Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7189336 | Etchant, method for roughening copper surface and method for producing printed wiring board | Kazunori Senbiki, Nobuhiro Yamazaki | 2007-03-13 |
| 6902626 | Method for roughening copper surface | Kazunori Senbiki, Nobuhiro Yamazaki | 2005-06-07 |
| 6666987 | Liquid etchant and method for roughening copper surface | Kazunori Senbiki, Nobuhiro Yamazaki | 2003-12-23 |
| 6544436 | Etchant, method for roughening copper surface and method for producing printed wiring board | Kazunori Senbiki, Nobuhiro Yamazaki | 2003-04-08 |