Inventor · San Jose, CA, US

Xia Dai

28Patents
16h-index
28Co-inventors
77Inventor score

Filing activity: Oct 7, 1997 → Mar 15, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6272642A Managing a system's performance state Emerging Cross-Sectional Technologies 138 Expired
US6118306A Changing clock frequency Emerging Cross-Sectional Technologies 103 Expired
US6347379B1 Reducing power consumption of an electronic device Emerging Cross-Sectional Technologies 78 Expired
US6650322B2 Computer screen power management through detection of user presence Emerging Cross-Sectional Technologies 66 Expired
US5990719A Adaptive filtering scheme for sampling phase relations of clock networks Electricity 56 Expired
US6941480B1 Method and apparatus for transitioning a processor state from a first performance mode to a second performance mode Emerging Cross-Sectional Technologies 55 Expired
US6075832A Method and apparatus for deskewing clock signals Electricity 47 Expired
US6792551B2 Method and apparatus for enabling a self suspend mode for a processor Physics 42 Expired
US6211740A Switching a clocked device from an initial frequency to a target frequency Electricity 29 Expired
US6988211B2 System and method for selecting a frequency and voltage combination from a table using a selection field and a read-only limit field Emerging Cross-Sectional Technologies 25 Expired
US6738675B2 Method, apparatus, and system to reduce microprocessor power dissipation Emerging Cross-Sectional Technologies 25 Expired
US6208169A Internal clock jitter detector Electricity 23 Expired
US9501773B2 Secured transaction system Electricity 19 Active
US6976181B2 Method and apparatus for enabling a low power mode for a processor Physics 18 Expired
US6311281A Apparatus and method for changing processor clock ratio settings Electricity 18 Expired
US6331793A Apparatus, method and system for pulse passgate topologies Electricity 16 Expired
US7155621B2 Method and apparatus to enhance processor power management Emerging Cross-Sectional Technologies 15 Expired
US6704880B2 Reducing sleep mode subthreshold leakage in a battery powered device by making low supply voltage less than twice the threshold voltage of one device transistor Emerging Cross-Sectional Technologies 13 Expired
US6714890B2 Method, apparatus, and machine-readable medium to enhance microprocessor performance Physics 9 Expired
US6298105A Method and apparatus for a low skew, low standby power clock network Emerging Cross-Sectional Technologies 5 Expired
US6566913B2 Method and apparatus for single-ended sense amplifier and biasing Electricity 4 Expired
US6631393B1 Method and apparatus for speculative addition using a limited carry Physics 3 Expired
US6944017B2 Dual function electronic display screen Physics 3 Expired
US9129269B2 Secured point-of-sale transaction system Physics 2 Active
US6573772B1 Method and apparatus for locking self-timed pulsed clock Electricity 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.