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JP3 patents

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US7157835B2Jan 2, 2007

Oscillating-type generator

USC CORP26 citations92
US7078850B2Jul 18, 2006

Piezoelectric power generation device and piezoelectric ceramics member used therefor

USC CORP22 citations92
US7049959B2May 23, 2006

Powerless type security device

USC CORP4 citations62