Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859249 | Wavelength conversion device and lighting apparatus | Noboru Iizawa, Shintaro Hayashi, Yoshiyuki Nakano | 2020-12-08 |
| 10677437 | Wavelength conversion device and lighting apparatus | Noboru Iizawa, Shintaro Hayashi, Yoshiyuki Nakano | 2020-06-09 |