Inventor
YU WILLIAM
US13 patents
⚠️ This page may combine multiple inventors who share the name “YU WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
(unassigned)
5 patentsUS5921660AJul 13, 1999
Electric bulb for identification lamp
205 citations97
US6343871B1Feb 5, 2002
Body height adjustable electric bulb for illuminated signs
66 citations94
US6739737B2May 25, 2004
Lamp body for a fluorescent compact spot and flood light source
20 citations91
US6407511B1Jun 18, 2002
Electronic ballast suitable for lighting control in fluorescent lamp
9 citations67
US6255785B1Jul 3, 2001
High power factor electronic ballast with low lamp current peak ratio
14 citations67
INVENTEC CORP
3 patentsUS6727678B2Apr 27, 2004
Rechargeable battery protection circuit with alarm unit
INVENTEC CORP3 citations61
US6753855B2Jun 22, 2004
Driver circuit for LCDM
INVENTEC CORP1 citations51
US6907537B2Jun 14, 2005
Frequency division type device for protecting a portable information processing system from data loss when the system experiences unusual voltages
INVENTEC CORP0 citations40