Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6078002 | Bassoon having oblique lower register tone holes | — | 2000-06-20 |
| 5892167 | Key mechanism of bassoon | — | 1999-04-06 |
| 5829088 | Swab for wiping condensate from inner wall of wind instrument | Tatsuya Ujihara | 1998-11-03 |
| 5044248 | German bassoon equipped with improved pianissimo key mechanism | — | 1991-09-03 |