Inventor · disambiguated record
Kazuhiro Itoh
Also filed as: ITOH KAZUHIRO
73 granted patents·9 pending applications·1,256 citations·filing 1982–2020
99Inventor score
Top patents by PatentIndex Score
82 records- 0198US6058700ADevice for purifying exhaust gas of engineTOYOTA MOTOR CO LTD·Filed 1998·Granted May 9, 2000·162 cites·25 claims
- 0295US7086222B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 8, 2006·19 cites·11 claims
- 0395US7086223B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 8, 2006·19 cites·11 claims
- 0494US6546721B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 15, 2003·60 cites·38 claims
- 0594US6233927B1Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 1999·Granted May 22, 2001·97 cites·12 claims
- 0693US7272924B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Sep 25, 2007·20 cites·3 claims
- 0793US6568178B2Device for purifying the exhaust gas of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted May 27, 2003·40 cites·21 claims
- 0892US6977560B2Input/output coupling structure for dielectric waveguide resonatorTOKO INC·Filed 2003·Granted Dec 20, 2005·39 cites·4 claims
- 0992US6192675B1Exhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Feb 27, 2001·103 cites·17 claims
- 1091US8304974B2Fluorescent lampWATANABE SATORU·Filed 2010·Granted Nov 6, 2012·9 cites·20 claims
- 1190US6820418B2Exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2002·Granted Nov 23, 2004·46 cites·16 claims
- 1289US6959540B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Nov 1, 2005·31 cites·21 claims
- 1389US6655133B2Exhaust gas purifier for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Dec 2, 2003·44 cites·22 claims
- 1485US6823665B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 30, 2004·30 cites·12 claims
- 1585US6725651B2Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agentTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 27, 2004·35 cites·17 claims
- 1685US6672050B2Exhaust gas purification device of an engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Jan 6, 2004·49 cites·18 claims
- 1783US10294838B2Exhaust purification filterTOYOTA MOTOR CO LTD·Filed 2012·Granted May 21, 2019·4 cites·10 claims
- 1883US8132403B2Method of estimating quantity of N2O produced in ammonia oxidation catalyst and exhaust gas purification system for internal combustion engineTOSHIOKA SHUNSUKE·Filed 2008·Granted Mar 13, 2012·11 cites·7 claims
- 1982US6898930B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2002·Granted May 31, 2005·28 cites·36 claims
- 2081US9718026B2Exhaust gas purification filterOTSUKI HIROSHI·Filed 2012·Granted Aug 1, 2017·5 cites·8 claims
- 2179US6644023B2Exhaust emission control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 11, 2003·26 cites·12 claims
- 2278US9988960B2Exhaust gas control apparatus of internal combustionTOYOTA MOTOR CO LTD·Filed 2015·Granted Jun 5, 2018·2 cites·17 claims
- 2378US6769245B2Exhaust gas purification methodTOYOTA MOTOR CO LTD·Filed 2001·Granted Aug 3, 2004·15 cites·17 claims
- 2477US6588204B2Device for purifying the exhaust gas of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Jul 8, 2003·23 cites·10 claims
- 2576US7059113B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2004·Granted Jun 13, 2006·16 cites·19 claims
- 2676US6644022B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 11, 2003·22 cites·30 claims
- 2775US6786041B2Exhaust gas purification method and exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2001·Granted Sep 7, 2004·19 cites·39 claims
- 2874US8919108B2Exhaust gas temperature raising apparatus and a method for removal of fuel supply valve cloggingITOH KAZUHIRO·Filed 2010·Granted Dec 30, 2014·3 cites·7 claims
- 2974US4532685AMethod of assembling a reciprocating compressorHONDA MOTOR CO LTD·Filed 1983·Granted Aug 6, 1985·27 cites·1 claims
- 3073US11110933B2Driving support device, wearable device, driving support system, driving support method, and computer-readable recording mediumTOYOTA MOTOR CO LTD·Filed 2019·Granted Sep 7, 2021·2 cites·14 claims
- 3173US9889406B2Exhaust gas purification apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Feb 13, 2018·1 cites·6 claims
- 3273US9145810B2Device for purifying exhaust gas of an internal combustion engineBISAIJI YUKI·Filed 2010·Granted Sep 29, 2015·3 cites·10 claims
- 3371US9598997B2Exhaust gas purification apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Mar 21, 2017·2 cites·6 claims
- 3470US6874315B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 5, 2005·16 cites·30 claims
- 3570US6361579B1Exhaust gas purifier and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2000·Granted Mar 26, 2002·16 cites·4 claims
- 3669US6101999ACompression ignition type engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Aug 15, 2000·23 cites·8 claims
- 3768US9543656B2Three-axis antennaTOKO INC·Filed 2015·Granted Jan 10, 2017·2 cites·6 claims
- 3868US8133444B2Exhaust gas purification system for internal combustion engineTOSHIOKA SHUNSUKE·Filed 2008·Granted Mar 13, 2012·3 cites·15 claims
- 3968US6901750B2Exhaust emission control apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Jun 7, 2005·12 cites·29 claims
- 4068US6594991B2Exhaust purifying method and apparatus of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Jul 22, 2003·11 cites·10 claims
- 4166US9689296B2Exhaust purification device for internal combustion engineNISHIOKA HIROMASA·Filed 2012·Granted Jun 27, 2017·2 cites·7 claims
- 4266US8371106B2Exhaust gas purification system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Feb 12, 2013·3 cites·16 claims
- 4365US6972045B2Substrate used for exhaust gas purification and method of fabrication thereofTOYOTA MOTOR CO LTD·Filed 2003·Granted Dec 6, 2005·6 cites·17 claims
- 4465US6510686B2Exhaust gas purifier for internal combustion engine and method for purifying exhaust gasTOYOTA MOTOR CO LTD·Filed 2001·Granted Jan 28, 2003·11 cites·16 claims
- 4563US8225596B2Exhaust purification device of internal combustion engineTOSHIOKA SHUNSUKE·Filed 2008·Granted Jul 24, 2012·2 cites·9 claims
- 4663US6955041B2Exhaust gas purifying apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Oct 18, 2005·11 cites·6 claims
- 4763US6681566B2Exhaust purifying method and apparatus of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Jan 27, 2004·8 cites·18 claims
- 4861US8783014B2Control system for internal combustion engineITOH KAZUHIRO·Filed 2009·Granted Jul 22, 2014·3 cites·10 claims
- 4961US6988360B2Exhaust emission purification device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Jan 24, 2006·10 cites·19 claims
- 5061US4945867ATwo-stroke engineTOYOTA MOTOR CO LTD·Filed 1989·Granted Aug 7, 1990·18 cites·37 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →