KS

Kayoko Sugiyama

Yamaha: 1 patents #81 of 230Top 40%
Overall (2011): #249,032 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7956275 Music performance training apparatus and method Tadahiko Ikeya, Toshiya Ikegami, Takeshi Fuse, Misa Noguchi, Yuka Yokota +1 more 2011-06-07