Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657221 | Wavelength conversion member and light-emitting device | Toshihiro Tsumori, Takehisa Minowa, Kazuhiro Wataya | 2017-05-23 |
| 9611425 | Method for treating Mn-activated complex fluoride phosphor | Kazuhiro Wataya | 2017-04-04 |
| 9598636 | Phosphor surface treatment method | Masatoshi Ishii | 2017-03-21 |