Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145275 | Oil deterioration prevention device | Yasuhiro Saito, Hideto Morishita, Motoichi Murakami, Katsuichi Miyasaka, Masatoshi Hiyoshi +1 more | 2018-12-04 |
| 10124329 | Oil degradation suppressor | Motoichi Murakami, Hideto Morishita, Yasuhiro Saito | 2018-11-13 |
| 10112132 | Oil additive and oil filter | Motoichi Murakami, Katsuichi Miyasaka, Hideto Morishita, Yasuhiro Saito | 2018-10-30 |
| 9957858 | Oil deterioration suppressing apparatus for internal combustion engine | Motoichi Murakami, Norio Inami | 2018-05-01 |