DW

Der-Chwan Wu

EO Electronics Research & Service Organization: 2 patents #1 of 16Top 7%
IT ITRI: 1 patents #5,197 of 9,619Top 55%
US Utek Semiconductor: 1 patents #3 of 26Top 15%
📍 Keelung, TW: #156 of 650 inventorsTop 25%
Overall (All Time): #1,282,166 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5877615 Dynamic input reference voltage adjuster Min Wang, Wen-Ping Cheng, Hui-Yi Cheng 1999-03-02
5832442 High-effeciency algorithms using minimum mean absolute error splicing for pitch and rate modification of audio signals Gang Lin, Sau-Gee Chen, Yuan-An Kao, Yen-Hui Wang 1998-11-03
5647005 Pitch and rate modifications of audio signals utilizing differential mean absolute error Yen-Hui Wang 1997-07-08
4989246 Adaptive differential, pulse code modulation sound generator Shyue-Yun Wan, Shie-Ming Peng 1991-01-29