Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184186 | Composition for blackening copper-based or silver-based metals | Azusa Kita, Hiroaki Sakai | 2019-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184186 | Composition for blackening copper-based or silver-based metals | Azusa Kita, Hiroaki Sakai | 2019-01-22 |