Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322133 | Method of driving electrochromic display device and electrochromic display device therefor | Hisashi Uede, Kohzo Yano, Hiroshi Hamada, 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 | Hisashi Uede, Yasuhiko Inami, Hiroshi Hamada, Tadanori Hishida | 1982-01-19 |
| 4310220 | Electrochromic display with one porous separator | Hiroshi Kuwagaki, Hiroaki Kato, Sadatoshi Takechi, Yasuhiko Inami | 1982-01-12 |
| 4302751 | Driver circuit for electrochromic displays | Yasuhiko Inami, Hisashi Uede, Tomio Wada | 1981-11-24 |
| 4300138 | Electric memory detector in an ECD driver | Katubumi Koyanagi, Hiroaki Kato, Yutaka Takafuji, Yasuhiko Inami, Hisashi Uede | 1981-11-10 |
| 4295138 | Combined constant potential and constant voltage driving technique for electrochromic displays | Katubumi Koyanagi, Yasuhiko Inami, Hisashi Uede | 1981-10-13 |
| 4253741 | Electrochromic display device | Yasuhiko Inami, Kozo Yano | 1981-03-03 |
| 4217579 | Method of driving electrochromic display means and electrochromic display means therefor | Hiroshi Hamada, Yasuhiko Inami, Hisashi Uede | 1980-08-12 |
| 4205903 | Writing/erasing technique for an electrochromic display cell | Yasuhiko Inami, Sadatoshi Takechi, Hiroshi Hamada | 1980-06-03 |
| 4201985 | Constant current supply drive for electrochromic displays of the segmented type | Yasuhiko Inami, Tadanori Hishida, Kozo Yano, Hiroshi Hamada | 1980-05-06 |