Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627333 | Keyboard musical instrument equipped with built-in distance measuring instrument for hammer sensors | Wayne L. Stahnke, Yuji Fujiwara, Taro Kawabata, Takashi Tamaki | 1997-05-06 |