Issued Patents All Time
Showing 1–25 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12222481 | Zoom lens, projection type display device, and imaging apparatus | — | 2025-02-11 |
| 12222636 | Projection lens and projection device | Hironobu Kayano | 2025-02-11 |
| 12216391 | Projector with rotatable projection lens | Yukiko Nagatoshi, Hironobu Kayano, Kenji Ito | 2025-02-04 |
| 12204165 | Projection lens and projection device having a space interposed between a frame and a first lens | Hironobu Kayano | 2025-01-21 |
| 12181788 | Projection lens with a first optical system to form an intermediate image of an optical image and projection device | Hironobu Kayano | 2024-12-31 |
| 11994791 | Projection device | Tetsuo Kamigaki, Hironobu Kayano | 2024-05-28 |
| 11979669 | Cleaning device, imaging unit including the same, and cleaning method | Noritaka Kishi, Hitoshi Sakaguchi, Masaaki Takata, Takaaki Mori | 2024-05-07 |
| 11899346 | Projector with rotatable projection lens | Yukiko Nagatoshi, Hironobu Kayano, Kenji Ito | 2024-02-13 |
| 11835697 | Zoom lens, projection display device, and imaging apparatus for forming an intermediate image | Akiko Nagahara, Yukiko Nagatoshi, Kazuki Inoue | 2023-12-05 |
| 11506958 | Projector | Yukiko Nagatoshi, Hironobu Kayano, Kenji Ito | 2022-11-22 |
| 11320635 | Imaging optical system, projection type display device, and imaging apparatus | Yukiko Nagatoshi, Akiko Nagahara | 2022-05-03 |
| 11280986 | Zoom lens, projection display device, and imaging apparatus for forming an intermediate image | Akiko Nagahara, Yukiko Nagatoshi, Kazuki Inoue | 2022-03-22 |
| 11194235 | Projector | Yukiko Nagatoshi, Hironobu Kayano, Kenji Ito | 2021-12-07 |
| 11125987 | Imaging optical system, projection display device, and imaging apparatus | Yukiko Nagatoshi | 2021-09-21 |
| 11119393 | Projector | Yukiko Nagatoshi, Hironobu Kayano, Kenji Ito | 2021-09-14 |
| 11067776 | Imaging optical system, projection display device, and imaging apparatus | Yukiko Nagatoshi | 2021-07-20 |
| 11061307 | Projection optical system and projector | Yukiko Nagatoshi, Hironobu Kayano, Kenji Ito | 2021-07-13 |
| 10996448 | Imaging optical system, projection display device, and imaging apparatus having a catoptric system and a dioptric system | — | 2021-05-04 |
| 10948699 | Imaging optical system, projection type display device, and imaging apparatus | Yukiko Nagatoshi, Akiko Nagahara | 2021-03-16 |
| 10890742 | Projection optical system and projection type display device | — | 2021-01-12 |
| 10890691 | Imaging optical system, projection display device, and imaging apparatus | — | 2021-01-12 |
| 10890741 | Projection optical system and projection type display device | — | 2021-01-12 |
| 10816759 | Imaging lens and optical apparatus | Masao Mori, Taro Asami, Kazuyoshi Okada | 2020-10-27 |
| 10816777 | Imaging optical system, projection-type display apparatus, and imaging apparatus | — | 2020-10-27 |
| 10809506 | Imaging optical system, projection display device, and imaging apparatus | — | 2020-10-20 |