Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7960319 | Lubricating oil composition | — | 2011-06-14 |
| 7956021 | Diesel engine lubricating oil composition for large-bore two-stroke cross-head diesel engines | — | 2011-06-07 |
| 7875577 | Diesel engine lubricating oil composition for large-bore two-stroke cross-head diesel engines | — | 2011-01-25 |
| 7687444 | Lubricating oil composition having improved oxidation stability at high temperatures | — | 2010-03-30 |
| 6551965 | Marine diesel engine lubricating oil composition having improved high temperature performance | Shigeru Iwamoto, Hirokazu Fujita | 2003-04-22 |
| 4855073 | Lubricant compositions and methods for preparation of same | Mitsuhiro Murakami, Takahiro Mikami, Mitsuji Tokuno | 1989-08-08 |