Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652399 | Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano | Yuji Fujiwara, Yasuhiko Oba, Shigeru Muramatsu, Yoshimasa Isozaki, Jun Ishii | 1997-07-29 |
| 5627333 | Keyboard musical instrument equipped with built-in distance measuring instrument for hammer sensors | Wayne L. Stahnke, Yuji Fujiwara, Rei Furukawa, Takashi Tamaki | 1997-05-06 |