Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144945 | Portable oxygen-enriching air inhaler | Masato Kawai, Kiyoshi Ohno, Seiichi Ito, Nobuyoshi Itoh | 1992-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144945 | Portable oxygen-enriching air inhaler | Masato Kawai, Kiyoshi Ohno, Seiichi Ito, Nobuyoshi Itoh | 1992-09-08 |