Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147035 | Lubricating oil composition containing overbased metal salicylate, amine antioxidant, phenol antioxidant, polyalkenylsuccinimide and zinc dialkyldithiophosphate | Masakichi Shimada, Masaaki Shiomi | 2000-11-14 |