Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11867318 | High-pressure fluid discharge device | Yoshitada Doi, Masayuki Oshima, Hiroaki Sasaki | 2024-01-09 |
| 11298714 | Intermittent air-generating device | Yoshitada Doi, Masayuki Oshima | 2022-04-12 |