Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11709361 | Optical device and image display apparatus | — | 2023-07-25 |
| 11635625 | Virtual image display device and optical unit | — | 2023-04-25 |
| 11626290 | Method, device, and system for etching silicon oxide film | Kwangpyo Choi, Kazuki Hashimoto, Rio Shimizu, Takashi Kobayashi, Takashi Sakuma +1 more | 2023-04-11 |
| 11619818 | Light flux diameter expanding element and image display device | — | 2023-04-04 |
| 11598968 | Image display device having maximum emission angle of image light smaller than maximum viewing angle of virtual image | Masatoshi Yonekubo, Takashi Takeda, Mitsutaka Ide, Daisuke Ishida | 2023-03-07 |
| 11552274 | Display device having pixel electrode and color filter, and electronic apparatus | Takeshi Koshihara | 2023-01-10 |