Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637615 | Thermal insulation box | Masaaki Kawasumi | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637615 | Thermal insulation box | Masaaki Kawasumi | 2003-10-28 |