Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253180 | Valve device | Hiroyuki Kawarai, Toshiaki Fujitani | 2025-03-18 |
| 11971116 | Rotary-type valve device | Shoichi ISHIGUCHI | 2024-04-30 |
| 11885421 | Rotary-type valve device | Shoichi ISHIGUCHI | 2024-01-30 |
| 9541009 | Intake device | Etsuo Nishimura, Hiroyuki Yanazawa | 2017-01-10 |