Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10961451 | Fluorescent material and light emitting device using same and method for manufacturing fluorescent material | Shoji Hosokawa | 2021-03-30 |
| 10894917 | Method of producing beta-sialon fluorescent material | Kenichi Aoyagi, Motoharu Morikawa, Shoji Hosokawa | 2021-01-19 |