Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5974387 | Audio recompression from higher rates for karaoke, video games, and other applications | Shinji Koezuka, Youji Semba | 1999-10-26 |
| 5957696 | Karaoke apparatus alternately driving plural sound sources for noninterruptive play | — | 1999-09-28 |
| 5955693 | Karaoke apparatus modifying live singing voice by model voice | — | 1999-09-21 |
| 5857171 | Karaoke apparatus using frequency of actual singing voice to synthesize harmony voice from stored voice information | Hiroshi Mino | 1999-01-05 |
| 5712437 | Audio signal processor selectively deriving harmony part from polyphonic parts | — | 1998-01-27 |
| 5559962 | Data transmission system selecting both source and destination using addressing mechanism | Yashikoi Okamura, Takashi Suzuki, Junichi Fujimori, Takeshi Funada | 1996-09-24 |
| 5412152 | Device for forming tone source data using analyzed parameters | Shigeki Fujii, Yasushi Ohtani | 1995-05-02 |