Patents by Inventor Mani Ranjbar

Mani Ranjbar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170255871
    Abstract: A hybrid computer comprising a quantum processor can be operated to perform a scalable comparison of high-entropy samplers. Performing a scalable comparison of high-entropy samplers can include comparing entropy and KL divergence of post-processed samplers. A hybrid computer comprising a quantum processor generates samples for machine learning. The quantum processor is trained by matching data statistics to statistics of the quantum processor. The quantum processor is tuned to match moments of the data.
    Type: Application
    Filed: March 7, 2017
    Publication date: September 7, 2017
    Inventors: William G. Macready, Firas Hamze, Fabian A. Chudak, Mani Ranjbar, Jack R. Raymond, Jason T. Rolfe
  • Patent number: 9424526
    Abstract: Computational techniques for mapping a continuous variable objective function into a discrete variable objective function problem that facilitate determining a solution of the problem via a quantum processor are described. The modified objective function is solved by minimizing the cost of the mapping via an iterative search algorithm.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: August 23, 2016
    Assignee: D-WAVE SYSTEMS INC.
    Inventor: Mani Ranjbar
  • Publication number: 20160042294
    Abstract: Quantum processor based techniques minimize an objective function for example by operating the quantum processor as a sample generator providing low-energy samples from a probability distribution with high probability. The probability distribution is shaped to assign relative probabilities to samples based on their corresponding objective function values until the samples converge on a minimum for the objective function. Problems having a number of variables and/or a connectivity between variables that does not match that of the quantum processor may be solved. Interaction with the quantum processor may be via a digital computer. The digital computer stores a hierarchical stack of software modules to facilitate interacting with the quantum processor via various levels of programming environment, from a machine language level up to an end-use applications level.
    Type: Application
    Filed: October 22, 2015
    Publication date: February 11, 2016
    Inventors: William G. Macready, Mani Ranjbar, Firas Hamze, Geordie Rose, Suzanne Gildert
  • Patent number: 9218567
    Abstract: Quantum processor based techniques minimize an objective function for example by operating the quantum processor as a sample generator providing low-energy samples from a probability distribution with high probability. The probability distribution is shaped to assign relative probabilities to samples based on their corresponding objective function values until the samples converge on a minimum for the objective function. Problems having a number of variables and/or a connectivity between variables that does not match that of the quantum processor may be solved. Interaction with the quantum processor may be via a digital computer. The digital computer stores a hierarchical stack of software modules to facilitate interacting with the quantum processor via various levels of programming environment, from a machine language level up to an end-use applications level.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: December 22, 2015
    Assignee: D-WAVE SYSTEMS INC.
    Inventors: William G. Macready, Mani Ranjbar, Firas Hamze, Geordie Rose, Suzanne Gildert
  • Publication number: 20150205759
    Abstract: Methods and systems represent constraint as an Ising model penalty function and a penalty gap associated therewith, the penalty gap separating a set of feasible solutions to the constraint from a set of infeasible solutions to the constraint; and determines the Ising model penalty function subject to the bounds on the programmable parameters imposed by the hardware limitations of the second processor, where the penalty gap exceeds a predetermined threshold greater than zero. Such may be employed to find quantum binary optimization problems and associated gap values employing a variety of techniques.
    Type: Application
    Filed: March 27, 2015
    Publication date: July 23, 2015
    Inventors: Robert Israel, William G. Macready, Zhengbing Bian, Fabian Chudak, Mani Ranjbar
  • Publication number: 20140344322
    Abstract: Computational techniques for mapping a continuous variable objective function into a discrete variable objective function problem that facilitate determining a solution of the problem via a quantum processor are described. The modified objective function is solved by minimizing the cost of the mapping via an iterative search algorithm.
    Type: Application
    Filed: May 16, 2014
    Publication date: November 20, 2014
    Applicant: D-Wave Systems Inc.
    Inventor: Mani Ranjbar
  • Publication number: 20140187427
    Abstract: Quantum processor based techniques minimize an objective function for example by operating the quantum processor as a sample generator providing low-energy samples from a probability distribution with high probability. The probability distribution is shaped to assign relative probabilities to samples based on their corresponding objective function values until the samples converge on a minimum for the objective function. Problems having a number of variables and/or a connectivity between variables that does not match that of the quantum processor may be solved. Interaction with the quantum processor may be via a digital computer. The digital computer stores a hierarchical stack of software modules to facilitate interacting with the quantum processor via various levels of programming environment, from a machine language level up to an end-use applications level.
    Type: Application
    Filed: July 6, 2012
    Publication date: July 3, 2014
    Applicant: D-WAVE SYSTEMS INC.
    Inventors: William G. Macready, Mani Ranjbar, Firas Hamze, Geordie Rose, Suzanne Gildert