Inventor
NISHIOKA HIROMASA
JP75 patents
⚠️ This page may combine multiple inventors who share the name “NISHIOKA HIROMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
17 patentsUS10794250B2Oct 6, 2020
Electrochemical reactor and internal combustion engine provided with electrochemical reactor
TOYOTA MOTOR CO LTD2 citations72
US10294838B2May 21, 2019
Exhaust purification filter
TOYOTA MOTOR CO LTD4 citations72
US9988960B2Jun 5, 2018
Exhaust gas control apparatus of internal combustion
TOYOTA MOTOR CO LTD2 citations72
US9598997B2Mar 21, 2017
Exhaust gas purification apparatus of internal combustion engine
TOYOTA MOTOR CO LTD2 citations72
US12138589B2Nov 12, 2024
Exhaust gas control system and exhaust gas control method
TOYOTA MOTOR CO LTD0 citations63
US8047063B2Nov 1, 2011
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD2 citations63
US10280856B2May 7, 2019
Exhaust purification system of internal combustion engine
TOYOTA MOTOR CO LTD1 citations62
US10267192B2Apr 23, 2019
Exhaust purification system of internal combustion engine
TOYOTA MOTOR CO LTD1 citations62
US10358963B2Jul 23, 2019
Exhaust purification system of internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US10071369B2Sep 11, 2018
Method of making a particulate filter carry a catalyst
TOYOTA MOTOR CO LTD1 citations52
US9790828B2Oct 17, 2017
Exhaust purification system for internal combustion engine
TOYOTA MOTOR CO LTD1 citations52
US10907523B2Feb 2, 2021
Abnormality diagnosis apparatus
TOYOTA MOTOR CO LTD0 citations51
US10900403B2Jan 26, 2021
Abnormality diagnosis apparatus
TOYOTA MOTOR CO LTD0 citations51
US10641150B2May 5, 2020
Exhaust purification system of an internal combustion engine
TOYOTA MOTOR CO LTD0 citations51
US9889406B2Feb 13, 2018
Exhaust gas purification apparatus for internal combustion engine
TOYOTA MOTOR CO LTD1 citations51
US11473472B2Oct 18, 2022
Exhaust gas control apparatus and manufacturing method thereof
TOYOTA MOTOR CO LTD0 citations50
US10890092B2Jan 12, 2021
Internal combustion engine and method for controlling internal combustion engine
TOYOTA MOTOR CO LTD0 citations50
OTSUKI HIROSHI
9 patentsUS9011569B2Apr 21, 2015
Particulate filter
OTSUKI HIROSHI5 citations83
US9718026B2Aug 1, 2017
Exhaust gas purification filter
OTSUKI HIROSHI5 citations71
US8555699B2Oct 15, 2013
Detector for detecting sulfur components
OTSUKI HIROSHI2 citations62
US8161794B2Apr 24, 2012
Sulfur component detecting device
OTSUKI HIROSHI3 citations62
US9080480B2Jul 14, 2015
Exhaust purification system for internal combustion engine
OTSUKI HIROSHI3 citations61
US8104266B2Jan 31, 2012
Exhaust purification device of internal combustion engine
OTSUKI HIROSHI1 citations52
US9057298B2Jun 16, 2015
Exhaust purification system for internal combustion engine
OTSUKI HIROSHI0 citations51
US9057299B2Jun 16, 2015
Exhaust purification system for internal combustion engine
OTSUKI HIROSHI0 citations51
US8778053B2Jul 15, 2014
Method of removing ash from particulate filter
OTSUKI HIROSHI0 citations51
ASANUMA TAKAMITSU
5 patentsUS8443592B2May 21, 2013
Exhaust purification system of internal combustion engine
ASANUMA TAKAMITSU7 citations82
US8156787B2Apr 17, 2012
Device for detection of sulfur concentration in fuel or oil
ASANUMA TAKAMITSU6 citations71
US8434297B2May 7, 2013
Exhaust purification system of internal combustion engine
ASANUMA TAKAMITSU3 citations62
US8297042B2Oct 30, 2012
Exhaust purification device of internal combustion engine
ASANUMA TAKAMITSU2 citations62
US8701393B2Apr 22, 2014
Exhaust purification system of internal combustion engine
ASANUMA TAKAMITSU1 citations51
NISHIOKA HIROMASA
5 patentsUS9689296B2Jun 27, 2017
Exhaust purification device for internal combustion engine
NISHIOKA HIROMASA2 citations71
US8695399B2Apr 15, 2014
Detector for detecting sulfur components
NISHIOKA HIROMASA2 citations62
US8590293B2Nov 26, 2013
Exhaust emission purifier of internal combustion engine
NISHIOKA HIROMASA2 citations62
US8307639B2Nov 13, 2012
Exhaust purification device of internal combustion engine
NISHIOKA HIROMASA4 citations62
US8276369B2Oct 2, 2012
Exhaust purification system of internal combustion engine
NISHIOKA HIROMASA2 citations62
YOSHIDA KOHEI
4 patentsUS8209954B2Jul 3, 2012
Exhaust purification device of an internal combustion engine
YOSHIDA KOHEI10 citations84
US8104271B2Jan 31, 2012
Exhaust purification device and exhaust purification method of internal combustion engine
YOSHIDA KOHEI6 citations73
US8061125B2Nov 22, 2011
Exhaust gas purification system and method for internal combustion engine
YOSHIDA KOHEI4 citations63
US8156731B2Apr 17, 2012
Exhaust purification device of internal combustion engine
YOSHIDA KOHEI1 citations52
SUGIURA KOJI
3 patentsNAKAYAMA SHIGEKI
2 patentsUMEMOTO KAZUHIRO
1 patentOSHIKAWA KATSUHIKO
1 patentNAKATA YUKA
1 patentSAKURAI KENJI
1 patentTSUKAMOTO YOSHIHISA
1 patentShowing the top 50 of 75 patents by PatentIndex Score.