EP1821031-A2 -- DE20205728-U1   ZENT SONNENENERGIE & WASSERSTOFF-FORSCH (SONN-Non-standard);  EP1653148-A1   TOYOTA JIDOSHA KK (TOYT)   MIKI Y,  SHIRAI K,  KIMURA A,  YOSHIDA N,  YUMITA O;  EP1331680-A2   TOSHIBA KK (TOKE)   HACHIYA S,  OZEKI A;  GB2403588-A   VOLLER ENERGY LTD (VOLL-Non-standard)   CLARKE M;  US20020098396-A1   ;  US20040131903-A1   ;  US20040157111-A1   ;  US20060068239-A1   ;  US20060228599-A1   ;  EP1821031-A3 -- DE20205728-U1   ZENT SONNENENERGIE & WASSERSTOFF-FORSCH (SONN-Non-standard);  EP1653148-A1   TOYOTA JIDOSHA KK (TOYT)   MIKI Y,  SHIRAI K,  KIMURA A,  YOSHIDA N,  YUMITA O;  EP1331680-A2   TOSHIBA KK (TOKE)   HACHIYA S,  OZEKI A;  GB2403588-A   VOLLER ENERGY LTD (VOLL-Non-standard)   CLARKE M;  US20020098396-A1   ;  US20040131903-A1   ;  US20040157111-A1   ;  US20060068239-A1   ;  US20060228599-A1   ;  US2008003464-A1 -- US20020098396-A1   ;  US20040131903-A1   ;  US20040157111-A1   ;  US20060068239-A1   ;  US20060228599-A1   ;  US20070178335-A1   ;  US7964313-B2 -- DE20205728-U1   ZENT SONNENENERGIE & WASSERSTOFF-FORSCH (SONN-Non-standard);  EP1653148-A1   TOYOTA JIDOSHA KK (TOYT)   MIKI Y,  SHIRAI K,  KIMURA A,  YOSHIDA N,  YUMITA O;  EP1331680-A2   TOSHIBA KK (TOKE)   HACHIYA S,  OZEKI A;  GB2403588-A   VOLLER ENERGY LTD (VOLL-Non-standard)   CLARKE M;  JP2004311041-A   ;  US20020098396-A1   ;  US20040131903-A1   ;  US20040157111-A1   ;  US20060068239-A1   ;  US20060228599-A1   ;  US20070178335-A1   ;  WO2005038973-A1   ALBERTA RES COUNCIL INC (ALBE-Non-standard)   ZHENG R,  RHO H,  YAMARTE L,  KOVACIK G J,  SARKAR P;  JP5066637-B2 -- EP1331680-A2   TOSHIBA KK (TOKE)   HACHIYA S,  OZEKI A;  JP2002222658-A   HONDA GIKEN KOGYO KK (HOND)   KOBAYASHI T,  KURIIWA T,  NUIYA Y;  JP2003323911-A   CASIO COMPUTER CO LTD (CASK)   SHIOYA M;  JP2004179074-A   ;  JP2004185936-A   SANYO ELECTRIC CO LTD (SAOL)   SAKAMOTO S,  YOSHIMOTO Y;  JP2004311041-A   ;  JP2006128088-A   NORIMATSU Y (NORI-Individual);  KANOUDA A (KANO-Individual);  KIKUCHI M (KIKU-Individual)   NORIMATSU Y,  KANOUDA A,  KIKUCHI M;  JP2006294470-A   TOSHIBA KK (TOKE)   TAKAIWA Y;  JP2007509470-A   ALBERTA RES COUNCIL INC (ALBE-Non-standard)   ZHENG R,  RHO H,  YAMARTE L,  KOVACIK G J,  SARKAR P;  JP2007525793-A   VOLLER ENERGY LTD (VOLL-Non-standard)   CLARKE M;  US20060068239-A1   ;  WO2005010427-A1   TOYOTA JIDOSHA KK (TOYT)   MIKI Y,  SHIRAI K,  KIMURA A,  YOSHIDA N,  YUMITA O;  WO2005038973-A1   ALBERTA RES COUNCIL INC (ALBE-Non-standard)   ZHENG R,  RHO H,  YAMARTE L,  KOVACIK G J,  SARKAR P