| Patent | Date |
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Exhaust gas purification apparatus for an internal combustion engine
Grant 11,053,831 - Hashimoto , et al. July 6, 2 | 2021-07-06 |
Abnormality diagnosis system of air-fuel ratio sensor
Grant 10,920,704 - Miyamoto , et al. February 16, 2 | 2021-02-16 |
Diagnostic apparatus for exhaust gas sensor
Grant 10,746,077 - Hagiwara , et al. A | 2020-08-18 |
Diagnosis system of internal combustion engine
Grant 10,626,819 - Miyamoto , et al. | 2020-04-21 |
Diagnosis apparatus and diagnosis method for NOx sensor
Grant 10,619,547 - Masubuchi , et al. | 2020-04-14 |
Exhaust Gas Purification Apparatus For An Internal Combustion Engine
App 20190271250 - HASHIMOTO; Hiromasa ; et al. | 2019-09-05 |
Abnormality diagnosis system of air-fuel ratio sensor
Grant 10,365,183 - Miyamoto , et al. July 30, 2 | 2019-07-30 |
Oil dilution rate calculation system of internal combustion engine
Grant 10,323,596 - Miyamoto , et al. | 2019-06-18 |
Abnormality diagnosis system of air-fuel ratio sensor
Grant 10,316,779 - Miyamoto , et al. | 2019-06-11 |
Deterioration diagnosis apparatus for exhaust gas purification apparatus
Grant 10,302,002 - Hagiwara , et al. | 2019-05-28 |
Oil Dilution Rate Calculation System Of Internal Combustion Engine
App 20190093583 - MIYAMOTO; Hiroshi ; et al. | 2019-03-28 |
Diagnostic Apparatus For Exhaust Gas Sensor
App 20190072020 - HAGIWARA; Koji ; et al. | 2019-03-07 |
Abnormality diagnosis apparatus for NO.sub.x storage reduction catalyst
Grant 10,184,382 - Hagiwara , et al. Ja | 2019-01-22 |
Abnormality diagnosis system of air-fuel ratio sensors
Grant 10,151,262 - Miyamoto , et al. Dec | 2018-12-11 |
Deterioration diagnosis apparatus for exhaust gas purification apparatus
Grant 10,119,446 - Hagiwara , et al. November 6, 2 | 2018-11-06 |
DIAGNOSIS APPARATUS AND DIAGNOSIS METHOD FOR NOx SENSOR
App 20180258821 - MASUBUCHI; Masahiko ; et al. | 2018-09-13 |
Deterioration diagnosis apparatus for selective catalytic reduction catalyst
Grant 10,072,553 - Hagiwara , et al. September 11, 2 | 2018-09-11 |
Deterioration diagnosis apparatus for the exhaust gas purification apparatus
Grant 10,072,544 - Saitoh , et al. September 11, 2 | 2018-09-11 |
Internal combustion engine
Grant 10,066,534 - Miyamoto , et al. September 4, 2 | 2018-09-04 |
Diagnosis Apparatus For Exhaust Gas Sensor
App 20180179979 - MIYAMOTO; Hiroshi ; et al. | 2018-06-28 |
Diagnosis System Of Internal Combustion Engine
App 20180142639 - MIYAMOTO; Hiroshi ; et al. | 2018-05-24 |
Abnormality diagnosis system of air-fuel ratio sensor
Grant 9,903,292 - Miyamoto , et al. February 27, 2 | 2018-02-27 |
Control system of internal combustion engine
Grant 9,903,297 - Okazaki , et al. February 27, 2 | 2018-02-27 |
Diagnosis system of internal combustion engine
Grant 9,897,028 - Miyamoto , et al. February 20, 2 | 2018-02-20 |
Diagnosis system of internal combustion engine
Grant 9,850,840 - Miyamoto , et al. December 26, 2 | 2017-12-26 |
Abnormality Diagnosis System Of Air-fuel Ratio Sensor
App 20170342927 - MIYAMOTO; Hiroshi ; et al. | 2017-11-30 |
Fuel injection amount control apparatus for an internal combustion engine
