Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182678 | PCM signal reproducing/recording apparatus | Yuuji Hatanaka, Hiroo Okamoto, Takao Arai, Shin-ichi Wakumura, Ichiro Miyake | 1993-01-26 |
| 5084788 | PCM signal reproducing/recording apparatus | Yuuji Hatanaka, Hiroo Okamoto, Takao Arai, Shin-ichi Wakumura, Ichiro Miyake | 1992-01-28 |
| 4943964 | PCM signal reproducing device | Yuji Hatanaka, Hiroo Okamoto, Shin-ichi Wakumura, Ichiro Miyake | 1990-07-24 |
| 4864571 | Information recording/reproducing apparatus with prioritized read out | — | 1989-09-05 |