HU

Hiroshi Umeji

Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #3,837,760 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5262586 Sound controller incorporated in acoustic musical instrument for controlling qualities of sound Yasuhiko Oba, Yoshinori Suzuki, Masahiro Wada, Satoshi Inoue 1993-11-16