Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084979 | Europium-activated alkaline-earth chloroapatite phosphor and light-emitting device thereof | Naotoshi Matsuda, Tatsunori Itoga, Masahiko Yamakawa, Hirofumi Takemura | 2021-08-10 |
| 11005010 | Phosphor and method of manufacturing same, and LED lamp | Yoshitaka Funayama, Yumi Kanno, Hirofumi Takemura, Tsutomu Ishii | 2021-05-11 |
| 10886434 | White LED lamp, backlight, light emitting device, display device and illumination device | Tsutomu Ishii, Hajime Takeuchi, Yasumasa Ooya, Katsutoshi Nakagawa, Yumi Kanno +2 more | 2021-01-05 |