Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026143 | Active type liquid crystal matrix display having signal electrodes with expanded sections at group exposure boundaries | Hirohisa Tanaka, Kohhei Kishi | 1991-06-25 |
| 4918494 | Thin film transistor | Mitsuhiro Koden, Hirohisa Tanaka | 1990-04-17 |
| 4843438 | Thin film transistor | Mitsuhiro Koden, Hirohisa Tanaka | 1989-06-27 |
| 4746628 | Method for making a thin film transistor | Yutaka Takafuji, Kohhei Kishi | 1988-05-24 |
| 4436380 | Electrochromic display device | Hiroshi Hamada, Yasuhiko Inami, Tomio Wada | 1984-03-13 |
| 4420749 | Charge transfer type electrochromic display devices | Katubumi Koyanagi, Hiroshi Hamada, Hiroshi Take, Yasuhiko Inami | 1983-12-13 |
| 4399436 | Electrochromic display devices | Hiroshi Hamada, Katubumi Koyanagi, Hiroshi Take, Yasuhiko Inami | 1983-08-16 |
| 4379619 | Electro-chromic displays | Hiroshi Kuwagaki, Sadatoshi Takechi | 1983-04-12 |
| 4375319 | Electrochromic display device | Tomio Wada, Hisashi Uede, Sadatoshi Takechi | 1983-03-01 |
| 4322133 | Method of driving electrochromic display device and electrochromic display device therefor | Hisashi Uede, Hiroshi Hamada, Hiroshi Nakauchi, Yasuhiko Inami | 1982-03-30 |
| 4308658 | Electrochromic display device manufacture method | Sadatoshi Takechi, Yasuhiko Inami, Hisashi Uede | 1982-01-05 |
| 4264150 | Electrochromic display with lyophilic treatment separator | Hiroaki Kato, Yasuhiko Inami, Hisashi Uede | 1981-04-28 |
| 4257683 | Electrochromic display | Hiroshi Kuwagaki, Hiroshi Hamada, Sadatoshi Takechi | 1981-03-24 |
| 4235528 | Ceramics for electrochromic display | Hiroshi Kuwagaki, Hiroshi Hamada, Sadatoshi Takechi | 1980-11-25 |
| 4195917 | Four-layer display electrode in an electrochromic display | Hiroshi Kuwagaki, Tadanori Hishida, Yasuhiko Inami | 1980-04-01 |
| 4187004 | Negative type display in electrochromic display device | Tadanori Hishida, Yasuhiko Inami, Tomio Wada | 1980-02-05 |