US2005092617-A1 -- US4562123-A   HITACHI LTD (HITA)   SHIMIZU T,  SATOU T,  TSUKUI T,  DOI R,  YAMAGUCHI M;  US4810597-A   HITACHI LTD (HITA)   KUMAGAI T,  HORIBA T,  KAMO T,  TAKEUCHI S,  HITACHIOH I,  IWAMOTO K,  KITAMI K,  TAMURA K;  US5439756-A   MOTOROLA INC (MOTI)   BLANTON G W,  ANANI A A,  MALASPINA F P;  US5585749-A   MOTOROLA INC (MOTI)   PACE G L,  OVERTON D H;  US5587250-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G;  US5659206-A   NIKON CORP (NIKR)   TAGUCHI F,  SATO K;  US5670266-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5744984-A   MOTOROLA INC (MOTI)   GODFREY P J,  PACE G L,  DRAPAC G A,  JACKOSKI K E;  US5916699-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US6087812-A   MOTOROLA INC (MOTI)   THOMAS G,  GARRETT S M,  MORE' G,  FERNANDEZ J M;  US6322917-B1   PLUG POWER LLC (PLUG-Non-standard)   ACKER W P;  US6376111-B1   GENERAL MOTORS CORP (GENK)   MATHIAS M F,  GROT S A;  US6583523-B1   INVERTERS UNLIMITED INC (INVE-Non-standard)   BHATE S K;  US6590370-B1   MTI MICROFUEL CELLS INC (MTIM-Non-standard)   LEACH D H;  US6975813-B1   FUJITSU LTD (FUIT)   INOUE T,  IKEUCHI T,  ROKUGAWA H,  KAWAI M,  UENO N,  MURAKAMI N,  MATSUYAMA T,  MIKI M,  TAKAUJI T;  US6504339-B2   PARKS J (PARK-Individual);  SKIDMORE D (SKID-Individual);  HARDWICKE E (HARD-Individual);  HOEHN J G (HOEH-Individual)   PARKS J,  SKIDMORE D,  HARDWICKE E,  HOEHN J G;  US6620538-B2   AVISTA LAB INC (AVIS-Non-standard)   BAI L,  LOTT D R,  MARTIN V L;  US7270900-B2 -- SU1610522-A   ;  US4562123-A   HITACHI LTD (HITA)   SHIMIZU T,  SATOU T,  TSUKUI T,  DOI R,  YAMAGUCHI M;  US4810597-A   HITACHI LTD (HITA)   KUMAGAI T,  HORIBA T,  KAMO T,  TAKEUCHI S,  HITACHIOH I,  IWAMOTO K,  KITAMI K,  TAMURA K;  US5439756-A   MOTOROLA INC (MOTI)   BLANTON G W,  ANANI A A,  MALASPINA F P;  US5585749-A   MOTOROLA INC (MOTI)   PACE G L,  OVERTON D H;  US5587250-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G;  US5659206-A   NIKON CORP (NIKR)   TAGUCHI F,  SATO K;  US5670266-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5744984-A   MOTOROLA INC (MOTI)   GODFREY P J,  PACE G L,  DRAPAC G A,  JACKOSKI K E;  US5916699-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US6087812-A   MOTOROLA INC (MOTI)   THOMAS G,  GARRETT S M,  MORE' G,  FERNANDEZ J M;  US20050110453-A1   ;  US6322917-B1   PLUG POWER LLC (PLUG-Non-standard)   ACKER W P;  US6376111-B1   GENERAL MOTORS CORP (GENK)   MATHIAS M F,  GROT S A;  US6583523-B1   INVERTERS UNLIMITED INC (INVE-Non-standard)   BHATE S K;  US6590370-B1   MTI MICROFUEL CELLS INC (MTIM-Non-standard)   LEACH D H;  US6975813-B1   FUJITSU LTD (FUIT)   INOUE T,  IKEUCHI T,  ROKUGAWA H,  KAWAI M,  UENO N,  MURAKAMI N,  MATSUYAMA T,  MIKI M,  TAKAUJI T;  US6504339-B2   PARKS J (PARK-Individual);  SKIDMORE D (SKID-Individual);  HARDWICKE E (HARD-Individual);  HOEHN J G (HOEH-Individual)   PARKS J,  SKIDMORE D,  HARDWICKE E,  HOEHN J G;  US6620538-B2   AVISTA LAB INC (AVIS-Non-standard)   BAI L,  LOTT D R,  MARTIN V L;  WO2003092093-A2   UBE IND LTD (UBEI)   OHYA S,  TAKAGI J