Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12157083 | Particulate collection device | — | 2024-12-03 |
| 12158407 | Fine-particle sampling device having an arrangement of first and second electrodes and method of sampling fine particles | — | 2024-12-03 |
| 11285418 | Air purifying apparatus and air purifying method | Osamu Akasaka | 2022-03-29 |