Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7269843 | Broadcasting system and media player | Takehisa Yamaguchi, Hideki Nagata, Akira Kawabata, Masato Fujii, Yasuaki Serita +3 more | 2007-09-11 |
| 7066609 | Projection-type display apparatus | Jun Ishihara, Takashi Ohta | 2006-06-27 |
| 6809780 | Projector with fan controller | Iwao P. Adachi, Satoshi Onishi, Kazuhiko Inoue, Hideki Nagata | 2004-10-26 |
| 6624862 | Display optical apparatus having a rotary compensator to improve display contrast | Kohtaro Hayashi, Kenji Konno, Nobuyuki Kobayashi, Kenji Nishiguchi, Hideki Nagata | 2003-09-23 |
| 6561655 | Projector | Satoshi Onishi, Kazuhiko Inoue, Iwao P. Adachi, Hideki Nagata | 2003-05-13 |
| 6478431 | Illumination system and projector | Shigeru Sawamura, Hideki Nagata | 2002-11-12 |
| 6467911 | Projector and lamp unit | Masayuki Ueyama, Hideki Nagata, Akira Kawabata | 2002-10-22 |
| 6429975 | Illumination optical system and projector using same | Hisashi Tokumaru, Nobuo Mushiake | 2002-08-06 |
| 6412951 | Optical image projector | — | 2002-07-02 |
| 6347014 | Illumination optical system and projection-type image display apparatus | Kohtaro Hayashi, Kenji Konno | 2002-02-12 |
| 6343862 | Projecting image display device | Kohtaro Hayashi, Soh Ohzawa, Yuichiro Ori, Jun Ishihara | 2002-02-05 |
| 6331879 | Liquid crystal projector with an illumination optical system | Takashi Ohta, Nobuo Mushiake, Hideki Nagata, Soh Ohzawa | 2001-12-18 |
| 6315415 | Image projector | Kohtaro Hayashi, Shunta Takimoto, Kenji Konno | 2001-11-13 |
| 6264331 | Image projector | Shunta Takimoto | 2001-07-24 |
| 6193376 | Display apparatus | Kohtaro Hayashi, Kenji Konno, Shunta Takimoto, Shigeru Sawamura | 2001-02-27 |
| 6190013 | Polarized beam splitter and an illumination optical system and a projector provided with a polarized beam splitter | Hakuzo Tani | 2001-02-20 |
| 6188524 | Optical system for use in an image projector | Kohtaro Hayashi, Shunta Takimoto, Kenji Konno | 2001-02-13 |
| 6183093 | Light source device and an illuminator and an image projector | — | 2001-02-06 |
| 6176583 | Polarization conversion dichroic mirror and a liquid crystal projector | — | 2001-01-23 |
| 6155685 | Projector | Nobuo Mushiake, Hakuzo Tani | 2000-12-05 |
| 6091550 | Optical system for use in an image projector | Kohtaro Hayashi, Shunta Takimoto, Kenji Konno | 2000-07-18 |
| 6089720 | Illuminating optical apparatus | — | 2000-07-18 |
| 6005655 | Projector capable of projecting polarized illumination light | Nobuo Mushiake | 1999-12-21 |
| 5967635 | Polarized beam splitter and an illumination optical system and a projector provided with a polarized beam splitter | Hakuzo Tani | 1999-10-19 |
| 5898527 | Decentered lens holding structure and its positioning method | Tamotsu Kume, Hideki Nagata, Akira Sato, Masayuki Ueyama | 1999-04-27 |