Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866520 | Video system for displaying lower resolution video signals on higher resolution video monitors | Tetsuo Machida, Kazunari Yamada, Toshio Takekoshi | 1989-09-12 |
| 4808989 | Display control apparatus | Kuniaki Tabata, Tetsuo Machida, Masatoshi Hino | 1989-02-28 |