Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10381532 | Wavelength conversion device and lighting apparatus | Masahito Yamana, Jun Hirai, Yoshiyuki Nakano | 2019-08-13 |
| 10352545 | Wavelength conversion device and lighting apparatus | Masahito Yamana, Yoshiyuki Nakano | 2019-07-16 |