YI

Yoshiaki Iwayama

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,186,496 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6680590 Vibration motor and apparatus using the same Tomohiro Inoue 2004-01-20
6528968 Brushless-motor driver in PWM mode Toshiaki Seima 2003-03-04