RS

Ryotaro Sugimoto

Yamaha: 3 patents #20 of 230Top 9%
Overall (2011): #37,007 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7917622 Content delivery system via a communication network Takeshi Ando, Seiji Abe, Shinya Sakurada 2011-03-29
7902445 Housing structure of electronic keyboard musical instrument Takeshi Ando 2011-03-08
7868238 Electronic musical apparatus, server, electronic musical system, and computer-readable medium including program for implementing control method for the apparatus, the server, and the system Takeshi Ando, Seiji Abe, Shinya Sakurada 2011-01-11