Issued Patents All Time
Showing 1–25 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766897 | Matrix substrate and display which inputs signal-polarity inverting signals to picture data | Daisuke Yoshida, Osamu Koyama, Mamoru Miyawaki, Koichi Yamagishi | 2014-07-01 |
| 6994442 | Display apparatus | Toshihiro Sunaga | 2006-02-07 |
| 6991338 | Projection optical system, projection type image display apparatus, and image display system | Toshihiro Sunaga, Takayuki Ishii, Yoshiaki Kurioka, Sawako Chatani | 2006-01-31 |
| 6984044 | Projection optical system, projection type image display apparatus, and image display system | Yoshiaki Kurioka, Takayuki Ishii, Toshihiro Sunaga, Sawako Chatani | 2006-01-10 |
| 6951395 | Projection optical system, projection type image display apparatus, and image display system | Sawako Chatani, Takayuki Ishii, Toshihiro Sunaga, Yoshiaki Kurioka | 2005-10-04 |
| 6927829 | Matrix substrate, liquid crystal display device using it, and method for producing the matrix substrate | Koichi Yamagishi, Osamu Koyama, Toru Nakazawa | 2005-08-09 |
| 6923546 | Projection optical system and projection type display apparatus using the same | — | 2005-08-02 |
| 6894842 | Projection optical system, image display apparatus, and image display system | Toshihiro Sunaga | 2005-05-17 |
| 6883922 | Display apparatus | Toshihiro Sunaga | 2005-04-26 |
| 6809790 | Matrix substrate, liquid crystal display device using it, and method for producing the matrix substrate | Koichi Yamagishi, Osamu Koyama, Toru Nakazawa | 2004-10-26 |
| 6808271 | Projection type display apparatus | — | 2004-10-26 |
| 6712473 | Mirror array device and projection type display apparatus using the same | — | 2004-03-30 |
| 6650460 | Projection type display apparatus | — | 2003-11-18 |
| 6592227 | Projection type image-display apparatus | Akihiro Ouchi, Yukihiko Sakashita | 2003-07-15 |
| 6563562 | Liquid crystal panel with holding substrate having fixing protuberances | Takayuki Ishii, Osamu Koyama | 2003-05-13 |
| 6559821 | Matrix substrate and liquid crystal display as well as projector using the same | Takeshi Ichikawa, Osamu Koyama | 2003-05-06 |
| 6512566 | Matrix substrate, liquid crystal display device using it, and method for producing the matrix substrate | Koichi Yamagishi, Osamu Koyama, Toru Nakazawa | 2003-01-28 |
| 6476897 | Matrix substrate and liquid crystal display device and projection liquid crystal display device using the same | Takanori Watanabe, Osamu Koyama | 2002-11-05 |
| 6411349 | Semiconductor device, display apparatus using such devices and method of manufacturing such an apparatus as well as that of manufacturing such an apparatus | Toru Nakazawa, Osamu Koyama | 2002-06-25 |
| 6356332 | MATRIX SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME IN WHICH THE DISTANCE BETWEEN THE UPPER SURFACE OF THE PIXELS BEING LESS THAN THE DISTANCE BETWEEN THE LOWER SURFACE OF THE PIXELS IN CONTACT WITH THE SUBSTRATE | Takeshi Ichikawa, Osamu Koyama | 2002-03-12 |
| 6339459 | Liquid crystal display device | Takeshi Ichikawa, Osamu Koyama | 2002-01-15 |
| 6295107 | Liquid crystal display with shielding layer for passing parallel rays of light into micro-lens array | Takanori Watanabe, Osamu Koyama | 2001-09-25 |
| 6281867 | Display panel and projection type display apparatus | Osamu Koyama | 2001-08-28 |
| 6274516 | Process for manufacturing interlayer insulating film and display apparatus using this film and its manufacturing method | Seiji Kamei, Osamu Koyama | 2001-08-14 |
| 6266038 | Liquid crystal display apparatus | Daisuke Yoshida, Osamu Koyama | 2001-07-24 |