TO

Takaharu Okubo

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,501,038 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6512181 Multilayer type printed-wiring board and method of measuring impedance of multilayer type printed-wiring board Takashi Ishikawa, Hiroyuki Fujita, Shoji Horie 2003-01-28