TY

Tsutomu Yamaguchi

KS Kawai Gakki Seisakusho: 1 patents #3 of 6Top 50%
Overall (1989): #47,292 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856407 Action mechanism for a keyboard of an electronic piano Masanori Katsuta 1989-08-15