Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843438 | Thin film transistor | Mitsuhiro Koden, Kohzo Yano | 1989-06-27 |
| 4834507 | Active liquid crystal color display device having branchless scan electrodes | Hiroaki Kato, Fumiaki Funada | 1989-05-30 |