Patents/Inventors

Tsunenori Sano

HamamatsuJP4 patents

4 Patents

US124772832025
Speaker Unit
Yamaha Corporation
0 cites
US124257752025
Magnetic Circuit for Acoustic Transducer, and Speaker Unit
YAMAHA CORPORATION
0 cites
US119797242024
Speaker Diaphragm and Headphone
Yamaha Corporation
0 cites
US117165702023
Speaker Diaphragm and Method of Producing Speaker Diaphragm
Yamaha Corporation
0 cites