Patents/Inventors

Fukutaro Okuyama

HamamatsuJP3 patents

4 Patents

US122055692025
Instrument Playing Apparatus
YAMAHA CORPORATION
0 cites
US120271442024
Keyboard Device and Sound Generation Control Method
YAMAHA CORPORATION
0 cites
US119229122024
Instrument Playing Apparatus
YAMAHA CORPORATION
0 cites
US116577862023
Keyboard Device and Sound Generation Control Method
YAMAHA CORPORATION
0 cites