Inventor · disambiguated record
Akio Honji
Also filed as: HONJI AKIO
15 granted patents·315 citations·filing 1982–2010
94Inventor score
Files withHITACHI LTD15
Top patents by PatentIndex Score
15 records- 0188US5388405ASystem for purifying exhaust gas for use in an automobileHITACHI LTD·Filed 1992·Granted Feb 14, 1995·55 cites·2 claims
- 0285US5937637ASystem for purifying exhaust gas for use in an automobileHITACHI LTD·Filed 1996·Granted Aug 17, 1999·45 cites·9 claims
- 0382US5577383AApparatus for controlling internal combustion engineHITACHI LTD·Filed 1994·Granted Nov 26, 1996·53 cites·18 claims
- 0480US7722773B2Method of treating organic compounds in wastewaterHITACHI LTD·Filed 2008·Granted May 25, 2010·7 cites·14 claims
- 0576US7993529B2Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste waterHITACHI LTD·Filed 2010·Granted Aug 9, 2011·2 cites·12 claims
- 0674US7662295B2Method for removing organic material in oilfield produced water and a removal device thereforHITACHI LTD·Filed 2005·Granted Feb 16, 2010·5 cites·19 claims
- 0774US4555452AMethod for operating fuel cellHITACHI LTD·Filed 1985·Granted Nov 26, 1985·36 cites·9 claims
- 0872US5379586ASystem for controlling oxygen concentration in exhaust gas and exhaust gas cleaning system employing the sameHITACHI LTD·Filed 1992·Granted Jan 10, 1995·39 cites·20 claims
- 0965US5560201ASystem for purifying exhaust gas for use in an automobileHITACHI LTD·Filed 1995·Granted Oct 1, 1996·23 cites·3 claims
- 1061US4623415AMethod of making fuel cellHITACHI LTD·Filed 1985·Granted Nov 18, 1986·15 cites·17 claims
- 1155US7261868B2Process and apparatus for the decomposition of fluorine compoundsHITACHI LTD·Filed 2004·Granted Aug 28, 2007·6 cites·19 claims
- 1247US7294315B1Method and apparatus for disposing of fluorine-containing compound by decompositionHITACHI LTD·Filed 1999·Granted Nov 13, 2007·12 cites·5 claims
- 1339US4643957AFuel cellHITACHI LTD·Filed 1985·Granted Feb 17, 1987·8 cites·20 claims
- 1439US4529671AFuel cellHITACHI LTD·Filed 1982·Granted Jul 16, 1985·5 cites·10 claims
- 1535US4493879AFuel cellHITACHI LTD·Filed 1982·Granted Jan 15, 1985·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →