Inventor · San Jose, CA, US

William C. Athas

80Patents
15h-index
52Co-inventors
87Inventor score

Filing activity: Jun 2, 1988 → Apr 24, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6661355B2 Methods and apparatus for constant-weight encoding & decoding Electricity 172 Expired
US4937791A High performance dynamic ram interface Physics 100 Expired
US5559478A Highly efficient, complementary, resonant pulse generation Emerging Cross-Sectional Technologies 61 Expired
US8624560B2 Controlling battery charging based on current, voltage and temperature Emerging Cross-Sectional Technologies 57 Active
US5047917A Apparatus for intrasystem communications within a binary n-cube including buffer lock bit Physics 56 Expired
US7681013B1 Method for variable length decoding using multiple configurable look-up tables Physics 54 Expired
US5473526A System and method for power-efficient charging and discharging of a capacitive load from a single source Electricity 43 Expired
US7202712B2 Multiphase resonant pulse generators Electricity 41 Active
US7171570B2 Method and apparatus for selectively increasing the operating speed of an electronic circuit Emerging Cross-Sectional Technologies 38 Expired
US8134336B2 Method and system for charging a series battery Electricity 38 Active
USRE37552E1 System and method for power-efficient charging and discharging of a capacitive load from a single source General 25 Expired
US8143851B2 Power source having a parallel cell topology Emerging Cross-Sectional Technologies 21 Active
US7430676B2 Method and apparatus for changing the clock frequency of a memory system Emerging Cross-Sectional Technologies 15 Active
US6844833B2 Methods and apparatus for constant-weight encoding and decoding Electricity 15 Expired
US8754611B2 Diffusion-limited adaptive battery charging Emerging Cross-Sectional Technologies 15 Active
US8244296B2 Dynamic thermal control for wireless transceivers Emerging Cross-Sectional Technologies 15 Active
US7340622B2 Method and apparatus for selectively increasing the operating speed of an electronic circuit Emerging Cross-Sectional Technologies 13 Active
US6848032B2 Pipelining cache-coherence operations in a shared-memory multiprocessing system Physics 11 Expired
USRE38918E1 System and method for power-efficient charging and discharging of a capacitive load from a single source General 11 Expired
US7005893B1 High-performance clock-powered logic Electricity 11 Expired
US6813719B2 Method and apparatus for increasing the operating frequency of an electronic circuit Emerging Cross-Sectional Technologies 11 Expired
US8170606B2 Dynamic thermal control for wireless transceivers Emerging Cross-Sectional Technologies 11 Active
US7872539B1 Energy efficient waveform generation using tuned resonators Electricity 9 Active
US10697830B1 Multicomb light source and spectrometer Physics 8 Active
US8933665B2 Balancing voltages between battery banks Electricity 8 Active

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