Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10298918 | Image projection apparatus | Koji Kita, Jyunpei Nakajima | 2019-05-21 |
| 9743053 | Light source apparatus and image display apparatus | Koji Kita | 2017-08-22 |
| 8330879 | Projection display apparatus | Junichi Iwai, Hideki Yamamoto | 2012-12-11 |
| 7936403 | Liquid crystal display apparatus having both organic and inorganic polarizers | Ryoko Horikoshi | 2011-05-03 |
| 7377655 | Projection type display apparatus | Tetsuo Hattori | 2008-05-27 |
| 7271961 | Cross dichroic prism and projection display apparatus equipped with cross dichroic prism | Kiyoshi Numazaki, Hisao Oozeki, Tetsuo Hattori | 2007-09-18 |
| 7070282 | Projection type display apparatus | Tetsuo Hattori, Atsushi Sekine | 2006-07-04 |
| 6565211 | Projection type display device | Atsushi Sekine, Tetsuo Hattori | 2003-05-20 |
| 6507326 | Color-projection apparatus operable to project a high-contrast image with minimal change in the state or phase of polarization of light flux | Tetsuo Hattori | 2003-01-14 |
| 6404552 | Projection type display device | — | 2002-06-11 |
| 6386710 | Projection display apparatus | Masaaki Kusano, Atsushi Sekine | 2002-05-14 |
| 6227670 | Projection type display apparatus | Kiyoshi Numazaki, Tetsuo Hattori | 2001-05-08 |
| 6190014 | Projection display apparatus | Masaaki Kusano, Atsushi Sekine | 2001-02-20 |
| 6141151 | Projection-display apparatus | Hideaki Shimonura, Tetsuo Hattori, Masaaki Kusano, Atsushi Sekine | 2000-10-31 |
| 5959778 | Projection-display apparatus | Hideaki Shimonura, Tetsuo Hattori, Masaaki Kusano, Atsushi Sekine | 1999-09-28 |
| 5839808 | Projection optical system | Motoo Koyama, Ikuo Mori | 1998-11-24 |
| 5784209 | Multi-axis optical lens | — | 1998-07-21 |
| 5633755 | Projection apparatus and method | Kazuya Okamoto, Yutaka Iwasaki, Yukiharu Okubo | 1997-05-27 |
| 5555041 | Projection apparatus | — | 1996-09-10 |
| 5473393 | Illuminating system, projection apparatus and detecting apparatus | — | 1995-12-05 |
| 5467225 | Objective lens for an optical disk drive | — | 1995-11-14 |