Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106589 | Method for treating noble metal complex ions | Suehide Hirata, Hiroshi Nakamura, Kikuo Fujiwara | 2000-08-22 |
| 5474593 | Agent for treating metal ions in an aqueous solution, process for producing the metal ion-treating agent and method for treating metal ions in an aqueous solution | Tatsuya Sakurai, Hiroshi Fujimura, Keishiro Hata | 1995-12-12 |