Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035749 | Process for removing tin and tin-lead alloy from copper substrates | Takashi Haruta, Takaharu Nagano, Yasushi Yamada, Tomoko Yuno | 1991-07-30 |
| 4374744 | Stripping solution for tin or tin alloys | Yutaka Kawanabe | 1983-02-22 |