Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9493878 | Surface roughening agent for aluminum, and surface roughening method using said surface roughening agent | Minoru Otani | 2016-11-15 |
| 7285229 | Etchant and replenishment solution therefor, and etching method and method for producing wiring board using the same | Masayo Kuriyama, Daisaku Akiyama, Kaoru Urushibata | 2007-10-23 |
| 6106899 | Method for surface treatment of copper or copper alloys | Toshiko Nakagawa | 2000-08-22 |