Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884959 | Mold used in pressure casting ceramic articles | Haruyuki Ito | 1989-12-05 |
| 4874304 | Porous mold for pressure slip casting | Haruyuki Ito | 1989-10-17 |
| 4844853 | Method of making mold used in pressure slip casting | Haruyuki Ito | 1989-07-04 |
| 4830802 | Method of making mold used in pressure slip casting | Haruyuki Ito | 1989-05-16 |
| 4828771 | Method of producing porous material having open pores | Noboru Kishima | 1989-05-09 |
| 4824336 | Vacuum pump | Yoshiyuki Iwaki, Kimiaki Seki | 1989-04-25 |
| 4818457 | Method of making mold used in slip casting process | Haruyuki Ito | 1989-04-04 |
| 4797425 | Method of producing porous material having open pores | Noboru Kishima | 1989-01-10 |