DE19545186-A1 -- DE4036652-A   ;  DE4330623-A1   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M,  HIRAI C;  EP430017-A   HALDOR TOPSOE AS (TOPS)   ROSTRUPNIE J R,  JORN E;  WO9721257-A2 -- EP246649-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  EP401834-A   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  EP673074-A1   ROLLS ROYCE PLC (RORO)   GARDNER F J,  DAY M J,  BRANDON N P,  BROWNELL J B;  EP404712-A3   HALDOR TOPSOE AS (TOPS)   HANSEN T,  JORN E;  EP473153-A3   FAROOQUE M (FARO-Individual);  ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  EP246649-B   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  EP401834-B1   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  EP404712-B1   HALDOR TOPSOE AS (TOPS)   HANSEN T,  JORN E;  EP673074-B1   ROLLS ROYCE PLC (RORO)   GARDNER F J,  DAY M J,  BRANDON N P,  BROWNELL J B;  JP01076676-A   ;  JP01143154-A   ;  JP04115466-A   ;  JP62140375-A   HITACHI LTD (HITA)   YOSHIOKA S,  MURAKAMI T,  SHIMODA M,  HIGASHIYAMA K,  OTSUKA K;  US4772634-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  US5034287-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  WO9721257-A3 -- EP246649-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  EP401834-A   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  EP673074-A1   ROLLS ROYCE PLC (RORO)   GARDNER F J,  DAY M J,  BRANDON N P,  BROWNELL J B;  EP404712-A3   HALDOR TOPSOE AS (TOPS)   HANSEN T,  JORN E;  EP473153-A3   FAROOQUE M (FARO-Individual);  ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  EP673074-B1   ROLLS ROYCE PLC (RORO)   GARDNER F J,  DAY M J,  BRANDON N P,  BROWNELL J B;  JP01143154-A   ;  JP04115466-A   ;  JP62140375-A   HITACHI LTD (HITA)   YOSHIOKA S,  MURAKAMI T,  SHIMODA M,  HIGASHIYAMA K,  OTSUKA K;  JP64076676-A   ;  US4772634-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  US5034287-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  US6162556-A -- DE4032652-A   ;  DE4340623-A1   ;  EP246649-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  EP401834-A   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  EP404712-A   HALDOR TOPSOE AS (TOPS)   HANSEN T,  JORN E;  EP430017-A   HALDOR TOPSOE AS (TOPS)   ROSTRUPNIE J R,  JORN E;  EP473153-A   FAROOQUE M (FARO-Individual);  ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  EP673074-A1   ROLLS ROYCE PLC (RORO)   GARDNER F J,  DAY M J,  BRANDON N P,  BROWNELL J B;  US4547356-A   UNIQUE ENERGY SYST (UNIQ-Non-standard)   PAPINEAU R I;  US4743516-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  US4772634-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  US4917971-A   ENERGY RES CORP (ENER-Non-standard)   FAROQUE M,  FAROOQUE M;  US4946750-A   KTI GROUP BV (KTIK-Non-standard);  KINETICS TECHN INT (KINE-Non-standard);  US4994331-A   INT FUEL CELLS CORP (ITFU);  COHEN R (COHE-Individual)   COHEN R;  US5034287-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  EP865674-B1 -- EP246649-A   HITACHI LTD (HITA);  HITACHI ENG CO LTD (HITJ)   NOGUCHI Y,  NAGASAKI N,  HATTORI Y,  YOKOSKA K,  SUGITA S;  EP401834-A   OSAKA GAS CO LTD (OSAG)   IPPOMMATSU M,  HIRANO A,  SASAKI H;  EP404712-A   HALDOR TOPSOE AS (TOPS)   HANSEN T,  JORN E;  EP473153-A   FAROOQUE M (FARO-Individual);  ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  EP673074-A1   ROLLS ROYCE PLC (RORO)   GARDNER F J,  DAY M J,  BRANDON N P,  BROWNELL J B;  JP01076676-A   ;  JP01143154-A   ;  JP04115466-A   ;  JP62140375-A   HITACHI LTD (HITA)   YOSHIOKA S,  MURAKAMI T,  SHIMODA M,  HIGASHIYAMA K,  OTSUKA K;  US4772634-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  US5034287-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  JP4311762-B2 -- JP01076676-A   ;  JP03283266-A   ;  JP04087262-A   ;  JP04169073-A   ;  JP04190570-A   ;  JP06089735-A   ;  JP07135009-A   ;  WO1995010126-A1