Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837662 | Ventilation grille and ventilation fan | Yasuaki Shima, Daisuke KANEMATSU | 2020-11-17 |
| 10837663 | Ventilation fan humidity sensor and case | Daisuke KANEMATSU, Yasuaki Shima | 2020-11-17 |
| 10760801 | Ventilator and method of manufacturing ventilator | Yasuaki Shima, Daisuke KANEMATSU | 2020-09-01 |