Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866348 | Drive system for a thin-film el panel | Shigeyuki Harada, Toshihiro Ohba, Hisashi Uede | 1989-09-12 |
| 4801920 | EL panel drive system | Toshihiro Ohba, Hiroshi Kinoshita, Hisashi Uede | 1989-01-31 |