Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673995 | Musical signal processing apparatus | Michiko Ogawa, Ryosuke Kobayashi, Toshihiko Date | 2004-01-06 |
| 6605768 | Music-signal compressing/decompressing apparatus | Toshihiko Date, Ryousuke Kobayashi, Michiko Ogawa | 2003-08-12 |
| 4736834 | Acceleration accumulating chain conveyor | Katsumi Kotegawa, Makoto Kanehira, Shinichi Hayashi, Tetsuya Murano | 1988-04-12 |