MM

Motoshi Murasaki

NS Nippon Gakki Seizo: 2 patents #116 of 332Top 35%
Yamaha: 2 patents #899 of 2,001Top 45%
Overall (All Time): #1,289,957 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
RE35161 Keyboard device of electronic musical instrument Shinji Kumano 1996-02-27
5090290 Keyboard device of electronic musical instrument Shinji Kumano 1992-02-25
4846041 Keyboard device of electronic musical instrument Shinji Kumano 1989-07-11
4604937 Keyboard device of electronic musical instrument Shinji Kumano 1986-08-12