30 Utility Patents
#106 in Hamamatsu
#19,778 in Japan
#92,354 in the World
Forward Citations = 274
Company Filing History:

Yamaha Music Foundation
where one patent can have more than one assignee
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#106 in Hamamatsu
#19,778 in Japan
#92,354 in the World
Company Filing History:

Get your Inventor Badge Today