Issued Patents All Time
Showing 1–25 of 122 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492065 | Hologram color filter, production method of the same hologram color filter and space light modulating apparatus using the same hologram color filter | Shigeo Shimizu, Hirofumi Imaoka | 2002-12-10 |
| 6398365 | Image projection display apparatus | Ryusaku Takahashi, Tsutou Asakura, Fujiko Koyama | 2002-06-04 |
| 6256120 | Spatial light modulation device and color display apparatus | Tetsuji Suzuki, Shigeo Shimizu | 2001-07-03 |
| 6147735 | Reflection-type liquid crystal displaying apparatus | Tetsuhiro Yamazaki, Masanobu Shigeta, Shinichi Hirose, Tsutou Asakura, Tetsuji Suzuki +1 more | 2000-11-14 |
| 6141124 | Color filter and color picture display device using the same | Tetsuji Suzuki, Ryusaku Takahashi, John Gunther, Ronald T. Smith | 2000-10-31 |
| 6104370 | Apparatus and method of driving active matrix liquid crystal display | Tsutou Asakura, Masato Furuya | 2000-08-15 |
| 6049410 | Structure of spatial light modulator and lighting system therefor | Tsutou Asakura, Fujiko Koyama, Tatsuru Kobayashi | 2000-04-11 |
| 5999282 | Color filter and color image display apparatus employing the filter | Tetsuji Suzuki | 1999-12-07 |
| 5894359 | Color filter and color display apparatus | Tetsuji Suzuki, Hirofumi Imaoka, Itsuo Takanashi | 1999-04-13 |
| 5565882 | Image processing system for display, recording and reproducing image | Itsuo Takanashi, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1996-10-15 |
| 5502490 | Display unit having a light-to-light conversion element | Itsuo Takanashi, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1996-03-26 |
| 5463468 | Display unit having a light-to-light conversion element | Itsuo Takanashi, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1995-10-31 |
| 5430705 | Method and apparatus for recording and reproducing main and sub information | Itsuo Takanashi, Tsutou Asakura, Masato Furuya, Yoshihisa Koyama, Yuji Uchiyama | 1995-07-04 |
| 5422663 | Image formation and erasure on and from scattering-mode light-modulation device | Itsuo Takanashi, Tsutou Asakura, Yoshihisa Koyama, Hiroyuki Bonde | 1995-06-06 |
| RE34947 | Light-to-light conversion element provided with wavelength selecting reflection layer and imaging device provided with the light-to-light conversion element | Itsuo Takanashi, Hirohoko Shionaga, Masato Furuya, Tsutou Asakura, Testuhi Suzuki | 1995-05-23 |
| 5408341 | Method and apparatus for recording optical information in a photoelectric transducer controlled by a sensed condition thereof | Itsuo Takanashi, Tsutou Asakura, Masato Furuya, Yoshihisa Koyama, Yuji Uchiyama | 1995-04-18 |
| 5381188 | Light to light modulator with reading light of specified wavelength | Toshio Konno, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1995-01-10 |
| 5379135 | Optical system for display apparatus | Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi, Hiroyuki Bonde +1 more | 1995-01-03 |
| 5367359 | Plate-making method and plate-making apparatus for printing | Itsuo Takanashi, Tsutou Asakura, Masato Furuya, Yoshihisa Koyama, Yuji Uchiyama | 1994-11-22 |
| 5357289 | Projector lens system having three lens groups for image projector | Toshio Konno, Ighiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi +1 more | 1994-10-18 |
| 5337078 | Apparatus and method for recording information carried by electro-magnetic radiation beam | Itsuo Takanashi, Tsutou Asakura, Masato Furuya, Yoshihisa Koyama, Yuji Uchiyama | 1994-08-09 |
| 5327229 | Display device | Toshio Konno, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi +2 more | 1994-07-05 |
| 5325137 | Overhead projector with a spatial light modulator | Toshio Konno, Ichiro Negishi, Tetsuji Suzuki, Fujiko Tatsumi, Ryusaku Takahashi | 1994-06-28 |
| 5319461 | Recording medium and recording apparatus wherein voltage is applied only to peripheral edges of the recording medium | Itsuo Takanashi, Tsutou Asakura, Masato Furuya, Yoshihisa Koyama, Yuji Uchiyama | 1994-06-07 |
| 5315318 | Image formation and erasure on and from scattering-mode light-modulation device | Itsuo Takanashi, Tsutou Asakura, Yoshihisa Koyama, Hiroyuki Bonde | 1994-05-24 |