Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10418006 | Laminated plyboard for musical instrument, method for manufacturing the same, and musical instrument | Yukimasa Okumura, Hironao Nagashima | 2019-09-17 |
| 5902945 | Percussion instrument having tone bars for generating clear tones exactly tuned along scale | Minoru Nakano | 1999-05-11 |
| 5686679 | Percussion instrument with tone bars for exactly generating tones on a scale | Minoru Nakano | 1997-11-11 |
| 5235892 | Celesta promptly responsive to high speed keying-in | Norishige Terada, Masaaki Takahasi, Yasuyuki Semba | 1993-08-17 |
| 4856406 | Timpani | — | 1989-08-15 |