Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672570 | Lubricating oil composition for diesel engine and method for lubrication of diesel engine using same | Tomomi Miyaji, Keiich Narita | 1997-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672570 | Lubricating oil composition for diesel engine and method for lubrication of diesel engine using same | Tomomi Miyaji, Keiich Narita | 1997-09-30 |