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Controller and control method for internal combustion engine Grant 10,677,180 - Yoshikawa , et al. | 2020-06-09 |
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Air-fuel ratio control apparatus for internal combustion engine Grant 9,752,523 - Yoshikawa , et al. September 5, 2 | 2017-09-05 |
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Abnormality Detecting Device Of Internal Combustion Engine App 20140290348 - Nakajima; Isao ;   et al. | 2014-10-02 |
Inter-cylinder air-fuel ratio imbalance abnormality determination device Grant 8,695,568 - Yoshikawa April 15, 2 | 2014-04-15 |
Apparatus and method for detecting abnormal air-fuel ratio variation between cylinders Grant 8,640,532 - Yoshikawa February 4, 2 | 2014-02-04 |
Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor Grant 8,485,167 - Ogiso , et al. July 16, 2 | 2013-07-16 |
Apparatus And Method For Detecting Abnormal Air-fuel Ratio Variation Between Cylinders App 20130118245 - Yoshikawa; Yuya | 2013-05-16 |
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Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor Grant 8,245,569 - Ogiso , et al. August 21, 2 | 2012-08-21 |
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