Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801398 | Method of preparing fluorescent material of small particle size | Katsutoshi Ohno, Tomohiko Abe; | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801398 | Method of preparing fluorescent material of small particle size | Katsutoshi Ohno, Tomohiko Abe; | 1989-01-31 |