HH

Hajime Hayashida

Yamaha: 1 patents #37 of 162Top 25%
Overall (1994): #129,136 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5353671 Upright piano with key action mechanism responsive to repetition without double strike and loss of sound Satoshi Inoue 1994-10-11