Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182678 | PCM signal reproducing/recording apparatus | Hiroo Okamoto, Takao Arai, Shin-ichi Wakumura, Ichiro Miyake, Shunichiro Sakamoto | 1993-01-26 |
| 5084788 | PCM signal reproducing/recording apparatus | Hiroo Okamoto, Takao Arai, Shin-ichi Wakumura, Ichiro Miyake, Shunichiro Sakamoto | 1992-01-28 |
| 4897653 | Data outputting circuit | Shin-ichi Wakumura, Ichiro Miyake, Hiroo Okamoto | 1990-01-30 |