Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850446 | Lubricant composition | Yasunori Shimizu | 2017-12-26 |
| 9790450 | Lubricating oil composition for engine made of aluminum alloy and lubrication method | Yasunori Shimizu, Yoriyuki Takashima | 2017-10-17 |