Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7135630 | Durable percussion pad effective against noise, silent percussion instrument, silent percussion instrument set and electronic percussion system | Masahiko Maruhashi, Takashi Sando | 2006-11-14 |
| 4619178 | Stop angle controller for a vibrato mechanism on a vibraphone | — | 1986-10-28 |