Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10518462 | Double-walled container manufacturing method | Kazuyuki Hatakeyama | 2019-12-31 |
| 10315803 | Double container assembly and manufacturing method therefor | Kazuyuki Hatakeyama | 2019-06-11 |