Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660619 | Electroless gold plating solution | Hiroshi Wachi | 1997-08-26 |
| 5614004 | Electroless gold plating solution | Hiroshi Wachi | 1997-03-25 |
| 5601637 | Electroless gold plating solution | Hiroshi Wachi | 1997-02-11 |