Yoshihiro Katsumata

Yamaha: 3 patents #10 of 215Top 5%

Overall (2005): #14,389 of 245,428Top 6%

Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D510592	Electronic keyboard instrument	—	2005-10-11
D504906	Electronic guitar	—	2005-05-10
D501017	Electronic guitar	—	2005-01-18