Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11147656 | Method for producing artificial teeth | Tsuneo Hagiwara | 2021-10-19 |
| 11042088 | Method for producing a three-dimensional article by stereo-lithography | Tsuneo Hagiwara | 2021-06-22 |