Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668785 | Multiple audio signal recording and reproducing apparatus | — | 1997-09-16 |
| 5621469 | Scan converting apparatus for transferring subtitles on a screen | Ryuji Matsuura | 1997-04-15 |
| 5594551 | Method and apparatus for selectively recording multiple television signals | — | 1997-01-14 |