Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873583 | Magnetic tape recording/reproducing apparatus | Kazuhiro Yamanishi, Akihiro Takeuchi, Yoshitomi Nagaoka | 1989-10-10 |
| 4864421 | System for connecting a video signal recording/reproducing apparatus and a television receiver | Yoshihiro Morioka, Akihiro Takeuchi, Yoshitomi Nagaoka, Noriaki Gentsu, Sakon Nagasaki | 1989-09-05 |
| 4864424 | Video signal recording/reproducing apparatus | Atsuo Ochi, Akihiro Takeuchi, Kazuhiro Yamanishi | 1989-09-05 |
| 4812783 | Phase locked loop circuit with quickly recoverable stability | Masahiro Honjo, Akihiro Takeuchi, Atsuo Ochi, Shinichi Aki, Yukio Nakagawa | 1989-03-14 |
| 4811119 | Apparatus for high-density minimal crosstalk recording and reproducing of terminance and chrominance signals using a magnetic tape | Akihiro Takeuchi, Kazuhiro Yamanishi, Sukeichi Miki, Yoshitomi Nagaoka | 1989-03-07 |
| 4811117 | Video tape recorder for recording and reproducing two-channel component signals of a video signal on a magnetic tape using two pair of heads and alternately delayed signals | Yoshihiro Morioka, Yoshitomi Nagaoka | 1989-03-07 |
| 4807050 | Video signal recording/reproducing apparatus | Akihiro Takeuchi, Kazuhiro Yamanishi, Atsuo Ochi | 1989-02-21 |