Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072542 | Abnormality diagnosis device | Hiroaki Fujii | 2018-09-11 |
| 9981224 | Exhaust purification device | Takao Mishima | 2018-05-29 |
| 9964513 | Gas sensor control apparatus | Mikiyasu Matsuoka, Takao Mishima | 2018-05-08 |
| 9890725 | Gas sensor control device | Mikiyasu Matsuoka | 2018-02-13 |