Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646337 | Wiring circuit substrate and manufacturing method therefor | Masayuki Ohsawa | 2003-11-11 |
| 6617236 | Fabrication method of wiring substrate for mounting semiconductor element and semiconductor device | Kenji Oosawa, Hidetoshi Kusano | 2003-09-09 |
| 6528874 | Wiring circuit substrate and manufacturing method thereof | Masayuki Ohsawa | 2003-03-04 |