MC

Masanobu Chihana

Yamaha: 1 patents #57 of 184Top 35%
Overall (1997): #111,502 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5656789 Electronic musical instrument having a function to indicate keys to be operated Akira Nakada, Yasuo Nagahama, Takeo Shibukawa, Tatsuhiro Koike 1997-08-12