Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821452 | Etchant | Hirohisa Kikuyama, Masayuki Miyashita, Tadahiro Ohmi | 2004-11-23 |
| 6797194 | Surface treating for micromachining and method for surface treatment | Hirohisa Kikuyama, Masayuki Miyashita, Tadahiro Ohmi | 2004-09-28 |