Issued Patents All Time
Showing 51–75 of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698896 | Color-separating and -recombining optical system and projection display using the same | Tsutou Asakura | 2004-03-02 |
| 6256120 | Spatial light modulation device and color display apparatus | Shintaro Nakagaki, Shigeo Shimizu | 2001-07-03 |
| 6174060 | Projection-type display apparatus having polarized beam splitters and an illuminating device | Hirofumi Imaoka, Satoru Moriya, Fujiko Koyama, Ryusaku Takahashi, Yasuo Ishizaka +1 more | 2001-01-16 |
| 6147735 | Reflection-type liquid crystal displaying apparatus | Tetsuhiro Yamazaki, Masanobu Shigeta, Shinichi Hirose, Tsutou Asakura, Tatsuru Kobayashi +1 more | 2000-11-14 |
| 6141124 | Color filter and color picture display device using the same | Ryusaku Takahashi, Shintaro Nakagaki, John Gunther, Ronald T. Smith | 2000-10-31 |
| 6067176 | Reflective projection-type displaying apparatus | Tatsuya Mukouyama | 2000-05-23 |
| 5999282 | Color filter and color image display apparatus employing the filter | Shintaro Nakagaki | 1999-12-07 |
| 5894359 | Color filter and color display apparatus | Hirofumi Imaoka, Itsuo Takanashi, Shintaro Nakagaki | 1999-04-13 |
| 5616029 | Dental treatment device for forming screw hole for embedment of implant material | — | 1997-04-01 |
| 5565882 | Image processing system for display, recording and reproducing image | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1996-10-15 |
| 5502490 | Display unit having a light-to-light conversion element | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1996-03-26 |
| 5486878 | Color image display apparatus with reflection mirrors simultaneously oscillated | Ichiro Negishi, Fujiko Koyama, Yuji Uchiyama, Hiroyuki Bonde, Toshio Konno +2 more | 1996-01-23 |
| 5463468 | Display unit having a light-to-light conversion element | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1995-10-31 |
| 5381188 | Light to light modulator with reading light of specified wavelength | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1995-01-10 |
| 5379135 | Optical system for display apparatus | Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi, Hiroyuki Bonde +1 more | 1995-01-03 |
| 5357289 | Projector lens system having three lens groups for image projector | Toshio Konno, Shintaro Nakagaki, Ighiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1994-10-18 |
| 5327229 | Display device | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi +2 more | 1994-07-05 |
| 5325137 | Overhead projector with a spatial light modulator | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi | 1994-06-28 |
| 5308724 | Photosensitive medium for recording charge latent image and recording method thereof | Itsuo Takanashi, Shintaro Nakagaki, Hirohiko Shinonaga, Tsutou Asakura, Masato Furuya | 1994-05-03 |
| 5305146 | Tri-color separating and composing optical system | Shintaro Nakagaki, Tsutou Asakura, Ryusaku Takahashi, Fujiko Tatsumi | 1994-04-19 |
| 5299153 | System and medium for recording/reproducing charge latent image | Itsuo Takanashi, Shintaro Nakagaki, Hirohiko Shinonaga, Tsutou Asakura, Masato Furuya +1 more | 1994-03-29 |
| 5299042 | Light-to-light conversion method, display unit using the same, and light-to-light conversion element incorporated therein | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi | 1994-03-29 |
| 5294992 | Driving method for photoconductive-type SLM | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1994-03-15 |
| 5285268 | Projection type display device having a mask for cutting off unnecessary light parts of displayed picture | Shintaro Nakagaki, Ichiro Negishi, Fujiko Tatsumi, Ryusaku Takahashi, Hiroyuki Bonde +1 more | 1994-02-08 |
| 5264951 | Spatial light modulator system | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Ryusaku Takahashi, Fujiko Tatsumi +1 more | 1993-11-23 |