Masafumi Yamaguchi

KS Kawai Gakki Seisakusho: 2 patents #5 of 28Top 20%

📍 Osaka, WA: #1 of 2 inventorsTop 50%

Overall (1994): #25,119 of 165,921Top 20%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5286912	Electronic musical instrument with playback of background tones and generation of key-on phrase tones	—	1994-02-15
5278346	Electronic music instrument for shifting tone pitches of input voice according to programmed melody note data	—	1994-01-11