Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884959 | Mold used in pressure casting ceramic articles | Akio Matsumoto | 1989-12-05 |
| 4874304 | Porous mold for pressure slip casting | Akio Matsumoto | 1989-10-17 |
| 4844853 | Method of making mold used in pressure slip casting | Akio Matsumoto | 1989-07-04 |
| 4832890 | Casting process | Kimiteru Sato | 1989-05-23 |
| 4830802 | Method of making mold used in pressure slip casting | Akio Matsumoto | 1989-05-16 |
| 4818457 | Method of making mold used in slip casting process | Akio Matsumoto | 1989-04-04 |
| 4798525 | Casting installation | Kimiteru Sato | 1989-01-17 |