Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145275 | Oil deterioration prevention device | Yasuhiro Saito, Hideto Morishita, Ippei Fukutomi, Motoichi Murakami, Masatoshi Hiyoshi +1 more | 2018-12-04 |
| 10119436 | Internal combustion engine | Satoko Tofukuji, Kenji Ikeda | 2018-11-06 |
| 10112132 | Oil additive and oil filter | Ippei Fukutomi, Motoichi Murakami, Hideto Morishita, Yasuhiro Saito | 2018-10-30 |