Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084979 | Europium-activated alkaline-earth chloroapatite phosphor and light-emitting device thereof | Tatsunori Itoga, Masahiko Yamakawa, Hirofumi Takemura, Yasuhiro Shirakawa | 2021-08-10 |
| 10957826 | White light source including LED and phosphors | Tatsunori Itoga, Ryoji Tsuda, Yoshitaka Funayama | 2021-03-23 |