Issued Patents All Time
Showing 51–75 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9022581 | Projection display system with two reflecting mirrors | Koji Hirata, Takanori Hisada, Masayuki Ohki | 2015-05-05 |
| 8733953 | Display apparatus and projection type lighting apparatus therefor | Koji Hirata, Takanori Hisada, Hidehiro Ikeda | 2014-05-27 |
| 8690349 | Oblique projection optical system and projection type display apparatus using the same | Koji Hirata, Naoyuki Ogura | 2014-04-08 |
| 8690345 | Projection image display apparatus having a first lens and a second lens adjacent to the screen | Koji Hirata, Naoyuki Ogura, Hidehiro Ikeda | 2014-04-08 |
| 8616711 | Oblique projector having movable free form lenses | — | 2013-12-31 |
| 8585209 | Projection apparatus with linear fresnel lens and transparent screen therefor | Koji Hirata, Hidehiro Ikeda | 2013-11-19 |
| 8585216 | Video projector which obliquely projects images onto screen | Chohei Ono, Naoyuki Ogura, Koji Hirata, Masayuki Fukui, Megumi KURACHI | 2013-11-19 |
| 8573787 | Projection type display apparatus | Koji Hirata, Takanori Hisada | 2013-11-05 |
| 8441582 | Imaging displaying apparatus and 3-D image displaying apparatus applying the same therein | Koji Hirata, Hidehiro Ikeda | 2013-05-14 |
| 8425049 | Oblique projection optical system and projection type display apparatus using the same | Koji Hirata, Naoyuki Ogura | 2013-04-23 |
| 8408717 | Projection type image display apparatus | Koji Hirata, Takanori Hisada | 2013-04-02 |
| 8403504 | Projection type display apparatus | Koji Hirata, Takanori Hisada | 2013-03-26 |
| 8337021 | Optical projection type image display device | Nobuyuki Kimura, Koji Hirata | 2012-12-25 |
| 8313199 | Projection display system including lens group and reflecting mirror | Koji Hirata, Takanori Hisada, Masayuki Ohki | 2012-11-20 |
| 8182097 | Projection type image display apparatus | Koji Hirata, Takanori Hisada | 2012-05-22 |
| 8113663 | Projection image display apparatus and projection optical unit to be used therein | Takanori Hisada, Koji Hirata | 2012-02-14 |
| 8075142 | Projection-type image display apparatus | Koji Hirata | 2011-12-13 |
| D647931 | Lens for projector | Masayuki Fukui, Naoyuki Ogura, Koji Hirata, Masanori Tsumura | 2011-11-01 |
| 8020999 | Projection type image display apparatus | Koji Hirata, Takanori Hisada | 2011-09-20 |
| D645068 | Lens for projector | Masayuki Fukui, Naoyuki Ogura, Koji Hirata, Masanori Tsumura | 2011-09-13 |
| 8002417 | Projection-type image display apparatus | Takanori Hisada, Koji Hirata | 2011-08-23 |
| 8002418 | Projection type image display apparatus | Koji Hirata, Takanori Hisada | 2011-08-23 |
| 7982958 | Projection display | Koji Hirata | 2011-07-19 |
| D639076 | Mirror for projector | Masayuki Fukui, Naoyuki Ogura, Koji Hirata, Masanori Tsumura | 2011-06-07 |
| 7914153 | Projection type image display apparatus | Koji Hirata, Takanori Hisada | 2011-03-29 |