Inventor · disambiguated record
Daiji Nagaoka
Also filed as: NAGAOKA DAIJI
78 granted patents·7 pending applications·499 citations·filing 1988–2017
99Inventor score
Top patents by PatentIndex Score
85 records- 0191US7207171B2Exhaust gas purifying method and exhaust gas purifying systemISUZU MOTORS LTD·Filed 2004·Granted Apr 24, 2007·41 cites·2 claims
- 0291US5096180AImage recording apparatus with the ability to determine if enough expendable supplies are available to carry out a recording jobFUJI XEROX CO LTD·Filed 1990·Granted Mar 17, 1992·43 cites·5 claims
- 0388US7797927B2Method for control of exhaust gas purification system, and exhaust gas purification systemISUZU MOTORS LTD·Filed 2006·Granted Sep 21, 2010·19 cites·2 claims
- 0488US5377016AMulti-function image processing systemFUJI XEROX CO LTD·Filed 1993·Granted Dec 27, 1994·124 cites·7 claims
- 0587US8973430B2Diesel particulate filter systemNAGAOKA DAIJI·Filed 2011·Granted Mar 10, 2015·11 cites·4 claims
- 0687US7669410B2Sulfur purge control method for exhaust gas purifying system and exhaust gas purifying systemISUZU MOTORS LTD·Filed 2005·Granted Mar 2, 2010·14 cites·12 claims
- 0786US9664131B2Exhaust injection control method for exhaust gas post-treatment deviceISUZU MOTORS LTD·Filed 2014·Granted May 30, 2017·6 cites·5 claims
- 0886US8973431B2Apparatus for diagnosing causes of NOx conversion efficiency degradationNAGAOKA DAIJI·Filed 2011·Granted Mar 10, 2015·7 cites·2 claims
- 0985US7963103B2Exhaust gas purification method and systemISUZU MOTORS LTD·Filed 2006·Granted Jun 21, 2011·12 cites·6 claims
- 1082US10233807B2Exhaust purification system and catalyst regeneration methodISUZU MOTORS LTD·Filed 2016·Granted Mar 19, 2019·2 cites·4 claims
- 1181US7716918B2Method of exhaust gas purification and exhaust gas purification systemISUZU MOTORS LTD·Filed 2005·Granted May 18, 2010·12 cites·10 claims
- 1280US10052587B2Exhaust purification systemISUZU MOTORS LTD·Filed 2016·Granted Aug 21, 2018·2 cites·6 claims
- 1379US8607551B2Exhaust gas purifier and system for exhaust gas purificationNAGAOKA DAIJI·Filed 2009·Granted Dec 17, 2013·8 cites·7 claims
- 1475US7191590B2Exhaust gas purifying method and exhaust gas purifying systemISUZU MOTORS LTD·Filed 2004·Granted Mar 20, 2007·18 cites·8 claims
- 1575US7051520B2Sulfur purge control method and exhaust gas purifying systemISUZU MOTORS LTD·Filed 2004·Granted May 30, 2006·18 cites·4 claims
- 1673US8356470B2Method of controlling NOx purification system and NOx purification systemISUZU MOTORS LTD·Filed 2008·Granted Jan 22, 2013·5 cites·14 claims
- 1773US8109080B2Method of controlling NOx purification system and NOx purification systemGABE MASASHI·Filed 2008·Granted Feb 7, 2012·6 cites·4 claims
- 1872US10677128B2Exhaust purification system and catalyst regeneration methodISUZU MOTORS LTD·Filed 2016·Granted Jun 9, 2020·1 cites·3 claims
- 1972US4998132AImage edit systemFUJI XEROX CO LTD·Filed 1989·Granted Mar 5, 1991·25 cites·11 claims
- 2071US10669909B2Exhaust purification systemISUZU MOTORS LTD·Filed 2016·Granted Jun 2, 2020·1 cites·4 claims
- 2171US10392984B2NOx reduction control method for exhaust gas aftertreatment deviceISUZU MOTORS LTD·Filed 2015·Granted Aug 27, 2019·1 cites·4 claims
- 2271US8528320B2System for exhaust gas purification and method of controlling the sameNAGAOKA DAIJI·Filed 2009·Granted Sep 10, 2013·5 cites·4 claims
- 2371US8058205B2Nitrogen oxide purification systemNAGAOKA DAIJI·Filed 2005·Granted Nov 15, 2011·4 cites·24 claims
- 2470US10480437B2Exhaust purification systemISUZU MOTORS LTD·Filed 2016·Granted Nov 19, 2019·1 cites·4 claims
- 2569US10677136B2Internal combustion engine control deviceISUZU MOTORS LTD·Filed 2016·Granted Jun 9, 2020·1 cites·4 claims
