FO

Fukutaro Okuyama

Yamaha: 2 patents #11 of 125Top 9%
Overall (2024): #166,616 of 561,600Top 30%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12027144 Keyboard device and sound generation control method Ryutaro Niiho, Haruki Uehara 2024-07-02
11922912 Instrument playing apparatus Michiko TANOUE 2024-03-05