Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610741 | Reflection type liquid crystal display device with bumps on the reflector | — | 1997-03-11 |
| 5579199 | Non-volatile memory device and a method for producing the same | Tadashi Kawamura, Yoshitaka Yamamoto, Yutaka Ishii | 1996-11-26 |
| 5576860 | Liquid crystal display device in which the heights of the reflection plate projections are less than half the thicknesses of the two aligning films together | Kozo Nakamura, Seiichi Mitsui | 1996-11-19 |
| 5535027 | Liquid crystal display device with a photoconductor at each intersection of a linear luminous source and a linear electrode | Yutaka Ishii, Masaru Yoshida, Masataka Matsuura, Akitsugu Hatano, Yozo Narutaki +3 more | 1996-07-09 |
| 5418635 | Liquid crystal device with a reflective substrate with bumps of photosensitive resin which have 2 or more heights and random configuration | Seiichi Mitsui, Hisakazu Nakamura, Yasunori Shimada, Koji Taniguchi, Hirohisa Tanaka | 1995-05-23 |
| 5408345 | Reflection type liquid crystal display device wherein the reflector has bumps | Seiichi Mitsui, Yasunori Shimada, Hisakawa Nakamura, Makoto Kanbe | 1995-04-18 |
| 5311205 | Color liquid-crystal display apparatus with rectilinear arrangement | Hiroshi Hamada, Toshiaki Takamatsu | 1994-05-10 |
| 5305129 | Liquid crystal display device of optical writing type having a carbon dispersed light absorbing layer and a cholesteric reflector | Sayuri Fujiwara | 1994-04-19 |
| 5245453 | Liquid crystal modulator having a photoconductor and/or a dielectric mirror composed of hydrogenated amorphous silicon carbide | Akitsugu Hatano, Sayuri Fujiwara | 1993-09-14 |
| 5233450 | Liquid crystal photoconductive layer including a back-to-back diode | Akitsugu Hatano | 1993-08-03 |
| 5220444 | Reflective-type liquid crystal display device with etched oxide layer between substrate and metal film and method for producing same | Seiichi Mitsui, Yutaka Ishii | 1993-06-15 |
| 5204765 | Liquid crystal display device having reflector of a substrate, a patterned resin, and a reflective film, and method of making same | Seiichi Mitsui, Yutaka Ishii | 1993-04-20 |
| 5148297 | Liquid crystal display device having an optical fiber substrate including fibers whose periphery is coated with a conductive material | Yutaka Ishii, Seiichi Mitsui, Mariko Ban | 1992-09-15 |
| 5144288 | Color liquid-crystal display apparatus using delta configuration of picture elements | Hiroshi Hamada, Toshiaki Takamatsu | 1992-09-01 |
| 5142391 | Liquid-crystal display device of optical writing type having a light absorbing layer composed of a carbon-dispersed system coating | Sayuri Fujiwara | 1992-08-25 |
| 5044732 | Liquid-crystal display device | Yutaka Ishii, Shuichi Kozaki | 1991-09-03 |
| 5006840 | Color liquid-crystal display apparatus with rectilinear arrangement | Hiroshi Hamada, Toshiaki Takamatsu | 1991-04-09 |
| 4952029 | Two celled liquid crystal display device with dependency of birefringence on wavelength larger in first cell | Mariko Hayashi, Yukiko Ichimura | 1990-08-28 |
| 4941737 | Liquid-crystal display device using twisted nematic liquid crystal molecules | — | 1990-07-17 |
| 4935757 | Liquid crystal display device | Akitsugu Hatano, Kenichi Nakagawa | 1990-06-19 |
| 4914553 | Lighting device | Hiroshi Hamada, Fumiaki Funada | 1990-04-03 |
| 4706173 | Lighting apparatus | Hiroshi Hamada, Kiyoshi Nakazawa, Hiroshi Take, Fumiaki Funada | 1987-11-10 |
| 4651148 | Liquid crystal display driving with switching transistors | Makoto Takeda, Kunihiko Yamamoto, Nobuaki Matsuhashi, Hiroshi Hamada, Hiroshi Take | 1987-03-17 |
| 4622162 | Liquid crystal composition | Kenichi Makagawa, Yutaka Ishii, Fumiaki Funada | 1986-11-11 |