Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7446255 | Method of processing sounds from stringed instrument and pickup device for the same | — | 2008-11-04 |
| 7085391 | Pickup apparatus of piano | — | 2006-08-01 |
| 5928491 | Plant compatible electrolyte composition as well as electrolyte ionized water production device and methods | Xie YU, Michio Takeuchi, Tomomi Ota | 1999-07-27 |