Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359740 | Valve device | Ryo Sano | 2025-07-15 |
| 12196327 | Valve device | Takehito MIZUNUMA, Ryo Sano, Hiroki Shimada | 2025-01-14 |
| 11035099 | Work vehicle | Tadashi Osaka, Hidekazu Moriki, Kazuo Ishida, Noritaka Itou | 2021-06-15 |