Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420642 | Automatic player incorporated in keyboard musical instrument and plunger sensor for detecting motion of plunger | Shigeru Muramatsu | 2002-07-16 |
| 6403872 | Keyboard musical instrument faithfully reproducing original performance without complicated tuning and music data generating system incorporated therein | Shigeru Muramatsu, Yasuhiko Oba, Kiyoshi Kawamura | 2002-06-11 |