Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9546671 | Pressure exchange device | Yoshifumi Hirosawa, Akira Shouzaki, Kazuto Komatsu | 2017-01-17 |
| 9328743 | Pressure exchanger and performance adjustment method of pressure exchanger | Yoshifumi Hirosawa, Akira Shouzaki | 2016-05-03 |
| D752716 | Pressure recovery machine | Yoshifumi Hirosawa, Hirotaka Murakami | 2016-03-29 |