Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5430562 | Liquid crystal light valve including between light and light valve microlenses and two reflecting layers with a matrix of openings | Yoshimasa Fushimi | 1995-07-04 |
| 5390048 | Projection lens assembly and projection display apparatus | Yuichi Kimura, Sinya Sannohe, Yoshimasa Fushimi | 1995-02-14 |
| 5371559 | Light valve image projection apparatus | Sinya San-Nohe, Takaaki Tanaka | 1994-12-06 |
| 5357370 | Polarizer and light valve image projector having the polarizer | Shinya Sannohe | 1994-10-18 |
| 5327270 | Polarizing beam splitter apparatus and light valve image projection system | — | 1994-07-05 |
| 5164821 | Image projection system | Takaaki Tanaka | 1992-11-17 |
| 5144462 | Liquid crystal projection color display apparatus having microlens arrays with controllable refractive power | Akira Otsuka, Shin-ichiro Ishihara, Sadayoshi Hotta | 1992-09-01 |
| 5134491 | Projection type image display apparatus | Tsutomu Muraji | 1992-07-28 |
| 5126863 | Liquid crystal projection display apparatus having two microlens arrays | Akira Otsuka, Shin-ichiro Ishihara, Sadayoshi Hotta | 1992-06-30 |
| 5122870 | Three-LCD projector having specified scanning directions | Mamoru Takeda | 1992-06-16 |
| 5092664 | Liquid crystal image projection system | Takaaki Tanaka | 1992-03-03 |
| 5042929 | Projection lens and projection system | Takaaki Tanaka, Yuichi Kimura | 1991-08-27 |
| 4943154 | Projection display apparatus | Yoshihiro Masumoto | 1990-07-24 |
| 4936656 | Video projector | Ichiro Yamashita, Mamoru Takeda, Yoneharu Takubo | 1990-06-26 |
| 4935758 | Projection display apparatus | Yoshihiro Masumoto | 1990-06-19 |
| 4906071 | Liquid crystal display device and video projector incorporating same with particular driving circuit connection scheme | Hiroshi Takahara, Hitoshi Noda, Mamoru Takeda, Yasuhiro Horio | 1990-03-06 |
| 4753519 | Optical system for projection television apparatus | — | 1988-06-28 |
| 4704009 | Projection lens | Yoshiharu Yamamoto, Yasuo Nakajima, Yoshitomi Nagaoka, Syusuke Ono | 1987-11-03 |
| 4690515 | Compact projection lens | Yasuo Nakajima, Yoshiharu Yamamoto, Yoshitomi Nagaoka, Shusuke Ono | 1987-09-01 |
| 4673841 | Liquid-cooled projection tube apparatus | Yasuhiko Wagamitsu | 1987-06-16 |
| 4615589 | Projection lens system for projection television apparatus | Yoshiharu Yamamoto | 1986-10-07 |
| 4473840 | Optical focus adjustment means for projection television apparatus | — | 1984-09-25 |
| 4453178 | Projection television apparatus | Yoshitomi Nagaoka, Yasuo Nakajima | 1984-06-05 |
| 4400722 | Optical configuration for projection television apparatus | Yoshitomi Nagaoka, Yasuo Nakajima | 1983-08-23 |