Issued Patents 2023
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11829058 | Light source device and image projection apparatus including a rod integrator and light guide | Kasumi Nakamura, Tatsuya Takahashi, Makoto Hirakawa | 2023-11-28 |
| 11812201 | Light guide optical device, light source device, and image projection apparatus | Takashi Sasaki, Kasumi Nakamura, Kazuhiro Fujita, Makoto Hirakawa, Shigeaki Imai | 2023-11-07 |
| 11762272 | Light-source device and image projection apparatus | Kasumi Nakamura, Makoto Hirakawa, Kazuhiro Fujita | 2023-09-19 |
| 11720010 | Light source device and projection device | Kazuhiro Fujita, Makoto Hirakawa, Shigeaki Imai | 2023-08-08 |
| 11677914 | Light-source device and image forming apparatus including same | Kazuhiro Fujita, Kasumi Nakamura | 2023-06-13 |
| 11669004 | Light source optical system, light source device, light source unit, and image display apparatus | Makoto Hirakawa, Kasumi Nakamura | 2023-06-06 |
| 11640106 | Light source optical system, light source device, and image projection apparatus | Naoki Nakamura | 2023-05-02 |
| 11630288 | Image projection apparatus | Shigeaki Imai, Kazuhiro Fujita, Makoto Hirakawa | 2023-04-18 |