Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758890 | Production method and device of surface roughened copper plate, and surface roughened copper plate | Hajime Watanabe, Kiyoteru Yamamoto, Takahiro Imai, Toshihiro Oyoshi | 2017-09-12 |
| 8815072 | Method for producing a surface roughened copper plate | Hajime Watanabe, Kiyoteru Yamamoto, Takahiro Imai, Toshihiro Oyoshi | 2014-08-26 |