Inventor · disambiguated record
Daichi Imai
Also filed as: IMAI DAICHI
33 granted patents·8 pending applications·87 citations·filing 2005–2022
95Inventor score
Top patents by PatentIndex Score
41 records- 0195US7383118B2Control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Jun 3, 2008·37 cites·8 claims
- 0290US9394816B2Particulate filterNAKAYAMA SHIGEKI·Filed 2012·Granted Jul 19, 2016·10 cites·5 claims
- 0386US9011569B2Particulate filterOTSUKI HIROSHI·Filed 2012·Granted Apr 21, 2015·5 cites·6 claims
- 0483US10294838B2Exhaust purification filterTOYOTA MOTOR CO LTD·Filed 2012·Granted May 21, 2019·4 cites·10 claims
- 0581US9718026B2Exhaust gas purification filterOTSUKI HIROSHI·Filed 2012·Granted Aug 1, 2017·5 cites·8 claims
- 0681US9080480B2Exhaust purification system for internal combustion engineOTSUKI HIROSHI·Filed 2012·Granted Jul 14, 2015·3 cites·17 claims
- 0778US9988960B2Exhaust gas control apparatus of internal combustionTOYOTA MOTOR CO LTD·Filed 2015·Granted Jun 5, 2018·2 cites·17 claims
- 0875US10677125B2Exhaust gas purification apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Jun 9, 2020·1 cites·5 claims
- 0972US8443592B2Exhaust purification system of internal combustion engineASANUMA TAKAMITSU·Filed 2009·Granted May 21, 2013·7 cites·9 claims
- 1069US10071369B2Method of making a particulate filter carry a catalystTOYOTA MOTOR CO LTD·Filed 2015·Granted Sep 11, 2018·1 cites·9 claims
- 1168US8434297B2Exhaust purification system of internal combustion engineASANUMA TAKAMITSU·Filed 2009·Granted May 7, 2013·3 cites·3 claims
- 1267US9255505B2Exhaust purification device for internal combustion engineNAKAYAMA SHIGEKI·Filed 2012·Granted Feb 9, 2016·2 cites·8 claims
- 1367US9181842B2Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engineUMEMOTO KAZUHIRO·Filed 2010·Granted Nov 10, 2015·2 cites·13 claims
- 1466US9689296B2Exhaust purification device for internal combustion engineNISHIOKA HIROMASA·Filed 2012·Granted Jun 27, 2017·2 cites·7 claims
- 1562US9790828B2Exhaust purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2014·Granted Oct 17, 2017·1 cites·9 claims
- 1660US10753249B2Exhaust emission control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 25, 2020·0 cites·2 claims
- 1758US8677735B2Exhaust purification system of internal combustion engineIMAI DAICHI·Filed 2009·Granted Mar 25, 2014·2 cites·4 claims
- 1857US10808586B2Exhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 20, 2020·0 cites·4 claims
- 1957US9057299B2Exhaust purification system for internal combustion engineOTSUKI HIROSHI·Filed 2012·Granted Jun 16, 2015·0 cites·19 claims
- 2057US9057298B2Exhaust purification system for internal combustion engineOTSUKI HIROSHI·Filed 2012·Granted Jun 16, 2015·0 cites·16 claims
- 2157US8778053B2Method of removing ash from particulate filterOTSUKI HIROSHI·Filed 2012·Granted Jul 15, 2014·0 cites·7 claims
- 2254US10753306B2Exhaust gas purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 25, 2020·0 cites·7 claims
- 2354US2023042626A1Control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 2451US9879585B2Exhaust purification device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2014·Granted Jan 30, 2018·0 cites·8 claims
- 2551US9840954B2Exhaust purification device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2014·Granted Dec 12, 2017·0 cites·10 claims
- 2651US2011023465A1Exhaust purification system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2009·Application pending·0 cites
- 2749US2012042636A1Exhaust purification system of internal combustion engineASANUMA TAKAMITSU·Filed 2009·Application pending·0 cites
- 2847US10683785B2Exhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Jun 16, 2020·0 cites·3 claims
- 2947US10648391B2Abnormality diagnosis system for an exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2018·Granted May 12, 2020·0 cites·1 claims
- 3047US2016138448A1Exhaust gas purification filterTOYOTA MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 3145US10138778B2Exhaust purification system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Nov 27, 2018·0 cites·12 claims
- 3244US9988962B2Exhaust emission control system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Jun 5, 2018·0 cites·14 claims
- 3344US2018209321A1Exhaust purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Application pending·0 cites
- 3443US10309285B2Exhaust gas control system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Jun 4, 2019·0 cites·5 claims
- 3543US9421535B2Exhaust gas purifying catalystTANAKA TOSHIYUKI·Filed 2010·Granted Aug 23, 2016·0 cites·13 claims
- 3643US2012240561A1Exhaust purification system of internal combustion engineSOBUE YUICHI·Filed 2009·Application pending·0 cites
- 3742US10704439B2Exhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Jul 7, 2020·0 cites·5 claims
- 3842US10302000B2Exhaust gas control system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2017·Granted May 28, 2019·0 cites·5 claims
- 3941US9677442B2Sulfur concentration determination system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Jun 13, 2017·0 cites·12 claims
- 4039US2013287638A1Exhaust purification system of internal combustion engineSUGAWARA KOU·Filed 2011·Application pending·0 cites
- 4137US2013034469A1Control system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Daichi Imai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →