Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329973 | Engine oil deterioration diagnosis device | Tomohisa Handa, Kunihiro Nishi, Kenko Ujihara | 2019-06-25 |
| 10233797 | Oil supply device for engine | Masanori Hashimoto | 2019-03-19 |