Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053831 | Exhaust gas purification apparatus for an internal combustion engine | Hiromasa Hashimoto, Shuntaro Okazaki | 2021-07-06 |
| 10920704 | Abnormality diagnosis system of air-fuel ratio sensor | Hiroshi Miyamoto, Toru Kidokoro, Kenji Suzuki | 2021-02-16 |