Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10029396 | Seal carving apparatus and thermal carving machine | Masayoshi Uchida | 2018-07-24 |
| 9993972 | Seal carving apparatus and seal carving method | Masayoshi Uchida | 2018-06-12 |
| 9878491 | Seal carving apparatus and seal carving method | Masayoshi Uchida | 2018-01-30 |