Inventor · Rochester, MN, US

Charles L. Johnson

22Patents
11h-index
36Co-inventors
75Inventor score

Filing activity: Dec 30, 1982 → Jun 25, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US8736068B2 Hybrid bonding techniques for multi-layer semiconductor stacks Electricity 207 Active
US5077676A Reducing clock skew in large-scale integrated circuits Electricity 58 Expired
US4939389A VLSI performance compensation for off-chip drivers and clock generation Electricity 56 Expired
US4857765A Noise control in an integrated circuit chip Electricity 32 Expired
US5371764A Method and apparatus for providing an uninterrupted clock signal in a data processing system Physics 31 Expired
US5790838A Pipelined memory interface and method for using the same Physics 28 Expired
US5235521A Reducing clock skew in large-scale integrated circuits Physics 25 Expired
US4495377A Substrate wiring patterns for connecting to integrated-circuit chips Electricity 22 Expired
US9495498B2 Universal inter-layer interconnect for multi-layer semiconductor stacks Electricity 17 Active
US5911063A Method and apparatus for single phase clock distribution with minimal clock skew Physics 14 Expired
US8445918B2 Thermal enhancement for multi-layer semiconductor stacks Electricity 13 Active
US8140297B2 Three dimensional chip fabrication Electricity 11 Active
US9245813B2 Horizontally aligned graphite nanofibers in etched silicon wafer troughs for enhanced thermal performance Electricity 10 Active
US5815694A Apparatus and method to change a processor clock frequency Physics 10 Expired
US6260164A SRAM that can be clocked on either clock phase Physics 8 Expired
US8293578B2 Hybrid bonding techniques for multi-layer semiconductor stacks Electricity 8 Active
US8127079B2 Intelligent cache injection Physics 4 Active
US8330489B2 Universal inter-layer interconnect for multi-layer semiconductor stacks Electricity 3 Active
US8367478B2 Method and system for internal layer-layer thermal enhancement Electricity 2 Active
US9111899B2 Horizontally and vertically aligned graphite nanofibers thermal interface material for use in chip stacks Electricity 2 Active
US9811287B2 High-performance hash joins using memory with extensive internal parallelism Physics 1 Active
US9817612B2 High-performance hash joins using memory with extensive internal parallelism Physics 1 Active

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