Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888246 | Dielectric thin film, and method for making the thin film | Jun Kuwata, Yosuke Fujita, Takao Tohda, Tomizo Matsuoka | 1989-12-19 |
| 4869973 | Thin film electroluminescence display device | Masahiro Nishikawa, Takao Tohda, Jun Kuwata, Yosuke Fujita, Tomizo Matsuoka | 1989-09-26 |
| 4847609 | Electroluminescence display panel configured for minimized power consumption | Jun Kuwata, Yosuke Fujita, Takao Tohda, Masahiro Nishikawa, Tomizo Matsuoka | 1989-07-11 |
| 4814668 | Electroluminescent display device | Takao Tohda, Tomizo Matsuoka, Yosuke Fujita, Tsuneharu Nitta | 1989-03-21 |