WC

Wu-Song Chuang

CS China Steel: 1 patents #20 of 117Top 20%
Overall (All Time): #3,290,769 of 4,157,543Top 80%
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Patent #TitleCo-InventorsDate
7728716 Piezoelectric buzzer Cheng-Sheng Yu, Huey-Lin Hsieh, Tsai-Kun Huang, Jyh-Jang Wey, Chun-Jung Lin 2010-06-01