Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5130861 | Method and apparatus for reproducing a digital video signal | — | 1992-07-14 |
| 4742519 | Apparatus for decoding error correcting code | Takao Abe, Kaichi Tatsuzawa, Hisanori Kominami, Tetsuo Ogawa, Hiroki Kotani | 1988-05-03 |
| 4716565 | Error concealing system for digital data | — | 1987-12-29 |
| 4680763 | Digital data recording and reproducing device | Takao Abe, Tetsuo Ogawa | 1987-07-14 |