ST

Susumu Takumai

Yamaha: 4 patents #3 of 171Top 2%
Overall (2017): #37,043 of 506,227Top 8%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9736577 Speaker array apparatus Masaki Yamamoto, Kazunori Tanaka, Yuichi Sugisaki 2017-08-15
9674609 Speaker device and audio signal processing method Masaki Katayama, Keiichi Imaoka 2017-06-06
9571924 Speaker array apparatus and method for setting speaker array apparatus 2017-02-14
9560450 Speaker array apparatus Kenichiro Takeshita 2017-01-31