Inventor · disambiguated record
Akira Morikawa
Also filed as: MIZUTANI JUNICHI · MORIKAWA AKIRA
62 granted patents·15 pending applications·726 citations·filing 1976–2022
98Inventor score
Files withMITSUBISHI ELECTRIC CORP13TOYOTA MOTOR CO LTD13MORIKAWA AKIRA6TOYOTA CHUO KENKYUSHO KK5NGK SPARK PLUG CO4
Top patents by PatentIndex Score
77 records- 0197US10576420B2Exhaust gas purifying catalystCHINZEI ISAO·Filed 2015·Granted Mar 3, 2020·22 cites·5 claims
- 0297US10556223B2Exhaust gas purifying catalystSUZUKI HIROMASA·Filed 2015·Granted Feb 11, 2020·18 cites·5 claims
- 0397US6335305B1Catalyst for purifying exhaust gasTOYODA CHUO KENKYUSHO KK·Filed 2000·Granted Jan 1, 2002·111 cites·23 claims
- 0495US9216233B2Apparatus and method for capture and inactivation of microbes and virusesOTA KOJI·Filed 2012·Granted Dec 22, 2015·22 cites·10 claims
- 0595US7713908B2Porous composite metal oxide and method of producing the sameTOYOTA CHUO KENKYUSHO KK·Filed 2005·Granted May 11, 2010·35 cites·16 claims
- 0694US11053833B2Exhaust gas purification catalystCHINZEI ISAO·Filed 2020·Granted Jul 6, 2021·3 cites·8 claims
- 0794US10143968B2Exhaust gas purifying catalystSUZUKI HIROMASA·Filed 2015·Granted Dec 4, 2018·11 cites·4 claims
- 0893US10618029B2Oxygen storage material and method for producing the sameTOYOTA MOTOR CO LTD·Filed 2018·Granted Apr 14, 2020·5 cites·5 claims
- 0993US9457118B2Corona discharge device and air-conditioning apparatusMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Oct 4, 2016·21 cites·7 claims
- 1093US8697600B2Exhaust gas purifying catalystNOBUKAWA TAKESHI·Filed 2011·Granted Apr 15, 2014·18 cites·11 claims
- 1192US9868087B2Core-shell oxide material, method for producing the same, and catalyst and method for purification of exhaust gas using the core-shell oxide materialTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 16, 2018·5 cites·8 claims
- 1292US9409152B2Catalyst support for purification of exhaust gas, catalyst for purification of exhaust gas using the same, and method for producing the catalyst support for purification of exhaust gasTOYOTA CHUO KENKYUSHO KK·Filed 2013·Granted Aug 9, 2016·11 cites·15 claims
- 1392US9376327B2Ceria-zirconia base composite oxide, method for producing the same, and catalyst for purification of exhaust gas using the ceria-zirconia base composite oxideMORIKAWA AKIRA·Filed 2011·Granted Jun 28, 2016·11 cites·10 claims
- 1490US6852665B2Composite oxide, process for producing the same, catalyst for purifying exhaust gas, and process for producing the sameTOYODA CHUO KENKYUSHO KK·Filed 2001·Granted Feb 8, 2005·44 cites·57 claims
- 1588US9931614B2Ceria-zirconia-based composite oxide and method for producing same, and catalyst for exhaust gas purification including ceria-zirconia-based composite oxideTOYOTA MOTOR CO LTD·Filed 2014·Granted Apr 3, 2018·6 cites·5 claims
- 1687US7838845B2Ultraviolet irradiation water treatment apparatusTOSHIBA KK·Filed 2008·Granted Nov 23, 2010·14 cites·8 claims
- 1787US6492298B1Ordinary-temperature purifying catalystTOYODA CHUO KENKYUSHO KK·Filed 2000·Granted Dec 10, 2002·33 cites·27 claims
- 1887US4461323ABent honeycomb pipe assembly with central pipeNGK SPARK PLUG CO·Filed 1979·Granted Jul 24, 1984·39 cites·9 claims
- 1986US6933259B2Composite oxide powder, a method for producing the same and a catalyst using the sameTOYOTA CHUO KENKYUSHO KK·Filed 2001·Granted Aug 23, 2005·31 cites·21 claims
- 2085US9556023B2Porous composite metal oxide, catalyst using the same, and methods for producing the porous composite metal oxide and the catalystSATO KIMITOSHI·Filed 2010·Granted Jan 31, 2017·4 cites·19 claims
- 2184US9816715B2Humidifier and air-conditioning apparatus with humidifierMORIKAWA AKIRA·Filed 2013·Granted Nov 14, 2017·10 cites·9 claims
- 2284US8691394B2Heat shrinkable multilayer film and heat shrinkable labelMARUICHI NAOYUKI·Filed 2007·Granted Apr 8, 2014·8 cites·5 claims
- 2384US4180538AMethod of making ceramic shaped article from inorganic raw material powder by extrusion moldingNGK SPARK PLUG CO·Filed 1977·Granted Dec 25, 1979·35 cites·7 claims
- 2484US4168944AApparatus for manufacturing a tubular honeycomb assembly with an adiabatic layer formed integrally on the peripheral wallNGK SPARK PLUG CO·Filed 1978·Granted Sep 25, 1979·45 cites·8 claims
