Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7804014 | Tone plate for keyboard-type tone plate percussion instrument, tone plate-fabricating method, tone generator unit of tone plate percussion instrument, and keyboard-type percussion instrument | — | 2010-09-28 |
| 7750221 | Keyboard-type tone plate percussion instrument and resonance tube and resonance box for tone plate percussion instrument | — | 2010-07-06 |
| 7642437 | Musical instrument | — | 2010-01-05 |
| 7633001 | Keyboard-type tone plate percussion instrument | — | 2009-12-15 |
| 7560629 | Keyboard-type percussion instrument | Tetsuo Hotta | 2009-07-14 |
| 7541530 | Tone plate for keyboard-type tone plate percussion instrument, tone plate fabricating method, tone generator unit of tone plate percussion instrument, and keyboard-type percussion instrument | — | 2009-06-02 |
| 7528311 | Keyboard-type percussion instrument | Tetsuo Hotta | 2009-05-05 |
| 7528310 | Percussion instrument and keyboard-type percussion instrument | Tetsuo Hotta | 2009-05-05 |
| 5313867 | Glockenspiel equipped with hammer heads different in hardness for changing tone color | Shinsuke Irisa | 1994-05-24 |
| 5235892 | Celesta promptly responsive to high speed keying-in | Masaaki Takahasi, Hiroaki Ohmuro, Yasuyuki Semba | 1993-08-17 |