HU

Hajime Ushiyama

📍 Chino, JP: #195 of 297 inventorsTop 70%
Overall (All Time): #2,219,987 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6480073 Method of evaluating quality of crystal unit — 2002-11-12
5959505 Crystal oscillator for measuring crystal impedance of a crystal unit — 1999-09-28