EP974564-A1 -- DE19630991-A1   SIEMENS AG (SIEI);  FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   HOFER G,  SCHMIDT H,  HILPERT K;  DE19630991-C2   SIEMENS AG (SIEI);  FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   HOFER G,  SCHMIDT H,  HILPERT K;  EP338823-A   TOA NENRYO KOGYO KK (TOFU)   YOSHIDA T,  SHIMA T,  ISHIZAKI F,  IWASAKI H,  MUKAIZAWA I,  SOMEYA Y,  SAKURADA S,  YAMAMOT O O;  EP714147-A1   SULZER INNOTEC AG (SULZ)   BATAWI E;  EP722193-A1   SULZER INNOTEC AG (SULZ)   HONEGGER K,  BATAWI E;  EP338823-B1   TOA NENRYO KOGYO KK (TOFU)   YOSHIDA T,  SHIMA T,  ISHIZAKI F,  IWASAKI H,  MUKAIZAWA I,  SOMEYA Y,  SAKURADA S,  YAMAMOT O O;  EP714147-B1   SULZER INNOTEC AG (SULZ)   BATAWI E;  EP722193-B1   SULZER INNOTEC AG (SULZ)   HONEGGER K,  BATAWI E;  JP01100866-A   ;  US5411767-A   NGK INSULATORS LTD (NIGA)   SOMA T,  KAWASAKI S,  ITO S,  YOSHIOKA K;  US6228522-B1 -- DE19630991-A1   SIEMENS AG (SIEI);  FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   HOFER G,  SCHMIDT H,  HILPERT K;  EP338823-A   TOA NENRYO KOGYO KK (TOFU)   YOSHIDA T,  SHIMA T,  ISHIZAKI F,  IWASAKI H,  MUKAIZAWA I,  SOMEYA Y,  SAKURADA S,  YAMAMOT O O;  EP714147-A1   SULZER INNOTEC AG (SULZ)   BATAWI E;  EP714417-A1   BIOCOMPATIBLES LTD (BIOC-Non-standard)   NAKABAYASHI N,  ISHIHARA K,  JONES S A,  STRATFORD P W;  EP722193-A1   SULZER INNOTEC AG (SULZ)   HONEGGER K,  BATAWI E;  EP974564-A1   SULZER HEXIS AG (SULZ)   BATAWI E,  PLAS A;  JP01100866-A   ;  JP2000053424-A   SULZER HEXIS AG (SULZ)   BATAWI E,  PLAS A;  US5389456-A   WESTINGHOUSE ELECTRIC CORP (WESE)   SINGH P,  RUKA R J;  US5391440-A   WESTINGHOUSE ELECTRIC CORP (WESE)   KUO L J H,  VORA S D;  US5411767-A   NGK INSULATORS LTD (NIGA)   SOMA T,  KAWASAKI S,  ITO S,  YOSHIOKA K;  US5418081-A   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  OKUMURA K,  YOSHIOKA K;  US5432024-A   NGK INSULATORS LTD (NIGA)   SOMA T,  TAKAHASHI T,  KAWASAKI S,  MORI K,  ITO Y,  YOSHIOKA K;  US5445903-A   TECHNOLOGY MANAGEMENT INC (TECH-Non-standard)   CABLE T L,  PETRIK M A;  US5453330-A   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  YOSHIOKA K;  US5480739-A   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  ITO S;  US5496655-A   LOCKHEED IDAHO TECHNOLOGIES CO (LOCK)   LESSING P A;  US5741605-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GILLETT J E,  DEDERER J T,  ZAFRED P R,  COLLIE J C;  US5770326-A   LIMAYE S Y (LIMA-Individual)   LIMAYE S Y;  US5878752-A   PHILIP MORRIS PROD INC (PHIM)   ADAMS J M,  CROWE W J,  FLEISCHHAUER G S,  FOURNIER J A,  HAJALIGOL M R,  HOUCK W G,  LOSEE D B,  MORGAN C H,  NAWORAL J D,  NUNNALLY H N,  PAINE J B,  RAYMOND W R,  RIPLEY R L,  SEEMAN J I,  SPRINKEL F M,  WATKINS M L;  US5932368-A   SULZER INNOTEC AG (SULZ)   BATAWI E,  HONEGGER K;  US5964991-A   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  ITO S,  OKUMURA K;  US6054231-A   GAS RES INST (GASR-Non-standard)   VIRKAR A V,  ENGLAND D M;  US6085413-A   ;  AU751725-B -- US5389456-A   WESTINGHOUSE ELECTRIC CORP (WESE)   SINGH P,  RUKA R J;  US5391440-A   WESTINGHOUSE ELECTRIC CORP (WESE)   KUO L J H,  VORA S D;  US5453330-A   NGK INSULATORS LTD (NIGA)   KAWASAKI S,  YOSHIOKA K;  EP974564-B1 -- DE19630991-A1   SIEMENS AG (SIEI);  FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   HOFER G,  SCHMIDT H,  HILPERT K;  EP338823-A   TOA NENRYO KOGYO KK (TOFU)   YOSHIDA T,  SHIMA T,  ISHIZAKI F,  IWASAKI H,  MUKAIZAWA I,  SOMEYA Y,  SAKURADA S,  YAMAMOT O O;  EP714147-A1   SULZER INNOTEC AG (SULZ)   BATAWI E;  EP722193-A1   SULZER INNOTEC AG (SULZ)   HONEGGER K,  BATAWI E;  JP01100866-A   ;  US5411767-A   NGK INSULATORS LTD (NIGA)   SOMA T,  KAWASAKI S,  ITO S,  YOSHIOKA K