Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525208 | Method for recovery of Zn and Pb from iron and steel dust | Yukio Ishikawa, Yasuo Ojima, Hiromi Harada, Yoshiaki Mori | 1985-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525208 | Method for recovery of Zn and Pb from iron and steel dust | Yukio Ishikawa, Yasuo Ojima, Hiromi Harada, Yoshiaki Mori | 1985-06-25 |