Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072544 | Deterioration diagnosis apparatus for the exhaust gas purification apparatus | Hirotaka Saitoh, Koji Hagiwara, Toru Kidokoro, Yasushi Iwazaki | 2018-09-11 |
| 10072553 | Deterioration diagnosis apparatus for selective catalytic reduction catalyst | Koji Hagiwara, Toru Kidokoro, Yasushi Iwazaki | 2018-09-11 |
| 10066534 | Internal combustion engine | Hiroshi Miyamoto, Tatsuhiro Hashida, Yasushi Iwazaki, Toru Kidokoro | 2018-09-04 |