Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8652356 | Blue phosphor, and light-emitting device using the same | Kojiro Okuyama, Seigo Shiraishi | 2014-02-18 |
| 8361347 | Blue phosphor, and light-emitting device using the same | Kojiro Okuyama, Seigo Shiraishi | 2013-01-29 |
| 8298362 | Manufacturing method for plasma display panel | Masahiro Sakai, Keisuke Okada | 2012-10-30 |
| 8183778 | Stoichiometric phosphor, and light emitting device and plasma display panel utilizing the phosphor | Kojiro Okuyama, Seigo Shiraishi | 2012-05-22 |
| 8169143 | Plasma display panel having electron emitting material | Osamu Inoue, Kojiro Okuyama, Seigo Shiraishi | 2012-05-01 |