Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9939348 | Catalyst deterioration diagnosis method | Osamu Nakasone, Noriko HIRATA | 2018-04-10 |
| 9891139 | Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method | Osamu Nakasone, Noriko HIRATA | 2018-02-13 |