Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6203593 | Ceramic filter and method of filtrating molten metal using the same | Takashi Tokugawa | 2001-03-20 |
| 5676833 | High-temperature ceramic filter | Fumio Odaka | 1997-10-14 |
| 4740406 | Porous ceramic structure | Tsuneaki Narumiya, Hirotsugu Masuda, Munehiko Kato | 1988-04-26 |