Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823121 | Electroluminescent panel driving system for driving the panel's electrodes only when non-blank data is present to conserve power | Shigeyuki Harada, Toshihiro Ohba | 1989-04-18 |