Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674374 | Sn-Bi alloy-plating bath and plating method using the same | Satoshi Yuasa | 1997-10-07 |
| 5618402 | Tin-zinc alloy electroplating bath and method for electroplating using the same | Tadahiro Ohnuma | 1997-04-08 |