ST

Susumu Takumai

Yamaha: 1 patents #57 of 191Top 30%
Overall (2016): #215,115 of 481,213Top 45%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9456278 Speaker device Kazunori Tanaka 2016-09-27