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Osamu Kumazawa

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,483,762 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6759917 Method and apparatus for adjusting impedance of matching circuit Kazuhiro Ikurumi, Shoichi Kajiwara 2004-07-06