Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429629 | Projector | — | 2025-09-30 |
| 12035078 | Light source device and projector | — | 2024-07-09 |
| 11592682 | Display apparatus | — | 2023-02-28 |
| 11317066 | Phase modulation element and display device | — | 2022-04-26 |
| 11048153 | Optical device and display device | — | 2021-06-29 |
| 11022800 | Display device | — | 2021-06-01 |
| 10884244 | Display apparatus | Masatoshi Yonekubo, Osamu Yokoyama | 2021-01-05 |
| 10146056 | Image display apparatus having a diffraction optical element | — | 2018-12-04 |
| 10025009 | Optical device and image display apparatus | Masatoshi Yonekubo, Osamu Yokoyama | 2018-07-17 |
| 9568730 | Optical device including diffraction elements for diffracting light inside of a light guide, image projecting apparatus, and electronic device | Masatoshi Yonekubo, Osamu Yokoyama | 2017-02-14 |
| 5221752 | .alpha.-keto amide derivatives | Tetsuya Someno, Hideo Sugimura, Yasuhiko Muraoka, Makoto Tsuda, Tomio Takeuchi +1 more | 1993-06-22 |