Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821136 | Opening and closing device and respiratory assistance device | — | 2017-11-21 |
| 9623203 | Respiratory assistance device with blower placed above the mouth of a user | Shinichi Shiota, Masashi Higashiura | 2017-04-18 |