Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888246 | Dielectric thin film, and method for making the thin film | Yosuke Fujita, Takao Tohda, Atsushi Abe, Tomizo Matsuoka | 1989-12-19 |
| 4869973 | Thin film electroluminescence display device | Masahiro Nishikawa, Takao Tohda, Yosuke Fujita, Tomizo Matsuoka, Atsushi Abe | 1989-09-26 |
| 4847609 | Electroluminescence display panel configured for minimized power consumption | Yosuke Fujita, Takao Tohda, Masahiro Nishikawa, Tomizo Matsuoka, Atsushi Abe | 1989-07-11 |