YI

Yuzo Ishigaki

NS Nippon Gakki Seizo: 1 patents #163 of 332Top 50%
Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #2,173,690 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7119499 Switching power device Masao Noro 2006-10-10
4342006 Amplifier circuit for supplying load with output signal current proportional to input signal voltage 1982-07-27