Yoshihiro Katsumata

Yamaha: 2 patents #11 of 166Top 7%

Overall (2003): #35,445 of 273,478Top 15%

Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D470168	Piano roof plate	—	2003-02-11
D469460	Piano roof plate	—	2003-01-28