Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225128 | Method for producing extruded ceramic products | Kenji Arai | 1993-07-06 |
| 4839120 | Ceramic material extruding method and apparatus therefor | Toshio Baba, Hajime Matsushita | 1989-06-13 |