  HAN K;  US6797143-B2 -- EP319489-A   PERMELEC ELECTRODE LTD (PERE)   NISHIKI Y,  NAKAMATSU S,  SHIMAMUNE T;  JP11140661-A   TOKYO INST TECHNOLOGY (TOKD)   YOSHIMURA M,  HAN K;  US3520780-A   XEROX CORP (XERO);  US3922208-A   FORD MOTOR CO (FORD)   CORDONE L G,  DONAKOWSKI W A,  MORGAN J R,  ROEMMING K;  US4514266-A   REPUBLIC STEEL CORP (REPS);  LTV STEEL CO (LINJ)   COLE F J,  HAHN N;  US5198095-A   NKK CORP (NIKN)   URAKAWA T,  SUGIMOTO Y;  US5514422-A   FORD MOTOR CO LTD (FORD)   MCCUNE R C;  US5597661-A   SHOWA DENKO KK (SHOW)   TAKEUCHI M,  TOKITA K,  UEDA M,  NOGUCHI J,  YASHIMA H;  US6165624-A   TOKYO INST TECHNOLOGY (TOKD)   YOSHIMURA M,  HAN K