RN

Ryutaro Niiho

Yamaha: 1 patents #30 of 125Top 25%
Overall (2024): #287,075 of 561,600Top 55%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12027144 Keyboard device and sound generation control method Fukutaro Okuyama, Haruki Uehara 2024-07-02