Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8485167 | Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor | Hiroaki Tsuji, Yuya Yoshikawa, Keiko Okamoto | 2013-07-16 |
| 8245568 | Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor | Yuya Yoshikawa, Hiroaki Tsuji, Keiko Okamoto | 2012-08-21 |
| 8245569 | Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor | Keiko Okamoto, Yuya Yoshikawa, Hiroaki Tsuji | 2012-08-21 |
| 8240195 | Abnormality detection apparatus and abnormality detection method for air/fuel ratio sensor | Hiroaki Tsuji, Keiko Okamoto, Yuya Yoshikawa | 2012-08-14 |
| 7010908 | Anomaly judgment apparatus for secondary air supply system | Hiroyasu Koyama, Shigemasa Hirooka, Kenji Kimura, Keita Nakanishi | 2006-03-14 |
| 6966177 | Anomaly judgment apparatus for secondary air supply system | Hiroyasu Koyama, Kenji Kimura, Shigemasa Hirooka, Keita Nakanishi | 2005-11-22 |