Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781233 | Copper oxide solid for use in plating of a substrate, method of producing the copper oxide solid, and apparatus for supplying a plating solution into a plating tank | Junitsu Yamakawa, Chunhui Dou, Toshio Yokoyama | 2023-10-10 |
| 11767606 | Copper oxide solid for use in plating of a substrate, method of producing the copper oxide solid, and apparatus for supplying a plating solution into a plating tank | Junitsu Yamakawa, Chunhui Dou, Toshio Yokoyama | 2023-09-26 |