Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935887 | Ceramic filter and method for preparing same | Eiichi Sudo | 1999-08-10 |
| 5667685 | Filter for the filtration of molten aluminum | Tadahiro Yoshida, Taro Kobayashi, Yukio Kai | 1997-09-16 |