Inventor · Portland, OR, US

Ram Krishnamurthy

189Patents
17h-index
129Co-inventors
89Inventor score

Filing activity: Dec 31, 1997 → Aug 24, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9104474B2 Variable precision floating point multiply-add circuit Physics 68 Active
US6204696A Domino circuits with high performance and high noise immunity Electricity 34 Expired
US6366061B1 Multiple power supply circuit architecture Physics 30 Expired
US6181166A Tristate driver for integrated circuit interconnects Electricity 28 Expired
US6271713A Dynamic threshold source follower voltage driver circuit Electricity 28 Expired
US6404237B1 Boosted multiplexer transmission gate Electricity 28 Expired
US6707708B1 Static random access memory with symmetric leakage-compensated bit line Physics 25 Expired
US6137319A Reference-free single ended clocked sense amplifier circuit Electricity 23 Expired
US7332937B2 Dynamic logic with adaptive keeper Electricity 22 Expired
US6633190B1 Multi-phase clock generation and synchronization Electricity 21 Expired
US6549040B1 Leakage-tolerant keeper with dual output generation capability for deep sub-micron wide domino gates Electricity 21 Expired
US6563357B1 Level converting latch Electricity 20 Expired
US5986473A Differential, mixed swing, tristate driver circuit for high performance and low power on-chip interconnects Electricity 19 Expired
US6690604B2 Register files and caches with digital sub-threshold leakage current calibration Physics 19 Expired
US7132856B2 Hybrid CVSL pass-gate level-converting sequential circuit for multi-Vcc microprocessors Electricity 18 Expired
US6628143B2 Full-swing source-follower leakage tolerant dynamic logic Electricity 18 Expired
US8284766B2 Multi-core processor and method of communicating across a die Emerging Cross-Sectional Technologies 17 Active
US6320795A Pseudo-static leakage-tolerant register file bit-cell circuit Physics 16 Expired
US7800407B1 Multiple voltage mode pre-charging and selective level shifting Physics 15 Active
US10642922B2 Binary, ternary and bit serial compute-in-memory circuits Physics 15 Active
US9035686B1 Apparatus and method for low power fully-interruptible latches and master-slave flip-flops Electricity 15 Active
US7855575B1 Wide voltage range level shifter with symmetrical switching Electricity 14 Active
US7154300B2 Encoder and decoder circuits for dynamic bus Electricity 13 Expired
US7057913B2 Low-power search line circuit encoding technique for content addressable memories Physics 13 Expired
US8577948B2 Split path multiply accumulate unit Physics 13 Active

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