Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703953 | Monaural signal judgement circuit | — | 1997-12-30 |
| 5452281 | Compact disk playback/recording system with means to discriminate if a tape end is reached during or between sound programs | — | 1995-09-19 |
| 5406402 | Faulty operation prevention circuit for infrared-ray remote controller | Masami Ota | 1995-04-11 |