Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110349 | Method for recovering metallic tin from electroplating sludge | Katsuhito Kawamura, Fuyuhiko Ishikawa, Kei Yuki, Shinji Kawashima, Toshimichi Ukena | 2000-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110349 | Method for recovering metallic tin from electroplating sludge | Katsuhito Kawamura, Fuyuhiko Ishikawa, Kei Yuki, Shinji Kawashima, Toshimichi Ukena | 2000-08-29 |