Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5541751 | Light scan type display device having light waveguides and photo conductive switching elements | Yukihiro Sumida, Yoshihiro Izumi | 1996-07-30 |
| 5536933 | Light information device and method for producing the same | Yoshihiro Izumi, Akitsugu Hatano, Yoshitaka Yamamoto | 1996-07-16 |
| 5535027 | Liquid crystal display device with a photoconductor at each intersection of a linear luminous source and a linear electrode | Naofumi Kimura, Yutaka Ishii, Masaru Yoshida, Masataka Matsuura, Akitsugu Hatano +3 more | 1996-07-09 |
| 5528399 | Optical address type display device with uniformly functioning optical switching elements each provided for each pixel | Yoshihiro Izumi | 1996-06-18 |
| 5515198 | Optical active matrix display | Yukihisa Kusuda, Yoshihiro Izumi | 1996-05-07 |
| 5452385 | Optical scanning device an optical scanning type display and an image data input/output device | Yoshihiro Izumi | 1995-09-19 |
| 5440411 | Optical scan type display device with optical fiber melted onto a substrate | Akitsugu Hatano, Yoshihiro Isumi | 1995-08-08 |
| 5329390 | Liquid crystal display element of optical writing type with light absorbing layer including inorganic pigment and leveling layer | Akitsugu Hatano | 1994-07-12 |
| 5305129 | Liquid crystal display device of optical writing type having a carbon dispersed light absorbing layer and a cholesteric reflector | Naofumi Kimura | 1994-04-19 |
| 5245453 | Liquid crystal modulator having a photoconductor and/or a dielectric mirror composed of hydrogenated amorphous silicon carbide | Akitsugu Hatano, Naofumi Kimura | 1993-09-14 |
| 5142391 | Liquid-crystal display device of optical writing type having a light absorbing layer composed of a carbon-dispersed system coating | Naofumi Kimura | 1992-08-25 |