Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770039 | Drop tuner | — | 2020-09-08 |
| 10475422 | Intonation tool for fine tuning bridge | — | 2019-11-12 |
| 7235730 | Bridge for stringed instrument and stringed instrument | — | 2007-06-26 |
| 7009096 | Tremolo unit and electric guitar having the same | — | 2006-03-07 |
| 6867354 | Tremolo unit for electric guitar | Tatsuru Shimooka | 2005-03-15 |
| 6710235 | Electric guitar with tremolo unit | — | 2004-03-23 |
| 6700043 | Electric guitar with tremolo unit | — | 2004-03-02 |
| 6686524 | Tremolo unit for string instrument | — | 2004-02-03 |
| 6593515 | Reinforcing structure for the neck portion of stringed instrument | Tatsuru Shimooka | 2003-07-15 |
| 6552252 | Tremolo for stringed musical instruments | — | 2003-04-22 |