Grant 9,726,103 - Iwazaki , et al. August 8, 2 | 2017-08-08 |
Diagnosis system of internal combustion engine
Grant 9,719,449 - Miyamoto , et al. August 1, 2 | 2017-08-01 |
Deterioration Diagnosis Apparatus For Selective Catalytic Reduction Catalyst
App 20170167352 - HAGIWARA; Koji ; et al. | 2017-06-15 |
Deterioration Diagnosis Apparatus For Exhaust Gas Purification Apparatus
App 20170138245 - HAGIWARA; Koji ; et al. | 2017-05-18 |
Abnormality detection apparatus for exhaust gas purification apparatus
Grant 9,650,936 - Hagiwara , et al. May 16, 2 | 2017-05-16 |
Abnormality diagnosis system of air-fuel ratio sensor
Grant 9,624,808 - Miyamoto , et al. April 18, 2 | 2017-04-18 |
Deterioration diagnosis device for an exhaust gas purification apparatus
Grant 9,611,776 - Hagiwara , et al. April 4, 2 | 2017-04-04 |
Exhaust gas purification apparatus for an internal combustion engine
Grant 9,599,055 - Kitaura , et al. March 21, 2 | 2017-03-21 |
Internal Combustion Engine
App 20170058749 - Miyamoto; Hiroshi ; et al. | 2017-03-02 |
ABNORMALITY DIAGNOSIS APPARATUS FOR NOx STORAGE REDUCTION CATALYST
App 20170030244 - HAGIWARA; Koji ; et al. | 2017-02-02 |
Deterioration Diagnosis Apparatus For Exhaust Gas Purification Apparatus
App 20170009626 - HAGIWARA; Koji ; et al. | 2017-01-12 |
Control System Of Internal Combustion Engine
App 20160377008 - OKAZAKI; Shuntaro ; et al. | 2016-12-29 |
Internal Combustion Engine
App 20160363029 - SUZUKI; Kenji ; et al. | 2016-12-15 |
Inter-cylinder air-fuel ratio variation abnormality detection apparatus
Grant 9,512,795 - Suzuki , et al. December 6, 2 | 2016-12-06 |
Inter-cylinder air-fuel ratio variation abnormality detection apparatus for multicylinder internal combustion engine
Grant 9,506,416 - Suzuki , et al. November 29, 2 | 2016-11-29 |
Abnormality Diagnosis System Of Air-fuel Ratio Sensors
App 20160290266 - MIYAMOTO; Hiroshi ; et al. | 2016-10-06 |
Abnormality Diagnosis System Of Air-fuel Ratio Sensor
App 20160281622 - MIYAMOTO; Hiroshi ; et al. | 2016-09-29 |
Inter-cylinder air-fuel ratio variation abnormality detection apparatus
Grant 9,435,279 - Iwazaki , et al. September 6, 2 | 2016-09-06 |
Abnormality Diagnosis System Of Air-fuel Ratio Sensor
App 20160245723 - MIYAMOTO; Hiroshi ; et al. | 2016-08-25 |
Deterioration Diagnosis Device For An Exhaust Gas Purification Apparatus
App 20160237875 - HAGIWARA; Koji ; et al. | 2016-08-18 |
Deterioration Diagnosis Apparatus For The Exhaust Gas Purification Apparatus
App 20160186628 - SAITOH; Hirotaka ; et al. | 2016-06-30 |
Deterioration Diagnosis Device For An Exhaust Gas Purification Apparatus
App 20160186638 - HAGIWARA; Koji ; et al. | 2016-06-30 |
Diagnosis System Of Internal Combustion Engine
App 20160160778 - MIYAMOTO; Hiroshi ; et al. | 2016-06-09 |
Diagnosis System Of Internal Combustion Engine
App 20160138504 - MIYAMOTO; Hiroshi ; et al. | 2016-05-19 |
Diagnosis System Of Internal Combustion Engine
App 20160138506 - MIYAMOTO; Hiroshi ; et al. | 2016-05-19 |
Inter-cylinder air-fuel ratio variation abnormality detection apparatus for multicylinder internal combustion engine
Grant 9,328,685 - Suzuki , et al. May 3, 2 | 2016-05-03 |
Abnormality Diagnosis System Of Air-fuel Ratio Sensor
