Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872066 | Drop-out correction apparatus | Masahiro Takei, Tadashi Takayama, Kazuhiko Ito | 1989-10-03 |
| 4849832 | Reproducing apparatus with erasing device and erasing function based on frequency multiplexed and/or DPSK coded signal | Tokihiko Ogura, Masahiro Takei, Yasutomo Suzuki | 1989-07-18 |