Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10188821 | Oxygen concentration device | Maki Hojo | 2019-01-29 |
| D702353 | Oxygen concentrating apparatus | Nozomi Miya | 2014-04-08 |
| 8070864 | Oxygen concentrator | Mitsuru Uchiyama, Makoto Ando | 2011-12-06 |
| D604417 | Oxygen concentrating apparatus | Hiroki Takeshima | 2009-11-17 |