Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670464 | Additive for lubricating oils for diesel engines and lubricating oil compositions containing the same | Takashi Ohtani, Jiro Hashimoto | 1997-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670464 | Additive for lubricating oils for diesel engines and lubricating oil compositions containing the same | Takashi Ohtani, Jiro Hashimoto | 1997-09-23 |