- 2669US10174702B2Regeneration device for exhaust-gas purifying deviceISUZU MOTORS LTD·Filed 2015·Granted Jan 8, 2019·1 cites·2 claims
- 2769US9562463B2Control method for exhaust gas aftertreatment deviceISUZU MOTORS LTD·Filed 2014·Granted Feb 7, 2017·2 cites·13 claims
- 2868US10690073B2Exhaust purification system and catalyst regeneration methodISUZU MOTORS LTD·Filed 2016·Granted Jun 23, 2020·1 cites·4 claims
- 2968US8561396B2Exhaust gas purification apparatusNAGAOKA DAIJI·Filed 2009·Granted Oct 22, 2013·5 cites·7 claims
- 3067US4856074ARegion recognizing deviceFUJI XEROX CO LTD·Filed 1988·Granted Aug 8, 1989·42 cites·12 claims
- 3166US9624856B2Exhaust gas purification system and exhaust gas purification methodISUZU MOTORS LTD·Filed 2013·Granted Apr 18, 2017·1 cites·13 claims
- 3264US8186148B2Exhaust gas purifying method and purifierGABE MASASHI·Filed 2006·Granted May 29, 2012·3 cites·3 claims
- 3363US8322130B2Method for controlling exhaust gas purification system and exhaust gas purification systemYUZA HIROYUKI·Filed 2008·Granted Dec 4, 2012·6 cites·8 claims
- 3462US9422848B2Internal combustion engine and control method for sameISUZU MOTORS LTD·Filed 2012·Granted Aug 23, 2016·1 cites·16 claims
- 3562US8037676B2Regeneration control method for exhaust gas purification system, and exhaust gas purification systemISUZU MOTORS LTD·Filed 2006·Granted Oct 18, 2011·5 cites·6 claims
- 3659US9447743B2Exhaust gas purification system and exhaust gas purification methodISUZU MOTORS LTD·Filed 2013·Granted Sep 20, 2016·2 cites·4 claims
- 3758US9032713B2Exhaust-pipe injection systemNAGAOKA DAIJI·Filed 2011·Granted May 19, 2015·1 cites·7 claims
- 3858US7963109B2Guide structure and exhaust gas purification deviceISUZU MOTORS LTD·Filed 2005·Granted Jun 21, 2011·1 cites·8 claims
- 3958US7114328B2Control method of exhaust gas purifying systemISUZU MOTORS LTD·Filed 2003·Granted Oct 3, 2006·8 cites·2 claims
- 4057US8671661B2Exhaust gas purification method and exhaust gas purification systemNAGAOKA DAIJI·Filed 2009·Granted Mar 18, 2014·1 cites·4 claims
- 4157US8341943B2Exhaust gas purification method and exhaust gas purification systemISUZU MOTORS LTD·Filed 2006·Granted Jan 1, 2013·3 cites·5 claims
- 4256US8056321B2Exhaust gas purification method and exhaust gas purification systemGABE MASASHI·Filed 2007·Granted Nov 15, 2011·3 cites·20 claims
- 4355US10385747B2Exhaust gas purification system for internal combustion engine, internal combustion engine, and exhaust gas purification method for internal combustion engineISUZU MOTORS LTD·Filed 2016·Granted Aug 20, 2019·0 cites·5 claims
- 4455US10130913B2Exhaust gas purification system, and NOx purification capacity restoration methodISUZU MOTORS LTD·Filed 2016·Granted Nov 20, 2018·0 cites·6 claims
- 4555US7451593B2Exhaust gas cleaning method and exhaust gas cleaning systemISUZU MOTORS LTD·Filed 2004·Granted Nov 18, 2008·6 cites·14 claims
- 4653US9670810B2Exhaust gas purification systemISUZU MOTORS LTD·Filed 2014·Granted Jun 6, 2017·0 cites·8 claims
- 4752US10364719B2Exhaust gas purification system, and NOx purification capacity restoration methodISUZU MOTORS LTD·Filed 2016·Granted Jul 30, 2019·0 cites·7 claims
- 4852US9222394B2Diesel engine exhaust gas purification method and exhaust gas purification systemISUZU MOTORS LTD·Filed 2012·Granted Dec 29, 2015·0 cites·9 claims
- 4951US9828899B2Exhaust gas purification system and exhaust gas purification methodISUZU MOTORS LTD·Filed 2014·Granted Nov 28, 2017·0 cites·4 claims
- 5050US10247074B2Exhaust purification system and control method of the sameISUZU MOTORS LTD·Filed 2015·Granted Apr 2, 2019·0 cites·6 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →