Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087919 | Air compressor with improved noise reduction performance | Shinichi Ito | 2018-10-02 |
| D808017 | Oxygen concentrating apparatus | Shinichi Ito | 2018-01-16 |
| D804809 | Bag for oxygen concentrating apparatus | Hisashi Kiriake | 2017-12-12 |
| D693005 | Oxygen concentrating apparatus | Hisashi Kiriake, Seiji Masumura | 2013-11-05 |
| 7954493 | Oxygen supplying apparatus | — | 2011-06-07 |
| 7682428 | Oxygen concentration apparatus | Naotoshi Fujimoto, Kanji Kurome, Sadakazu Matsubara | 2010-03-23 |
| 7431035 | Respiration-synchronous gas supplying device | Mamiko Mizuta | 2008-10-07 |