Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343678 | Nitrogen recovery method, nitrogen recovery device, and product obtained by same | Akira Fujino, Yuko SASAGAWA | 2025-07-01 |
| 10494983 | Valve device with fail-safe mechanism | Hiroshi Suda | 2019-12-03 |