Issued Patents All Time
Showing 101–105 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343455 | Digital signal overlapped or joined recording method and apparatus | Takao Arai, Yutaka Nagai, Izumi Kimura | 1994-08-30 |
| 5285289 | Recording and reproducing information apparatus for selectively recording a PCM audio signal or a digital signal in placed thereof | Yuji Hatanaka, Shinichi Obata | 1994-02-08 |
| 5260840 | PCM signal recording system | Yuji Hatanaka, Takao Arai | 1993-11-09 |
| 5247396 | PCM signal recording method and apparatus for recording four-channel data to be compatible with two-channel data | Yutaka Nagai | 1993-09-21 |
| 4961204 | PCM signal generating/reproducing apparatus | Hiromichi Tanaka, Takao Arai, Seiichi Saito | 1990-10-02 |