Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814442 | Image display apparatus and optical system | Atsushi Okuyama, Takashi Sudo | 2004-11-09 |
| 6552854 | Image display apparatus and optical system | Atsushi Okuyama, Takashi Sudo | 2003-04-22 |
| 6490095 | Image display apparatus | Atsushi Okuyama, Tatsuo Chigira, Takashi Sudo | 2002-12-03 |
| 6310728 | Image viewing apparatus | Atsushi Okuyama | 2001-10-30 |
| 6292301 | Optical viewing system for use in head-mounted display | Atsushi Okuyama | 2001-09-18 |
| 6188529 | Projecting apparatus for a high-resolution color liquid crystal projector | Osamu Koyama, Saburo Sugawara | 2001-02-13 |
| 6176585 | Projection apparatus | Osamu Koyama, Saburo Sugawara | 2001-01-23 |
| 6078682 | Image processing apparatus and method, and image reading apparatus | Hiroshi Tanioka, Shinobu Arimoto, Yoshinobu Sato, Kazuo Yoshinaga, Toshio Hayashi +5 more | 2000-06-20 |
| 6045228 | Optical modulation device and projector | Osamu Koyama | 2000-04-04 |
| 5999335 | Projecting apparatus | Osamu Koyama, Saburo Sugawara | 1999-12-07 |
| 5833341 | Illuminating optical system and projector utilizing the same | Kazumi Kimura, Hideaki Mitsutake, Kohtaro Yano, Shigeru Kawasaki | 1998-11-10 |
| 5749642 | Illuminating optical system and projector utilizing the same | Kazumi Kimura, Hideaki Mitsutake, Kohtaro Yano, Shigeru Kawasaki | 1998-05-12 |
| 5737113 | Optical modulators and color image display device employing the same | Michitaka Setani, Takehiko Nakai, Saburo Sugawara | 1998-04-07 |