Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837409 | Purge system malfunction diagnosis device | Masahiro Ono, Naoki Matsumoto, Kazunori Takahashi | 2020-11-17 |
| 10774790 | Purge system malfunction diagnosis device | Naoki Matsumoto, Atsushi Kaneko, Yoshitaka Ono | 2020-09-15 |