Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11470928 | Silver jewelry and method for producing the same | Masami Munakata | 2022-10-18 |
| 11220726 | Silver article and method for producing silver article | Masami Munakata | 2022-01-11 |