Inventor
HONJI AKIO
JP15 patents
Patents
15 patentsUS5937637AAug 17, 1999
System for purifying exhaust gas for use in an automobile
HITACHI LTD45 citations96
US5388405AFeb 14, 1995
System for purifying exhaust gas for use in an automobile
HITACHI LTD55 citations96
US5577383ANov 26, 1996
Apparatus for controlling internal combustion engine
HITACHI LTD53 citations92
US5560201AOct 1, 1996
System for purifying exhaust gas for use in an automobile
HITACHI LTD23 citations92
US5379586AJan 10, 1995
System for controlling oxygen concentration in exhaust gas and exhaust gas cleaning system employing the same
HITACHI LTD39 citations92
US4555452ANov 26, 1985
Method for operating fuel cell
HITACHI LTD36 citations92
US7294315B1Nov 13, 2007
Method and apparatus for disposing of fluorine-containing compound by decomposition
HITACHI LTD12 citations84
US4643957AFeb 17, 1987
Fuel cell
HITACHI LTD8 citations73
US4623415ANov 18, 1986
Method of making fuel cell
HITACHI LTD15 citations73
US4529671AJul 16, 1985
Fuel cell
HITACHI LTD5 citations73
US7722773B2May 25, 2010
Method of treating organic compounds in wastewater
HITACHI LTD7 citations71
US7261868B2Aug 28, 2007
Process and apparatus for the decomposition of fluorine compounds
HITACHI LTD6 citations62
US4493879AJan 15, 1985
Fuel cell
HITACHI LTD4 citations62
US7993529B2Aug 9, 2011
Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste water
HITACHI LTD2 citations60
US7662295B2Feb 16, 2010
Method for removing organic material in oilfield produced water and a removal device therefor
HITACHI LTD5 citations60