Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795589 | Silicate phosphor | Yukio Tokunaga, Mitsuharu Natsugari, Susumi Omatoi, Shinji Yokota | 1989-01-03 |
| 4551397 | Zinc silicate phosphor and electron excited fluorescent display device using the phosphor | Masachika Yaguchi, Takashi Hase | 1985-11-05 |