Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1089558 | Valve handle | Koji Hiramatsu, Tadayuki Yakushijin | 2025-08-19 |
| 12188578 | Valve | Souta Hachiman, Keisuke Ishibashi, Tadayuki Yakushijin, Michio Yamaji | 2025-01-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1089558 | Valve handle | Koji Hiramatsu, Tadayuki Yakushijin | 2025-08-19 |
| 12188578 | Valve | Souta Hachiman, Keisuke Ishibashi, Tadayuki Yakushijin, Michio Yamaji | 2025-01-07 |