Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427368 | Manufacturing method for double walled container | Harumasa Hatakeyama | 2022-08-30 |
| 10954022 | Double walled container | Harumasa Hatakeyama | 2021-03-23 |
| 10786941 | Double-layered container and method for production of the same | Harumasa Hatakeyama | 2020-09-29 |
| 10518462 | Double-walled container manufacturing method | Harumasa Hatakeyama | 2019-12-31 |
| 10315803 | Double container assembly and manufacturing method therefor | Harumasa Hatakeyama | 2019-06-11 |
| 6391972 | Plastic articles | — | 2002-05-21 |