Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9720236 | Optical element, electro-optical device, and mounted display apparatus | — | 2017-08-01 |
| 9651778 | Light flux diameter enlarging element and display device | — | 2017-05-16 |
| 9568730 | Optical device including diffraction elements for diffracting light inside of a light guide, image projecting apparatus, and electronic device | Fumika Yamada, Masatoshi Yonekubo | 2017-02-14 |
| 9541757 | Light flux diameter-expanding element and display apparatus | Masatoshi Yonekubo | 2017-01-10 |