Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10658555 | Optical semiconductor apparatus | Shinichi Ogawa, Satoshi Yajima | 2020-05-19 |
| 10613335 | Light guide plate made of lead-free glass having a high refractive index and image display device using a light guide plate | — | 2020-04-07 |