Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235465 | Projection system and projector | Hitoshi Hirano, Koji SHIOKAWA | 2025-02-25 |
| 12007678 | Projection system and projector with first optical system and second optical system | Yasuyuki Kiyama, Hitoshi Hirano, Koji SHIOKAWA | 2024-06-11 |
| 11550132 | Projection optical system and projector | — | 2023-01-10 |
| 11061308 | Projection optical system and projector | — | 2021-07-13 |
| 10824059 | Projection system and projection-type image display apparatus | — | 2020-11-03 |
| 10802389 | Projection system and projection-type image display apparatus | — | 2020-10-13 |
| 10539766 | Projection optical system and projection image display device | Koji SHIOKAWA | 2020-01-21 |
| 10534252 | Projection optical system and projector | — | 2020-01-14 |
| 10466452 | Projection optical system and projector | — | 2019-11-05 |
| 10203487 | Imaging lens system, imaging apparatus and projector | — | 2019-02-12 |
| 10156708 | Projection zoom lens and projection type image display device | — | 2018-12-18 |
| 9885943 | Projection lens and projector | Naoto Takehana | 2018-02-06 |
| 9810976 | Projection optical system | — | 2017-11-07 |
| 9798125 | Projection optical system and projector | — | 2017-10-24 |
| 9671598 | Projection optical system | — | 2017-06-06 |
| 9645483 | Projection optical system | — | 2017-05-09 |
| 9645362 | Projection optical system | — | 2017-05-09 |
| 9110277 | Projection zoom lens | — | 2015-08-18 |
| 8794772 | Proximity projector having a dust-proof cover with an anti-reflection film | Eiji Morikuni | 2014-08-05 |
| 8434878 | Proximity projector with a transmissive cover with modified reflectance properties | Eiji Morikuni | 2013-05-07 |
| 8164838 | Projection optical system and projection type image display device | — | 2012-04-24 |
| 8157386 | Projector | Satoru Nagarekawa, Eiji Morikuni, Masayuki Okoshi | 2012-04-17 |
| 8113664 | Projector | Satoru Nagarekawa, Eiji Morikuni, Masayuki Okoshi | 2012-02-14 |
| 8014075 | Projection type image display device | — | 2011-09-06 |
| 7957078 | Projection optical system and projection type image display device | — | 2011-06-07 |