Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300138 | Electric memory detector in an ECD driver | Hiroshi Nakauchi, Katubumi Koyanagi, Hiroaki Kato, Yutaka Takafuji, Yasuhiko Inami | 1981-11-10 |
| 4295138 | Combined constant potential and constant voltage driving technique for electrochromic displays | Hiroshi Nakauchi, Katubumi Koyanagi, Yasuhiko Inami | 1981-10-13 |
| 4280754 | Electrochromic display device and method of manufacture | Kozo Yano, Yasuhiko Inami, Hiroshi Hamada | 1981-07-28 |
| 4281324 | Matrix type liquid crystal display | Keisaku Nonomura, Toshiaki Takamatsu, Tomio Wada | 1981-07-28 |
| 4264150 | Electrochromic display with lyophilic treatment separator | Kohzo Yano, Hiroaki Kato, Yasuhiko Inami | 1981-04-28 |
| 4247855 | Segmented bargraph display by an electrochromic display device | Hiroshi Take, Katubumi Koyanagi, Yasuhiko Inami | 1981-01-27 |
| 4231640 | Matrix type liquid crystal display panel | Fumiaki Funada, Keisaku Nonomura, Tomio Wada | 1980-11-04 |
| 4229080 | Additional electrode of electrochromic display and refreshing method for the same | Hiroshi Take, Katubumi Koyanagi | 1980-10-21 |
| 4217579 | Method of driving electrochromic display means and electrochromic display means therefor | Hiroshi Hamada, Hiroshi Nakauchi, Yasuhiko Inami | 1980-08-12 |
| 4210907 | Uniform coloration control in an electrochromic display of the segmented type | Hiroshi Hamada, Hiroshi Take, Yasuhiko Inami | 1980-07-01 |
| 4210909 | Complete bleaching of non-selected display electrodes in an electrochromic display drive | Hiroshi Hamada, Hiroshi Take, Yasuhiko Inami | 1980-07-01 |
| 4209770 | Driving technique for electrochromic displays of the segmented type driving uncommon segment electrodes only | Hiroshi Hamada, Hiroshi Take, Yasuhiko Inami, Sadatoshi Takechi | 1980-06-24 |
| 4201984 | Current controlled drive system for electrochromic displays of the segmented type | Yasuhiko Inami, Sadatoshi Takechi, Tadanori Hishida, Hiroshi Take | 1980-05-06 |