Rambus Inc.

United States of America


 
Total IP 2,419
Total IP incl. subs 2,686 (+ 267 for subs)
Total IP Rank # 485
IP Activity Score 3.7/5.0    1,275
IP Activity Rank # 556
IP AS incl. subs 3.5/5.0    1,497
Stock Symbol
ISIN US7509171069
Market Cap. 1,700M  (USD)
Industry Semiconductor Memory
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

1,903 9
2 2
488 2
13
 
Last Patent 2023 - Error coalescing
First Patent 1990 - Optical display
Last Trademark 2015 - FASTPOINT
First Trademark 1995 - RAMBUS

Subsidiaries

2 subsidiaries with IP (257 patents, 10 trademarks)

1 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2022 Invention Flash memory device having a calibration mode. A method of operation of a flash integrated circu...
Invention Managing memory maintenance operations in a memory system having backing storage media. Memory c...
Invention Error coalescing. A programmable crossbar matrix or an array of steering multiplexors (MUXs) coa...
Invention Matched digital-to-analog converters. A voltage ladder is used to generate reference voltages. T...
Invention Cache memory that supports tagless addressing. The disclosed embodiments relate to a computer sy...
Invention Secure key exchange in a multi-processor device. An integrated circuit comprises an interface co...
Invention High performance, high capacity memory modules and systems. Described are memory modules that in...
Invention Logging burst error information of a dynamic random access memory (dram) using a buffer structure...
Invention Partial response receiver. A signaling system is described. The signaling system comprises a tra...
Invention Multi-stage equalizer for inter-symbol interference cancellation. An equalizer includes a first ...
Invention Power efficient circuits and methods for phase alignment. A timing-calibration circuit uses an a...
Invention Multi-processor device with external interface failover. A multi-processor device is disclosed. ...
Invention Stacked memory device with interface die. A stacked memory device comprises a stack of dies inclu...
Invention Redundant data log retrieval in multi-processor device. A device includes interface circuitry to...
Invention Systems and methods for bidirectional polarization signaling. A photonic communication system in...
Invention Semiconductor memory systems with on-die data buffering. A semiconductor memory system includes ...
Invention Bus distribution using multiwavelength multiplexing. Command/address and timing information is d...
Invention Quad-data-rate (qdr) host interface in a memory system. Technologies for converting quad data ra...
Invention Constant-on-time power converter with adaptive interleaving. A power converter includes a plural...
Invention Memory module with reduced read/write turnaround overhead. A memory module includes a substrate,...
Invention Memory component with error-detect-correct code interface. A memory component internally generat...
Invention Dram interface mode with improved channel integrity and efficiency at high signaling rates. Memo...
Invention On-die termination of address and command signals. A memory device includes a set of inputs, and...
Invention Memory controller for strobe-based memory systems. An integrated circuit (IC) memory controller ...
Invention Memory access during memory calibration. A multi-rank memory system in which calibration operati...
Invention Dynamically changing data access bandwidth by selectively enabling and disabling data links. Ban...
Invention High-speed signaling systems and methods with adaptable, continuous-time equalization. A receive...
Invention Reliability for dram device stack. An interconnected stack of Dynamic Random Access Memory (DRAM...
Invention Domain-selective control component. A control component implements pipelined data processing ope...
Invention Methods and circuits for slew-rate calibration. Described is an integrated circuit with a drivin...
Invention Data buffer for memory devices with memory address remapping. A memory system includes a memory ...
Invention Interconnect based address mapping for improved reliability. Row addresses received by a module ...
Invention Common data strobe among multiple memory devices. Multiple (e.g., four) memory devices on a modul...
Invention Address mapping for improved reliability. The internal row addressing of each DRAM on a module is...
Invention Low power signaling interface. In a chip-to-chip signaling system includes at least one signalin...
Invention Using dynamic bursts to support frequency-agile memory interfaces. The disclosed embodiments rel...
Invention Data transmission using delayed timing signals. An integrated circuit includes a delay circuit a...
Invention Constant-on-time power converter with single-phase and multi-phase operation. A power converter ...
Invention Low latency dynamic random access memory (dram) architecture with dedicated read-write data paths...
Invention Read eye training. Decision feedback equalization (DFE) is used to help reduce inter-symbol inte...
Invention Data buffer for memory devices with unidirectional ports. A serial data buffer integrated circui...
Invention Serial presence detect reliability. A serial presence detect (SPD) device includes nonvolatile m...
Invention Serial presence detect logging. A serial presence detect (SPD) device includes a region of nonvo...
Invention Memory repair method and apparatus based on error code tracking. A memory module is disclosed th...
Invention Multidrop optical input/output module. Multidrop optical connections are used for an optical mem...
Invention Calibration protocol for command and address bus voltage reference in low-swing single-ended sign...
Invention Interface with variable data rate. A device includes a transmitter coupled to a node, where the ...
2021 Invention Stacked-die neural network with integrated high-bandwidth memory. A neural-network accelerator d...
Invention Load-reduced dram stack. Power consumption in a three-dimensional stack of integrated-circuit me...
2020 Invention Partial array refresh timing. A memory controller combines information about which memory compon...
2015 G/S Computer hardware; integrated circuits; computer chips; microprocessors; computer memories; compu...
2014 G/S Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, meas...
G/S computer hardware and software for electronic design interface validation and testing; computer h...
G/S Electronic components, electronic circuits, integrated circuits, microcircuits, printed circuits...
G/S Electronic components, electronic circuits, integrated circuits, microcircuits, printed circuits,...
G/S Computer hardware and software for validation and testing of electronic circuitry and chips; comp...
2012 G/S Light emitting diode (LED) light controls; light emitting diode (LED) displays; light emitting di...
2011 G/S Appareils et instruments pour l'enregistrement, la transmission, le traitement, le stockage et l'...
G/S Apparatus and instruments for recording, transmitting, processing, storing and exchanging data, ...
G/S Apparatus and instruments for the recording, transmission, processing, storage and exchange of da...
2008 G/S Computers; computer hardware; computer memories; application-specific integrated circuits and gra...
2007 G/S Electronic components and systems, namely, computer hardware, integrated circuits, hybrid circuit...
2004 G/S Computers; computer hardware; computer memories; memory devices; memory controllers; memory syste...
G/S Computer memories; memory devices, namely, [ dynamic random access memories (DRAMS), ] memory sys...
2003 G/S Semiconductor devices and integrated circuits
G/S Licensing of intellectual property and technology; patent licensing
G/S Computer hardware; computer software; computer peripherals; computer memory components; microproc...
2002 G/S LICENSING OF INTELLECTUAL PROPERTY AND PATENTED TECHNOLOGY TO OTHERS
G/S Licensing of intellectual property and technology
G/S COMPUTER HARDWARE; COMPUTER SOFTWARE FOR PREVENTING UNAUTHORIZED ACCESS TO COMPUTER NETWORKS AND ...
G/S Computer software and hardware, especially in the field of encrypted and secure communication as ...
1995 G/S microprocessor components, peripheral controller components and computer memory components, namel...