Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795589 | Silicate phosphor | Yukio Tokunaga, Mitsuharu Natsugari, Susumi Omatoi, Shinji Yokota | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795589 | Silicate phosphor | Yukio Tokunaga, Mitsuharu Natsugari, Susumi Omatoi, Shinji Yokota | 1989-01-03 |