Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739431 | Thin-film magnetic head | Syuhei Yasuda, Hideyoshi Yamaoka | 1988-04-19 |
| 4535329 | Constant current/constant voltage drive for an electrochromic display cell | Hiroshi Take, Hisashi Uede | 1985-08-13 |
| 4430182 | Manufacture of display electrode layers in electrochromic display devices | Tadanori Hishida, Hiroshi Kuwagaki, Yasuhiko Inami | 1984-02-07 |
| 4420749 | Charge transfer type electrochromic display devices | Hiroshi Hamada, Kohzo Yano, Hiroshi Take, Yasuhiko Inami | 1983-12-13 |
| 4399436 | Electrochromic display devices | Hiroshi Hamada, Kohzo Yano, Hiroshi Take, Yasuhiko Inami | 1983-08-16 |
| 4364040 | Electrochromic display driver with faculties of stabilizing coloration contrast and insuring uniform bleaching condition | Hiroshi Take, Hisashi Uede | 1982-12-14 |
| 4300138 | Electric memory detector in an ECD driver | Hiroshi Nakauchi, Hiroaki Kato, Yutaka Takafuji, Yasuhiko Inami, Hisashi Uede | 1981-11-10 |
| 4295138 | Combined constant potential and constant voltage driving technique for electrochromic displays | Hiroshi Nakauchi, Yasuhiko Inami, Hisashi Uede | 1981-10-13 |
| 4247855 | Segmented bargraph display by an electrochromic display device | Hisashi Uede, Hiroshi Take, Yasuhiko Inami | 1981-01-27 |
| 4229080 | Additional electrode of electrochromic display and refreshing method for the same | Hiroshi Take, Hisashi Uede | 1980-10-21 |