Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253180 | Valve device | Hiroyuki Kawarai, Yasuhiro Tochigi | 2025-03-18 |
| 12013192 | Valve device having outer circumferential surface having communication hole and groove | Takuya Kawasaki | 2024-06-18 |
| 11378195 | Reed valve | Shingo Karino, Hiroyuki Kawarai, Mitsukuni Oyama | 2022-07-05 |