Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752119 | Electrochromic display devices | Toshihiko Ueno | 1988-06-21 |
| 4644058 | Reactive pyridone azo dyes having both monochlorotriazinyl and vinylsulfone type reactive groups | Naoki Harada, Yasuo Tezuka | 1987-02-17 |
| 4632781 | Liquid crystal dye compound | Hirohito Kenmochi, Toshihiko Ueno, Chizuka Tani | 1986-12-30 |
| 4505549 | Liquid crystal display device | Hirohito Kenmochi, Toshihiko Ueno, Chizuka Tani | 1985-03-19 |