Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384882 | Polyalkylene glycol compound | So NAKAJIMA | 2025-08-12 |
| 12275910 | Lubricating oil composition | Akio Kojima, Kenichi Ogata, Shota KATO, Keiichi Narita | 2025-04-15 |
| 12227471 | Polyalkylene glycol-based compound | So NAKAJIMA | 2025-02-18 |
| 12195691 | Lubricating oil additive composition and lubricating oil composition | Shota KATO, Hideto Kamimura | 2025-01-14 |