Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079984 | MIDI signal processor | Kazuo Hikawa | 1992-01-14 |
| 5056402 | MIDI signal processor | Kazuo Hikawa | 1991-10-15 |
| 4236435 | Keying system in an electronic musical instrument | Minoru Kakita | 1980-12-02 |