YL

Ying-Ya Lu

SC Sunonwealth Electric Machine Industry Co.: 8 patents #15 of 166Top 10%
Overall (All Time): #662,176 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6922038 Speed control circuit for a dc brushless motor Alex Horng, Ta-Lun Ko 2005-07-26
6822419 Speed control circuit for a DC brushless motor Alex Horng 2004-11-23
6815916 Speed-control drive circuit for a D.C. brushless fan motor Alex Horng, MING-SHEN WANG 2004-11-09
6759819 Rotation detection circuit of a dc brushless motor using a fixed bias voltage Alex Horng, Ming-Sheng Wang 2004-07-06
6744229 Safety-guard detective circuit of a fan motor Alex Horng, Ming-Sheng Wang 2004-06-01
6741047 Dual current-limiting circuit for DC brushless motor Alex Horng, Yin-Rong Hung, Ta-Lun Ko 2004-05-25
6664756 Conversion circuit for a DC brushless motor Alex Horng 2003-12-16
6593715 Single-phase motor with a conversion circuit Alex Horng, Ming-Sheng Wang 2003-07-15