Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4535329 | Constant current/constant voltage drive for an electrochromic display cell | Katubumi Koyanagi, Hiroshi Take | 1985-08-13 |
| 4487480 | Multi-layer matrix type liquid crystal display panel | Keisaku Nonomura, Toshiaki Takamatsu, Tomio Wada | 1984-12-11 |
| 4486748 | Segmented type liquid crystal display and driving method thereof | Keisaku Nonomura, Masataka Matsuura, Kohhei Kishi, Hiroaki Kato | 1984-12-04 |
| 4485379 | Circuit and method for driving a thin-film EL panel | Hiroshi Kinoshita, Toshihiro Ohba, Masashi Kawaguchi, Yoshiharu Kanatani | 1984-11-27 |
| 4479120 | Method and apparatus for driving a thin-film EL panel | Toshihiro Ohba, Masashi Kawaguchi, Hiroshi Kinoshita, Yoshiharu Kanatani | 1984-10-23 |
| 4447757 | Structure of thin-film electroluminescent display panel sealed by glass substrates | Masashi Kawaguchi, Toshiaki Ishii, Kinichi Isaka | 1984-05-08 |
| 4426133 | Twisted nematic liquid crystal display panel | Fumiaki Funada, Shigehiro Minezaki, Syuichi Kozaki | 1984-01-17 |
| 4422730 | Liquid crystal display device and the manufacturing method thereof | Shuichi Kozaki, Fumiaki Funada, Shigehiro Minezaki | 1983-12-27 |
| 4412155 | Aging method for thin-film electroluminescent display element | Kinichi Isaka, Masashi Kawaguchi | 1983-10-25 |
| 4404578 | Structure of thin film transistors | Yutaka Takafuji, Keisaku Nonomura, Sadatoshi Takechi, Tomio Wada | 1983-09-13 |
| 4399015 | Method for fabricating an indium tin oxide film for a transparent electrode | Yoshihiro Endo, Yoshito Yamashita, Hiroshi Kishishita | 1983-08-16 |
| RE31280 | Electrochromic display device manufacture method | Kozo Yano, Yasuhiko Inami, Hiroshi Hamada | 1983-06-21 |
| 4386352 | Matrix type liquid crystal display | Heisaku Nonomura, Keiichiro Shimizu, Kohei Kishi | 1983-05-31 |
| 4385292 | Segmented type liquid crystal display and driving method thereof | Keisaku Nonomura, Masataka Matsuura, Kohhei Kishi, Hiroaki Kato | 1983-05-24 |
| 4375319 | Electrochromic display device | Tomio Wada, Sadatoshi Takechi, Kohzo Yano | 1983-03-01 |
| 4375317 | Multi-layered liquid crystal display panel | Fumiaki Funada, Keisaku Nonomura, Tomio Wada | 1983-03-01 |
| 4373784 | Electrode structure on a matrix type liquid crystal panel | Keisaku Nonomura, Toshiaki Takamatsu, Tomio Wada | 1983-02-15 |
| 4364040 | Electrochromic display driver with faculties of stabilizing coloration contrast and insuring uniform bleaching condition | Hiroshi Take, Katubumi Koyanagi | 1982-12-14 |
| 4359729 | Matrix type liquid crystal display with faculties of providing a visual display in at least two different modes | Keisaku Nonomura, Keiichiro Shimizu | 1982-11-16 |
| 4335936 | Matrix electrode structure in a multi-layer matrix type liquid crystal display | Keisaku Nonomura, Tomio Wada, Toshiaki Takamatsu | 1982-06-22 |
| 4322133 | Method of driving electrochromic display device and electrochromic display device therefor | Kohzo Yano, Hiroshi Hamada, Hiroshi Nakauchi, Yasuhiko Inami | 1982-03-30 |
| 4312000 | Driving technique for electrochromic displays of the segmented type including means for detecting a change in the display state of the segments thereof | Yasuhiko Inami, Hiroshi Hamada, Tadanori Hishida, Hiroshi Nakauchi | 1982-01-19 |
| 4309814 | Manufacture of a multi-layered liquid crystal display panel | Toshiaki Takamatsu, Shigehiro Minezaki, Masataka Matsuura | 1982-01-12 |
| 4308658 | Electrochromic display device manufacture method | Kohzo Yano, Sadatoshi Takechi, Yasuhiko Inami | 1982-01-05 |
| 4302751 | Driver circuit for electrochromic displays | Hiroshi Nakauchi, Yasuhiko Inami, Tomio Wada | 1981-11-24 |