Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447358 | Lubricant composition for internal combustion engine oil | Yasunori Shimizu | 2016-09-20 |
| 9388361 | Lubricating oil additive composition and lubricating oil composition | Izumi Terada | 2016-07-12 |