Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311517 | Highly-efficient time-division data multiplexing apparatus | — | 1994-05-10 |
| 5073925 | Method and apparatus for the protection of signal copy | Atsushi Nagata, Yutaka Uekawa, Kenichi Takahashi | 1991-12-17 |
| 4979210 | Method and apparatus for protection of signal copy | Atsushi Nagata, Yutaka Uekawa, Kenichi Takahashi | 1990-12-18 |
| 4451919 | Digital signal processor for use in recording and/or reproducing equipment | Ryoichi Wada, Mitsuharu Tsuchiya, Kanji Odagi | 1984-05-29 |
| 4381525 | Synchronously operatable PCM recording processor | Nobuyasu Takeguchi, Kazuo Nomura | 1983-04-26 |
| 4281355 | Digital audio signal recorder | Ryoichi Wada, Mitsuharu Tsuchiya, Kanji Odagi | 1981-07-28 |
| 4274115 | Apparatus for detecting recording and reproducing state | Ryoichi Wada, Kanji Odagi | 1981-06-16 |