SF

Sekinori Funakawa

Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #3,475,492 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D488078 Electronic metronome Kazuhito Nakajima, Hiroyoshi Naitoh 2004-04-06