Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9884162 | Oxygen concentration device | Sumihiro Kobayashi | 2018-02-06 |
| D804809 | Bag for oxygen concentrating apparatus | Hideo Nawata | 2017-12-12 |
| 9011582 | Oxygen enrichment device | Makoto Ando | 2015-04-21 |
| 8677998 | Oxygen concentrator | Yuki Yamaura | 2014-03-25 |
| D693005 | Oxygen concentrating apparatus | Hideo Nawata, Seiji Masumura | 2013-11-05 |