Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998322 | Filter medium for molten metals | Kazutomo Hoshino, Toshiya Kunisaki, Hideaki Seto, Yukio Kai, Atsushi Kikuchi +1 more | 1999-12-07 |
| 5152893 | Ceramic filter for molten metal | Tadahiro Yoshida | 1992-10-06 |