Nagahara長笛多項設計專利及專利 Solo Piccolos

Nagahara Locking Crown
Nagahara Solo Piccolos B-foot (US Pat. #6,259,010)
The Extended-Lip Riser (US Pat. #5,844,156)
The Nagahara Thumb Key Assembly (US Pat. #5,708,226)
Nagahara Wearless Mechanism (US Pat. #6,653,539)