Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7806566 | Light source unit and projection type video display apparatus using the same | Masahiko Yatsu | 2010-10-05 |
| 7410264 | Image display apparatus forming optical image by irradiating light from light source onto image display element | Masahiko Yatsu | 2008-08-12 |
| 7232227 | Image display device | Nobuo Masuoka, Masahiko Yatsu | 2007-06-19 |
| 7220005 | Projection type video display apparatus | Masahiko Yatsu | 2007-05-22 |
| 7207680 | Projection display | Hiroshi Oshima, Takuya SHIMIZU, Kazuo Shikita, Satoshi Nakayama | 2007-04-24 |
| 7152978 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2006-12-26 |
| 6987546 | Projection type image display apparatus | Satoshi Ouchi, Masahiko Yatsu, Koji Hirata, Tomohiro Miyoshi | 2006-01-17 |
| 6945651 | Optical unit and projection type projector apparatus using the same | Masahiko Yatsu, Koji Hirata | 2005-09-20 |
| 6905213 | Projection apparatus and projection-type image display apparatus | Koji Hirata, Masahiko Yatsu | 2005-06-14 |
| 6854851 | Projection display | Satoshi Nakayama, Takuya Shiaki, Tsutomu Nakashima, Eiji Yamaguchi, Nobuyuki Kimura | 2005-02-15 |
| 6832836 | Optical unit and projection type projector apparatus using the same | Masahiko Yatsu, Koji Hirata | 2004-12-21 |
| 6824273 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2004-11-30 |
| 6783242 | Projection apparatus and projection-type image display apparatus | Koji Hirata, Masahiko Yatsu | 2004-08-31 |
| 6783245 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2004-08-31 |
| RE38175 | Liquid crystal display element and micro-lens arrangement and a display using the same | Yoshio Ariki, Takashi Kakuda, Masaharu Deguchi, Takesuke Maruyama | 2003-07-08 |
| 6351295 | Projection type liquid crystal display device | Takashi Kakuda, Masaharu Deguchi, Takesuke Maruyama, Naohiro Konuma, Yutaka Matsuda | 2002-02-26 |
| 6307601 | Projection type liquid crystal display device | Takashi Kakuda, Masaharu Deguchi, Takesuke Maruyama, Naohiro Konuma, Yutaka Matsuda | 2001-10-23 |
| 6290360 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2001-09-18 |
| 5684548 | Liquid crystal display element and micro-lens arrangement and a display using the same | Yoshio Ariki, Takashi Kakuda, Masaharu Deguchi, Takesuke Maruyama | 1997-11-04 |
| 5491525 | Illumination unit for liquid crystal projection display apparatus and liquid crystal display apparatus having it used | Yoshio Ariki, Masaharu Deguchi, Takashi Kakuda, Takanori Hisada, Takesuke Maruyama | 1996-02-13 |
| 5455694 | Liquid crystal display with pixel shape same as image of light source through microlens | Yoshio Ariki, Takashi Kakuda, Masaharu Deguchi, Takesuke Maruyama | 1995-10-03 |