Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696063 | Basic metal salt of dithiocarbamic acid and lubricating oil composition containing said salt | Michihide Tokashiki, Hirotaka Tomizawa | 1997-12-09 |
| 5672572 | Lubricating oil composition | Satoshi Asano, Sadao Wada | 1997-09-30 |
| 5665684 | Lubricating oil composition | Satoshi Asano, Sadao Wada | 1997-09-09 |
| 5605880 | Lubricating oil composition | Hirotaka Tomizawa | 1997-02-25 |