Satoru Umezawa-san

Yamaha: 1 patents #1,232 of 2,001Top 65%

📍 Nanbu, JP: #734 of 1,154 inventorsTop 65%

Overall (All Time): #3,297,205 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7765270	Music player	Motoaki Miyabe-san	2010-07-27