Patent assignee · BE · COMPANY

AMI Semiconductor Belgium BVBA

17Patents
3Active
17Granted
37Portfolio score

Filing activity: Jan 24, 2001 → Jan 2, 2008 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7280333B2 Method and device for short circuit or open load detection Electricity 16 Expired
US7463013B2 Regulated current mirror Physics 15 Expired
US7026971B2 Monotonic precise current DAC Electricity 12 Expired
US7366115B2 Multiplex transmission system with in-circuit addressing Electricity 10 Expired
US7271993B2 Control of current in an inductance with pulse width modulation at control frequency Electricity 8 Expired
US7288956B2 Device and method for detecting rotor speed of a multiple phase motor with bipolar drive Electricity 8 Expired
US7427854B2 DC current regulator insensitive to conducted EMI Physics 5 Active
US7592764B2 Method and apparatus for driving a DC motor Electricity 5 Active
US6909585B2 Protection circuit protecting against voltage irregularities Electricity 5 Expired
US7608510B2 Alignment of trench for MOS Electricity 4 Active
US7279973B1 H-bridge utilizing intermediate switching phase(s) Electricity 3 Expired
US7315187B2 Comparator for input voltages higher than supply voltage Electricity 2 Expired
US6922162B2 Current source blocks in monotonic precise current DAC Electricity 2 Expired
US6525592B2 Integrated sine wave generating circuit Electricity 1 Expired
US7482267B2 Ion implantation of spin on glass materials Electricity 1 Expired
US6544889B2 Method for tungsten chemical vapor deposition on a semiconductor substrate Electricity 1 Expired
US7091725B2 Fast, high-resolution, indirect measurement of a physical value Electricity 1 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.