RK

Ryohei Kawada

Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
Overall (All Time): #2,769,697 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10529304 Lid opening and closing apparatus and keyboard instrument Naoto IMAMURA 2020-01-07