App 20160115893 - MIYAMOTO; Hiroshi ; et al. | 2016-04-28 |
Abnormality Diagnosis System Of Air-fuel Ratio Sensor
App 20160069242 - Miyamoto; Hiroshi ; et al. | 2016-03-10 |
Exhaust Gas Purification Apparatus For An Internal Combustion Engine
App 20160025026 - Kitaura; Koichi ; et al. | 2016-01-28 |
Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine
Grant 9,194,315 - Iwazaki , et al. November 24, 2 | 2015-11-24 |
Inter-cylinder air-fuel ratio imbalance determining apparatus for internal combustion engine
Grant 9,194,316 - Miyamoto , et al. November 24, 2 | 2015-11-24 |
Fuel injection amount control system and fuel injection amount control device for multi-cylinder internal combustion engine
Grant 9,115,661 - Iwazaki , et al. August 25, 2 | 2015-08-25 |
Abnormality Detection Apparatus For Exhaust Gas Purification Apparatus
App 20150226105 - Hagiwara; Koji ; et al. | 2015-08-13 |
Inter-cylinder Air-fuel Ratio Variation Abnormality Detection Apparatus
App 20150192083 - Suzuki; Kenji ; et al. | 2015-07-09 |
Degradation diagnostic apparatus for NOx catalyst
Grant 9,021,789 - Sawada , et al. May 5, 2 | 2015-05-05 |
Inter-cylinder Air-fuel Ratio Variation Abnormality Detection Apparatus
App 20150114376 - Suzuki; Kenji ; et al. | 2015-04-30 |
Inter-cylinder Air-fuel Ratio Variation Abnormality Detection Apparatus
App 20150107346 - Suzuki; Kenji ; et al. | 2015-04-23 |
Air-fuel ratio imbalance determining apparatus among cylinders for an internal combustion engine
Grant 8,965,665 - Iwazaki , et al. February 24, 2 | 2015-02-24 |
Air-fuel ratio imbalance among cylinders determining apparatus for a multi-cylinder internal combustion engine
Grant 8,903,625 - Kidokoro , et al. December 2, 2 | 2014-12-02 |
Inter-cylinder Air-fuel Ratio Variation Abnormality Detection Apparatus
App 20140309907 - Iwazaki; Yasushi ; et al. | 2014-10-16 |
Inter-cylinder Air-fuel Ratio Variation Abnormality Detection Apparatus For Multicylinder Internal Combustion Engine
App 20140283801 - Suzuki; Kenji ; et al. | 2014-09-25 |
Fuel injection amount control system and fuel injection amount control device for multi-cylinder internal combustion engine
Grant 8,833,348 - Iwazaki , et al. September 16, 2 | 2014-09-16 |
Device for purifying exhaust gas of internal combustion engine
Grant 8,826,642 - Aisaka , et al. September 9, 2 | 2014-09-09 |
Inter-cylinder Air-fuel Ratio Variation Abnormality Detection Apparatus For Multicylinder Internal Combustion Engine
App 20140156205 - Suzuki; Kenji ; et al. | 2014-06-05 |
Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine
Grant 8,744,729 - Iwazaki , et al. June 3, 2 | 2014-06-03 |
Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine
Grant 8,725,387 - Iwazaki , et al. May 13, 2 | 2014-05-13 |
Inter-cylinder Air-fuel Ratio Variation Abnormality Detection Apparatus For Multicylinder Internal Combustion Engine
App 20140129116 - Suzuki; Kenji ; et al. | 2014-05-08 |
Abnormality determination system for multi-cylinder internal combustion engine
Grant 8,700,290 - Miyamoto , et al. April 15, 2 | 2014-04-15 |
Air-fuel-ratio imbalance determination apparatus for internal combustion engine
Grant 8,670,917 - Aoki , et al. March 11, 2 | 2014-03-11 |
Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine
Grant 8,650,943 - Kimura , et al. February 18, 2 | 2014-02-18 |
Apparatus for acquiring responsibility of oxygen concentration sensor
Grant 8,649,956 - Kawamura , et al. February 11, 2 | 2014-02-11 |
Fuel injection amount control system, fuel injection amount control device, and fuel injection amount control method of multi-cylinder internal combustion engine
Grant 8,583,348 - Iwazaki , et al. November 12, 2 | 2013-11-12 |
Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine
Grant 8,560,208 - Miyamoto , et al. October 15, 2 | 2013-10-15 |
Apparatus For Determining An Air-fuel Ratio Imbalance Among Cylinders Of An Internal Combustion Engine
App 20130261934 - Iwazaki; Yasushi ; et al. | 2013-10-03 |
Inter-cylinder Air-fuel Ratio Imbalance Detection Apparatus For Internal Combustion Engine
App 20130253802 - Miyamoto; Hiroshi ; et al. | 2013-09-26 |
Apparatus and method for diagnosing catalyst deterioration
Grant 8,534,046 - Miyamoto , et al. September 17, 2 | 2013-09-17 |
Monitoring apparatus for a multi-cylinder internal combustion engine
Grant 8,509,984 - Kidokoro , et al. August 13, 2 | 2013-08-13 |
Cylinder-to-cylinder air/fuel ratio imbalance determination system of internal combustion engine
Grant 8,510,017 - Sawada , et al. August 13, 2 | 2013-08-13 |
Device For Purifying Exhaust Gas Of Internal Combustion Engine
App 20130199161 - Aisaka; Takeho ; et al. | 2013-08-08 |
Fuel Injection Amount Control Apparatus For An Internal Combustion Engine
App 20130144510 - Iwazaki; Yasushi ; et al. | 2013-06-06 |
Inter-cylinder air-fuel ratio imbalance determination apparatus for an internal combustion engine
Grant 8,452,521 - Iwazaki , et al. May 28, 2 | 2013-05-28 |
Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine
Grant 8,452,517 - Sawada , et al. May 28, 2 | 2013-05-28 |
Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine
Grant 8,447,497 - Iwazaki , et al. May 21, 2 | 2013-05-21 |
Inter-cylinder Air-fuel Ratio Imbalance Determining Apparatus For Internal Combustion Engine
App 20130073184 - Miyamoto; Hiroshi ; et al. | 2013-03-21 |
Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine
Grant 8,401,766 - Iwazaki , et al. March 19, 2 | 2013-03-19 |
Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine
Grant 8,401,765 - Iwazaki , et al. March 19, 2 | 2013-03-19 |
Apparatus for determining an air-fuel ratio imbalance among cylinders of an internal combustion engine
Grant 8,370,043 - Kidokoro , et al. February 5, 2 | 2013-02-05 |
Inter-cylinder Air-fuel Ratio Imbalance Determination Apparatus For Internal Combustion Engine
App 20120323466 - Iwazaki; Yasushi ; et al. | 2012-12-20 |
Inter-cylinder Air-fuel Ratio Imbalance Determination Apparatus For Internal Combustion Engine
App 20120277980 - Iwazaki; Yasushi ; et al. | 2012-11-01 |
Inter-cylinder Air-fuel Ratio Imbalance Determination Apparatus For An Internal Combustion Engine
App 20120232773 - Iwazaki; Yasushi ; et al. | 2012-09-13 |
Exhaust gas sensor abnormality diagnostic device
Grant 8,260,576 - Iwazaki , et al. September 4, 2 | 2012-09-04 |
Inter-cylinder Air-fuel Ratio Imbalance Determination Apparatus For Internal Combustion Engine
