Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565943 | Surface fastener formed of fibers | Masashi Doi, Mitsutoshi Ishihara | 2003-05-20 |
| 5218154 | Electronic keyboard instrument with an unique tone channel assignor for percussion tones | — | 1993-06-08 |