HY

Hiroyuki Yasunaga

RO Roland: 1 patents #161 of 292Top 60%
Overall (All Time): #3,305,653 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7812242 Electronic musical instruments Toshio Yamabata, Taro Umemoto 2010-10-12