Issued Patents All Time
Showing 1–6 of 6 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 |
| 11965142 | Lubricating oil composition | — | 2024-04-23 |
| 10260401 | Method of determining arrangement position of spherical joint for connecting exhaust pipes to each other in exhaust system, and exhaust system | Hidetoshi Kaida, Yukito Matsumoto, Shunya Oda | 2019-04-16 |