Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811121 | Magnetic recording and reproducing system using preceding and lagging groups of rotary heads to permit coincident timing for reproduced video and audio signals | Masahiko Matsui | 1989-03-07 |
| 4809084 | Apparatus for processing video signal | Takeshi Morimoto | 1989-02-28 |