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AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #3,476,004 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6720843 Filter switching circuit having a shorter distance of connection for a higher frequency passband 2004-04-13