Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942960 | Method of preserving wine in a bottle and a wine preserving container | Akira Ota, Akira Kawasaki | 1990-07-24 |
| 4850480 | Method of preserving wine in a bottle and a wine preserving container | Akira Ota, Akira Kawasaki | 1989-07-25 |