IS

Inoue Satoshi

Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #3,659,572 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5949013 Keyboard musical instrument equipped with hammer stopper implemented by parallelogram link mechanism 1999-09-07