Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872066 | Drop-out correction apparatus | Shigeo Yamagata, Masahiro Takei, Kazuhiko Ito | 1989-10-03 |
| 4802003 | Color picture information transmission system | Masahiro Takei | 1989-01-31 |