App 20120215427 - Miyamoto; Hiroshi ; et al. | 2012-08-23 |
Inter-cylinder air-fuel ratio imbalance judgment device for multi-cylinder internal combustion engine
Grant 8,249,794 - Miyamoto , et al. August 21, 2 | 2012-08-21 |
Air-fuel-ratio Imbalance Determination Apparatus For Internal Combustion Engine
App 20120209498 - Aoki; Keiichiro ; et al. | 2012-08-16 |
Apparatus For Determining An Air-fuel Ratio Imbalance Among Cylinders Of An Internal Combustion Engine
App 20120185156 - Iwazaki; Yasushi ; et al. | 2012-07-19 |
Apparatus And Method For Detecting Variation Abnormality In Air-fuel Ratio Between Cylinders
App 20120174900 - Miyamoto; Hiroshi ; et al. | 2012-07-12 |
Air-fuel Ratio Imbalance Determining Apparatus Among Cylinders For An Internal Combustion Engine
App 20120173116 - Iwazaki; Yasushi ; et al. | 2012-07-05 |
Air-fuel Ratio Imbalance Among Cylinders Determining Apparatus For An Internal Combustion Engine
App 20120173115 - Sawada; Hiroshi ; et al. | 2012-07-05 |
Exhaust gas sensor abnormality diagnostic device
Grant 8,214,176 - Iwazaki , et al. July 3, 2 | 2012-07-03 |
Apparatus For Determining An Air-fuel Ratio Imbalance Among Cylinders Of An Internal Combustion Engine
App 20120160022 - Kimura; Koichi ; et al. | 2012-06-28 |
Inter-cylinder Air-fuel Ratio Imbalance Judgment Device For Multi-cylinder Internal Combustion Engine
App 20120116651 - Miyamoto; Hiroshi ; et al. | 2012-05-10 |
Exhaust Gas Sensor Abnormality Diagnostic Device
App 20120046910 - IWAZAKI; Yasushi ; et al. | 2012-02-23 |
Air-fuel Ratio Imbalance Among Cylinders Determining Apparatus For A Multi-cylinder Internal Combustion Engine
App 20120035831 - Kidokoro; Toru ; et al. | 2012-02-09 |
Fuel Injection Amount Control System, Fuel Injection Amount Control Device, And Fuel Injection Amount Control Method Of Multi-cylinder Internal Combustion Engine
App 20120024273 - IWAZAKI; Yasushi ; et al. | 2012-02-02 |
Fuel Injection Amount Control System And Fuel Injection Amount Control Device For Multi-cylinder Internal Combustion Engine
App 20120029792 - Iwazaki; Yasushi ; et al. | 2012-02-02 |
Fuel Injection Amount Control System And Fuel Injection Amount Control Device For Multi-cylinder Internal Combustion Engine
App 20120024272 - Iwazaki; Yasushi ; et al. | 2012-02-02 |
Abnormality Determination System For Multi-cylinder Internal Combustion Engine
App 20120022772 - Miyamoto; Hiroshi ; et al. | 2012-01-26 |
Apparatus For Acquiring Responsibility Of Oxygen Concentration Sensor
App 20110283981 - KAWAMURA; Yusuke ; et al. | 2011-11-24 |
Apparatus For Determining An Air-fuel Ratio Imbalance Among Cylinders Of An Internal Combustion Engine
App 20110288739 - Kidokoro; Toru ; et al. | 2011-11-24 |
Monitoring Apparatus For A Multi-cylinder Internal Combustion Engine
App 20110282541 - Kidokoro; Toru ; et al. | 2011-11-17 |
Air-fuel Ratio Imbalance Among Cylinders Determining Apparatus For An Internal Combustion Engine
App 20110271665 - Iwazaki; Yasushi ; et al. | 2011-11-10 |
Apparatus and method for detecting abnormality of inter-cylinder air-fuel ratio dispersion in multi-cylinder internal combustion engine
Grant 8,047,064 - Iwazaki , et al. November 1, 2 | 2011-11-01 |
Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine
Grant 8,024,105 - Iwazaki , et al. September 20, 2 | 2011-09-20 |
Apparatus For Detecting Abnormal Air-fuel Ratio Variation Among Cylinders Of Multi-cylinder Internal Combustion Engine
App 20110191005 - Iwazaki; Yasushi ; et al. | 2011-08-04 |
Cylinder-to-cylinder Air/fuel Ratio Imbalance Determination System Of Internal Combustion Engine
App 20110054761 - SAWADA; Hiroshi ; et al. | 2011-03-03 |
Apparatus And Method For Diagnosing Catalyst Deterioration
App 20100307135 - Miyamoto; Hiroshi ; et al. | 2010-12-09 |
Abnormality Diagnostic Device And Abnormality Diagnostic Method For Multicylinder Internal Combustion Engine
App 20100211290 - KIDOKORO; Toru ; et al. | 2010-08-19 |
Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor
Grant 7,751,966 - Iwazaki July 6, 2 | 2010-07-06 |
Apparatus And Method For Detecting Abnormal Air-fuel Ratio Variation Among Cylinders Of Multi-cylinder Internal Combustion Engine
App 20100168986 - Iwazaki; Yasushi ; et al. | 2010-07-01 |
Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor
Grant 7,725,247 - Iwazaki May 25, 2 | 2010-05-25 |
Abnormality diagnostic device for air-fuel ratio sensor, and control method for the device
Grant 7,720,595 - Iwazaki May 18, 2 | 2010-05-18 |
Catalyst Monitoring System And Catalyst Monitoring Method
App 20100083635 - Kitaura; Koichi ; et al. | 2010-04-08 |
Degradation Diagnostic Apparatus For Nox Catalyst
App 20100083637 - Sawada; Hiroshi ; et al. | 2010-04-08 |
Apparatus And Method For Detecting Abnormal Air-fuel Ratio Variation Among Cylinders Of Multi-cylinder Internal Combustion Engine
App 20090260347 - IWAZAKI; Yasushi ; et al. | 2009-10-22 |
Air-fuel ratio control apparatus and method for an internal combustion engine
Grant 7,597,091 - Suzuki , et al. October 6, 2 | 2009-10-06 |
Apparatus And Method For Detecting Abnormality Of Inter-cylinder Air-fuel Ratio Dispersion In Multi-cylinder Internal Combustion Engine
App 20090211350 - IWAZAKI; Yasushi ; et al. | 2009-08-27 |
Exhaust Gas Sensor Abnormality Diagnostic Device
App 20090089011 - Iwazaki; Yasushi ; et al. | 2009-04-02 |
Air-fuel ratio control apparatus and method for an internal combustion engine
App 20090037079 - Suzuki; Yusuke ; et al. | 2009-02-05 |
Abnormality diagnostic device for air-fuel ratio sensor, and control method for the device
App 20080251057 - Iwazaki; Yasushi | 2008-10-16 |
Method and apparatus for detecting exhaust gas sensor defect
Grant 7,434,450 - Tashiro , et al. October 14, 2 | 2008-10-14 |
Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor
App 20080189008 - Iwazaki; Yasushi | 2008-08-07 |
Abnormality diagnostic device and abnormality diagnostic method for air-fuel ratio sensor
App 20080154528 - Iwazaki; Yasushi | 2008-06-26 |
Method and apparatus for detecting exhaust gas sensor defect
App 20060277971 - Tashiro; Kenji ; et al. | 2006-12-14 |
Abnormality diagnosis system and method for oxygen sensor
Grant 6,711,932 - Iwazaki , et al. March 30, 2 | 2004-03-30 |
Abnormality diagnosis system and method for oxygen sensor
App 20030005746 - Iwazaki, Yasushi ; et al. | 2003-01-09 |
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