Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863882 | Rare earth oxysulfide ceramics | Naotoshi Matsuda, Masaaki Tamatani | 1989-09-05 |
| 4857741 | X-ray intensifying screen | Akihisa Saito | 1989-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863882 | Rare earth oxysulfide ceramics | Naotoshi Matsuda, Masaaki Tamatani | 1989-09-05 |
| 4857741 | X-ray intensifying screen | Akihisa Saito | 1989-08-15 |