MO

Masatsugu Okazaki

Yamaha: 2 patents #22 of 158Top 15%
Overall (2021): #133,637 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10984760 Musical instrument and vibrator Banri Abe, Ichiro Osuga, Shinji SUMINO, Takuya Abe, Takashi KITAGAWA 2021-04-20
10891923 Vibrator and musical instrument Ichiro Osuga, Banri Abe, Shinji SUMINO, Takashi KITAGAWA, Takuya Abe 2021-01-12