MW

Masahiko Wakita

Yamaha: 1 patents #44 of 154Top 30%
Overall (2002): #156,564 of 266,432Top 60%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6346666 Apparatus and method for practice and evaluation of musical performance of chords Tom Jen Tsai 2002-02-12