Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947475 | Lubricating oil composition | Ko Onodera, Tomohiro Kato, Kosuke Fujimoto, Minoru Yamashita | 2021-03-16 |
| 6750185 | Lubricating oil composition for internal combustion engines | Sonmin Ryu, Satoshi Ogano | 2004-06-15 |