Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650936 | Abnormality detection apparatus for exhaust gas purification apparatus | Toru Kidokoro, Yasushi Iwazaki | 2017-05-16 |
| 9617900 | Deterioration diagnosis device for an exhaust gas purification apparatus | Hirotaka Saitoh, Yasushi Iwazaki | 2017-04-11 |
| 9611776 | Deterioration diagnosis device for an exhaust gas purification apparatus | Hirotaka Saitoh, Toru Kidokoro, Yasushi Iwazaki, Takahiko Fujiwara | 2017-04-04 |