Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410379 | Lubricant oil composition | Kenji SUNAHARA, Masaya Kubota, Shota KATO | 2025-09-09 |
| 12391897 | Lubricating oil composition | Kenji SUNAHARA | 2025-08-19 |
| 12384982 | Lubricating oil composition | Kenji SUNAHARA, Tsukasa Yamagishi, Masaya Kubota | 2025-08-12 |
| 12359144 | Lubricant composition | Kenji SUNAHARA, Masaya Kubota | 2025-07-15 |