Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132124 | Powdered drink brewing bag | Naoya Hirayama | 1992-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132124 | Powdered drink brewing bag | Naoya Hirayama | 1992-07-21 |