Inventor · disambiguated record
Akimasa Hirai
Also filed as: HIRAI AKIMASA
32 granted patents·8 pending applications·308 citations·filing 2004–2017
97Inventor score
Top patents by PatentIndex Score
40 records- 0196US9675970B2Exhaust cleaning catalystCATALER CORP·Filed 2014·Granted Jun 13, 2017·17 cites·10 claims
- 0295US9597663B2Exhaust cleaning catalystCATALER CORP·Filed 2014·Granted Mar 21, 2017·16 cites·12 claims
- 0394US8741799B2Exhaust gas-purifying catalystMATSUEDA SATOSHI·Filed 2011·Granted Jun 3, 2014·17 cites·10 claims
- 0494US8546296B2Exhaust gas-purifying catalyst, powdery material, and method of manufacturing exhaust gas-purifying catalystYABUZAKI YUJI·Filed 2011·Granted Oct 1, 2013·25 cites·12 claims
- 0594US7998896B2Exhaust gas purifying catalystCATALER CORP·Filed 2006·Granted Aug 16, 2011·27 cites·7 claims
- 0693US8580706B2Exhaust gas-purifying catalystMATSUEDA SATOSHI·Filed 2011·Granted Nov 12, 2013·14 cites·9 claims
- 0793US8318632B2Exhaust gas purification catalystMATSUEDA SATOSHI·Filed 2011·Granted Nov 27, 2012·15 cites·10 claims
- 0892US9694348B2Exhaust cleaning catalystCATALER CORP·Filed 2014·Granted Jul 4, 2017·9 cites·6 claims
- 0990US8168560B2Exhaust gas purifying catalystTAKI KENICHI·Filed 2006·Granted May 1, 2012·18 cites·20 claims
- 1089US9855550B2Exhaust gas-purifying catalystCATALER CORP·Filed 2017·Granted Jan 2, 2018·3 cites·4 claims
- 1188US9789469B2Exhaust gas-purifying catalyst and exhaust gas-purifying catalyst materialCATALER CORP·Filed 2017·Granted Oct 17, 2017·4 cites·8 claims
- 1288US7737077B2Catalyst for purifying exhaust gasesCATALER CORP·Filed 2004·Granted Jun 15, 2010·38 cites·4 claims
- 1387US10099204B2Exhaust gas-purifying catalystCATALER CORP·Filed 2017·Granted Oct 16, 2018·3 cites·9 claims
- 1486US8039418B2Exhaust gas-purifying catalystCATALER CORP·Filed 2009·Granted Oct 18, 2011·14 cites·8 claims
- 1585US7795170B2CatalystDAIHATSU MOTOR CO LTD·Filed 2007·Granted Sep 14, 2010·8 cites·9 claims
- 1683US8309488B2Exhaust gas purifying catalystKITAMURA ICHIRO·Filed 2006·Granted Nov 13, 2012·14 cites·13 claims
- 1782US7846863B2Exhaust gas purifying catalystCATALER CORP·Filed 2005·Granted Dec 7, 2010·5 cites·2 claims
- 1881US8569198B2Exhaust gas-purifying catalystHOSHINO SHO·Filed 2012·Granted Oct 29, 2013·6 cites·12 claims
- 1979US7842643B2Exhaust gas purifying catalystCATALER CORP·Filed 2007·Granted Nov 30, 2010·8 cites·9 claims
- 2078US9724644B2Exhaust gas purifying catalystCATALER CORP·Filed 2014·Granted Aug 8, 2017·3 cites·9 claims
- 2177US9364793B2Exhaust gas-purifying catalystMATSUEDA SATOSHI·Filed 2014·Granted Jun 14, 2016·3 cites·3 claims
- 2277US8975204B2Exhaust-gas-purifying catalystHORI ASUKA·Filed 2004·Granted Mar 10, 2015·20 cites·7 claims
- 2376US8133837B2Exhaust gas-purifying catalystYABUZAKI YUJI·Filed 2009·Granted Mar 13, 2012·4 cites·17 claims
- 2475US7988921B2Hexagonal-cell honeycomb catalyzer for purifying exhaust gasDENSO CORP·Filed 2008·Granted Aug 2, 2011·4 cites·20 claims
- 2570US8680004B2Exhaust gas-purifying catalystKITAMURA ICHIRO·Filed 2011·Granted Mar 25, 2014·2 cites·6 claims
- 2670US8158552B2Exhaust gas purifying catalystHORI ASUKA·Filed 2007·Granted Apr 17, 2012·5 cites·16 claims
- 2770US8133839B2Exhaust gas-purifying catalystMATSUEDA SATOSHI·Filed 2006·Granted Mar 13, 2012·2 cites·21 claims
- 2867US9358535B2Exhaust gas-purifying catalystMATSUEDA SATOSHI·Filed 2012·Granted Jun 7, 2016·1 cites·12 claims
- 2967US9295945B2Exhaust gas-purifying catalystMATSUEDA SATOSHI·Filed 2012·Granted Mar 29, 2016·1 cites·15 claims
- 3067US8993475B2Oxygen storage materialKIMURA MAREO·Filed 2007·Granted Mar 31, 2015·2 cites·10 claims
- 3158US2010004122A1Exhaust Gas-Purifying CatalystCATALER CORP·Filed 2009·Application pending·0 cites
- 3254US2014038812A1Exhaust gas-purifying catalystHORI ASUKA·Filed 2013·Application pending·0 cites
- 3353US9849441B2Exhaust gas purifying catalystCATALER CORP·Filed 2014·Granted Dec 26, 2017·0 cites·5 claims
- 3452US10279338B2Exhaust gas-purifying catalystCATALER CORP·Filed 2016·Granted May 7, 2019·0 cites·6 claims
- 3551US2011082032A1Exhasut gas purifying catalystCATALER CORP·Filed 2010·Application pending·0 cites
- 3650US2009131251A1Exhaust gas-purifying catalystCATALER CORP·Filed 2008·Application pending·0 cites
- 3750US2009209408A1Exhaust Gas-Purifying CatalystCATALER CORP·Filed 2009·Application pending·0 cites
- 3842US2009023580A1Catalyst CompositionDAIHATSU MOTOR CO LTD·Filed 2006·Application pending·0 cites
- 3942US2018280878A1Catalyst for exhaust gas purification, method for producing same and exhaust gas purification apparatus comprising said catalystCATALER CORP·Filed 2016·Application pending·0 cites
- 4041US2012094827A1Exhaust gas-purifying catalyst and method of producing sameMATSUEDA SATOSHI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →