Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5848422 | Data management device in a karaoke communications system | Kazuhiro Miyamoto, Mitsuyoshi Amano, Yoshiyuki Akiba, Makoto Takanashi, Sampei Asai | 1998-12-08 |
| 5679912 | Music production and control apparatus with pitch/tempo control | Sanpei Asai, Yoshiyuki Akiba, Makoto Takanashi | 1997-10-21 |
| 5589947 | Karaoke system having a plurality of terminal and a center system | Naoto Inaba | 1996-12-31 |
| 5587547 | Musical sound producing device with pitch change circuit for changing only pitch variable data of pitch variable/invariable data | Toshiki Nakai, Mitsuyoshi Amano, Kazuhiro Miyamoto, Yoshiyuki Akiba | 1996-12-24 |
| 5574243 | Melody controlling apparatus for music accompaniment playing system the music accompaniment playing system and melody controlling method for controlling and changing the tonality of the melody using the MIDI standard | Toshiki Nakai, Mitsuyoshi Amano, Kazuhiro Miyamoto, Yoshiyuki Akiba | 1996-11-12 |
| 5506370 | Display controlling apparatus for music accompaniment playing system, and the music accompaniment playing system | Toshiki Nakai, Mitsuyoshi Amano, Kazuhiro Miyamoto, Yoshiyuki Akiba | 1996-04-09 |
| 5494443 | Karaoke system and method of managing playing time of karaoke songs | Toshiki Nakai, Mitsuyoshi Amano, Kazuhiro Miyamoto, Yoshiyuki Akiba | 1996-02-27 |
| 5484291 | Apparatus and method of playing karaoke accompaniment | Toshiki Nakai, Mitsuyoshi Amano, Kazuhiro Miyamoto, Yoshiyuki Akiba | 1996-01-16 |
| 5286907 | Apparatus for reproducing musical accompaniment information | Mashiro Okamura, Naoto Inaba, Yoshiyuki Akiba, Toshiki Nakai | 1994-02-15 |
| 5247126 | Image reproducing apparatus, image information recording medium, and musical accompaniment playing apparatus | Masahiro Okamura, Naoto Inaba, Yoshiyuki Akiba, Toshiki Nakai | 1993-09-21 |
| 5235124 | Musical accompaniment playing apparatus having phoneme memory for chorus voices | Masahiro Okamura, Naoto Inaba, Yoshiyuki Akiba, Toshiki Nakai | 1993-08-10 |
| 5221472 | Vacuum filtration apparatus with horizontal filter-like conveyor | Michio Ikeda, Kazuo Kamezaki, Yoshihiko Nakazawa, Shuji Iwasaki, Minoru Morita | 1993-06-22 |
| 5218580 | User management system for musical accompaniment playing apparatus | Masahiro Okamura, Naoto Inaba, Yoshiyuki Akiba, Toshiki Nakai | 1993-06-08 |
| 5194682 | Musical accompaniment playing apparatus | Mashiro Okamura, Naoto Inaba, Yoshiyuki Akiba, Toshiki Nakai | 1993-03-16 |
| 4979048 | Apparatus for and method of stop control for a spindle motor in a disk player | Naoki Shimada, Hidehiro Ishii, Masayori Shinohara | 1990-12-18 |