Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10775684 | Optical unit and projector therewith | Yasumasa Sawai, Masahiro Terada, Sadanobu Imamura | 2020-09-15 |
| 10663840 | Projection-type display device | — | 2020-05-26 |
| 10578845 | Illumination optical system and projector | Yasumasa Sawai | 2020-03-03 |