Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565882 | Image processing system for display, recording and reproducing image | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1996-10-15 |
| 5502490 | Display unit having a light-to-light conversion element | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1996-03-26 |
| 5463468 | Display unit having a light-to-light conversion element | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1995-10-31 |
| 5381188 | Light to light modulator with reading light of specified wavelength | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1995-01-10 |
| 5379135 | Optical system for display apparatus | Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, 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, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1994-10-18 |
| 5327229 | Display device | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +2 more | 1994-07-05 |
| 5325137 | Overhead projector with a spatial light modulator | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi | 1994-06-28 |
| 5305146 | Tri-color separating and composing optical system | Shintaro Nakagaki, Tsutou Asakura, Ryusaku Takahashi, Tetsuji Suzuki | 1994-04-19 |
| 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, Tetsuji Suzuki, Ryusaku Takahashi | 1994-03-29 |
| 5294992 | Driving method for photoconductive-type SLM | Toshio Konno, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, 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, Tetsuji Suzuki, Ryusaku Takahashi, Hiroyuki Bonde +1 more | 1994-02-08 |
| 5264951 | Spatial light modulator system | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Ryusaku Takahashi, Tetsuji Suzuki +1 more | 1993-11-23 |
| 5250939 | Drive apparatus for optical element array | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +2 more | 1993-10-05 |
| 5239322 | Display apparatus | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1993-08-24 |
| 5227902 | Spatial light modulator with a photoconductor on each side of a light modulation layer | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1993-07-13 |
| 5191408 | Color imaging system with selectively openable optical shutter | Itsuo Takanashi, Shintaro Nakagaki, Tsutou Asakura, Masato Furuya, Yoshihisa Koyama +5 more | 1993-03-02 |
| 5164854 | Polarization converter for converting unpolarized light to linearly polarized light | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1992-11-17 |
| 5130826 | Optical system having photoconductive members and optical means for decomposing and composing the polarized lights for a color picture display | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1992-07-14 |
| 5122895 | Polarization converter for converting randomly polarized light to linearly polarized light | Itsuo Takanashi, Shintaro Nakagaki, Ichiro Negishi, Tetsuji Suzuki, Ryusaku Takahashi +1 more | 1992-06-16 |