Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531428 | Low phosphorous engine oil composition and additive compositions | Morikuni Nakazato, Akihiro Mochizuki, Hiroshi Tanabe | 2003-03-11 |
| 5629272 | Low phosphorous engine oil compositions and additive compositions | Morikuni Nakazato, Yoshifumi Isozaki | 1997-05-13 |