- 2583US11559768B2Exhaust gas purification catalystCHINZEI ISAO·Filed 2020·Granted Jan 24, 2023·1 cites·4 claims
- 2681US7247597B2Composite oxide, process for producing the same, and exhaust gas reducing co-catalystTOYOTA CHUO KENKYUSHO KK·Filed 2002·Granted Jul 24, 2007·20 cites·9 claims
- 2780US6350530B1Biodegradable card baseGUNZE KK·Filed 1997·Granted Feb 26, 2002·62 cites·17 claims
- 2878US10112180B2Ceria-zirconia composite oxide, method for producing the same, and catalyst for purifying exhaust gas using the ceria-zirconia composite oxideTOYOTA MOTOR CO LTD·Filed 2014·Granted Oct 30, 2018·2 cites·3 claims
- 2977US9957170B2Water treatment device and water treatment methodMITSUBISHI ELECTRIC CORP·Filed 2013·Granted May 1, 2018·2 cites·14 claims
- 3076US6762147B2Composite oxide powder, catalyst and process for producing the sameTOYODA CHUO KENKYUSHO KK·Filed 2002·Granted Jul 13, 2004·21 cites·22 claims
- 3175US7081921B2Method and apparatus for processing front end signal for image sensorNITTA SHOZO·Filed 2000·Granted Jul 25, 2006·27 cites·16 claims
- 3274US9028933B2Shrink labelsMARUICHI NAOYUKI·Filed 2006·Granted May 12, 2015·4 cites·3 claims
- 3372US8242046B2Inorganic oxide, exhaust gas purifying catalyst carrier, and exhaust gas purifying catalystMORIKAWA AKIRA·Filed 2005·Granted Aug 14, 2012·2 cites·39 claims
- 3471US8984861B2Catalyst deterioration diagnosis method, method for purification of exhaust gas using the diagnosis method, catalyst deterioration diagnosis apparatus, and apparatus for purification of exhaust gas using the diagnosis apparatusTOYOTA CHUO KENKYUSHO KK·Filed 2013·Granted Mar 24, 2015·2 cites·9 claims
- 3570US10065179B2Ceria-zirconia-based composite oxide and method for producing same, and exhaust gas purification catalyst including ceria-zirconia-based composite oxideTOYOTA MOTOR CO LTD·Filed 2014·Granted Sep 4, 2018·1 cites·2 claims
- 3670US9254475B2Exhaust gas purification catalystSAITO YOSHINORI·Filed 2013·Granted Feb 9, 2016·1 cites·6 claims
- 3770US7842642B2Catalyst carrier and catalyst using the sameTOYOTA MOTOR CO LTD·Filed 2005·Granted Nov 30, 2010·2 cites·12 claims
- 3869US9126846B2Method of synthesizing metal composite oxide and metal composite oxide obtained by sameNAGAO SATOSHI·Filed 2010·Granted Sep 8, 2015·2 cites·4 claims
- 3968US8137542B2Water treatment systemABE NORIMITSU·Filed 2008·Granted Mar 20, 2012·4 cites·5 claims
- 4067US9574816B2Refrigerating and air-conditioning apparatusHAMADA MAMORU·Filed 2010·Granted Feb 21, 2017·1 cites·12 claims
- 4166US10222115B2Refrigerating and air-conditioning apparatusMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Mar 5, 2019·1 cites·1 claims
- 4265US10913051B2Ceria-zirconia-based composite oxide and method for producing same, and exhaust gas purification catalyst including ceria-zirconia-based composite oxideTOYOTA MOTOR CO LTD·Filed 2018·Granted Feb 9, 2021·0 cites·7 claims
- 4362US10625246B2Oxygen storage material and method for producing the sameTOYOTA MOTOR CO LTD·Filed 2019·Granted Apr 21, 2020·0 cites·8 claims
- 4462US2014162077A1Heat shrinkable multilayer film and heat shrinkable labelMITSUBISHI CHEM CORP·Filed 2014·Application pending·0 cites
- 4561US12409415B2Catalyst for purification of exhaust gasCATALER CORP·Filed 2021·Granted Sep 9, 2025·0 cites·7 claims
- 4660US12031742B2Contaminant detector and refrigeration cycle apparatusMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Jul 9, 2024·0 cites·8 claims
- 4760US10668449B2Oxygen storage material and method for producing the sameTOYOTA MOTOR CO LTD·Filed 2019·Granted Jun 2, 2020·0 cites·8 claims
- 4856US10871296B2Humidifier and air-conditioning apparatus including humidifierMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Dec 22, 2020·0 cites·15 claims
- 4955US10451299B2Humidifier and air-conditioning apparatus including humidifierMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Oct 22, 2019·0 cites·19 claims
- 5055US8169601B2Photoluminescent heat-shrinkable filmsMARUO MASAHARU·Filed 2007·Granted May 1, 2012·2 cites·5 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →