Patents by Inventor Nikita Gurudath

Nikita Gurudath 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: 20220245415
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store ink model logic and one or more processors coupled with the at least one physical memory device to execute the ink model logic to generate first ink model parameter data for a first print medium based on first ink deposition data for a second print medium and first optical density measurement data for the first print medium.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 4, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Pallavi Premkumar, Ziling Zhang, Burke Larsen
  • Publication number: 20220242110
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store drop size logic and one or more processors coupled with the at least one physical memory device to execute the drop size logic to generate drop size data associated with a printing system based on ink deposition data for a print medium and ink drop count data.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 4, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Pallavi Premkumar, Ziling Zhang, Burke Larsen
  • Patent number: 11368592
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store calibration logic and one or more processors coupled with the at least one physical memory device to execute the calibration logic to generate a uniformity compensated transfer function for each of a plurality of pel forming elements, generate a missing neighbor corrected transfer function for each of the pel forming elements, generate a missing neighbor transfer function based on the uniformity compensated transfer functions and the missing neighbor corrected transfer function and compute an average of the missing neighbor transfer functions to generate an average missing neighbor transfer function.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: June 21, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Walter .F Kailey, Nikita Gurudath, Mikel Stanich, William Manchester, Ziling Zhang
  • Publication number: 20220184969
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store halftone calibration logic and one or more processors coupled with the at least one physical memory device to execute the halftone calibration logic determine an uncalibrated deposition distribution for each of a plurality of pel forming elements, determine a calibrated deposition distribution for each of the plurality of pel forming elements and determine calibration values for each of the plurality of pel forming elements.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey, Larry M. Ernst
  • Patent number: 11338591
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store nozzle correction logic and one or more processors coupled with at least one physical memory device to execute the nozzle correction logic to receive a uniformity compensated transfer function for each of a plurality of pel forming elements, receive an average missing neighbor transfer function, receive a defective nozzles list including one or more of the plurality of pel forming elements indicated as defective during print production; and perform missing neighbor processing by applying the average missing neighbor transfer function associated with the pel forming element determined to be a neighbor of a defective pel forming element.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: May 24, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Walter .F Kailey, Nikita Gurudath, Mikel Stanich, William Manchester, Ziling Zhang
  • Patent number: 11305550
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store halftone calibration logic and one or more processors coupled with the at least one physical memory device to execute the halftone calibration logic determine an uncalibrated deposition distribution for each of a plurality of pel forming elements, determine a calibrated deposition distribution for each of the plurality of pel forming elements and determine calibration values for each of the plurality of pel forming elements.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: April 19, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey, Larry M. Ernst
  • Patent number: 11283936
    Abstract: A system is disclosed. The system at least one physical memory device to store ink estimation logic and one or more processors coupled with the at least one physical memory device, to execute the ink estimation logic to receive a histogram for each of a plurality of color planes, receive uncalibrated drop fraction data for each of a plurality of drop sizes in a printing system, perform a direct drop fraction conversion of the uncalibrated drop fraction data to generate calibrated drop fraction data for each of the plurality of drop sizes by applying a first transfer function to the uncalibrated drop fraction data and generate estimated ink usage data for each of the plurality of drop sizes based on the histograms and the calibrated drop fraction data.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: March 22, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Pallavi Premkumar, Ziling Zhang
  • Publication number: 20220083826
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store halftone calibration logic and one or more processors coupled with the at least one physical memory device to execute the halftone calibration logic to receive print image measurement data corresponding to a first halftone design associated with each of a plurality of pel forming elements, generate measurement data for each of the pel forming elements based on the print image measurement data, generate a uniformity compensated halftone for each of the pel forming elements based on inverse transfer functions corresponding to each of the pel forming elements and the first halftone design and transmit the uniformity compensated halftone for each of the pel forming elements.
    Type: Application
    Filed: November 24, 2021
    Publication date: March 17, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey
  • Patent number: 11247454
    Abstract: A system is disclosed. The system at least one physical memory device to store ink estimation logic and one or more processors coupled with the at least one physical memory device, to execute the ink estimation logic to receive calibrated ink deposition data, receive a first transfer function associated with a printing system, generate a first inverse transfer function based on the first transfer function and generate first uncalibrated ink deposition data based on the calibrated ink deposition data and the first inverse transfer function.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: February 15, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Publication number: 20220046143
    Abstract: A printing system is disclosed. The printing system includes a printer to print image data to a medium and a print controller including a halftone calibration module to dynamically generate calibrated halftones to compensate for optical density changes that occur at the printer.
    Type: Application
    Filed: October 20, 2021
    Publication date: February 10, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Larry Ernst, Walter F. Kailey
  • Patent number: 11216710
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store halftone calibration logic and one or more processors coupled with the at least one physical memory device to execute the halftone calibration logic to receive print image measurement data corresponding to a first halftone design associated with each of a plurality of pel forming elements, generate measurement data for each of the pel forming elements based on the print image measurement data, generate a uniformity compensated halftone for each of the pel forming elements based on inverse transfer functions corresponding to each of the pel forming elements and the first halftone design and transmit the uniformity compensated halftone for each of the pel forming elements.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: January 4, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey
  • Patent number: 11184504
    Abstract: A printing system is disclosed. The printing system includes a printer to print image data to a medium and a print controller including a halftone calibration module to dynamically generate calibrated halftones to compensate for optical density changes that occur at the printer.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: November 23, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Larry Ernst, Walter F. Kailey
  • Patent number: 11182113
    Abstract: A system is disclosed. The system at least one physical memory device to store monitoring logic and one or more processors coupled with the at least one physical memory device, to execute the monitoring logic to receive a first and a second ink deposition data representing an output ink amount versus an input digital count for each of a plurality of color planes, determine whether a difference between the first ink deposition data and the second ink deposition data exceeds a predetermined threshold and transmit a signal upon a determination that the difference between the first ink deposition data and the second ink deposition data exceeds the predetermined threshold.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 23, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Patent number: 11155099
    Abstract: A system is disclosed. The system at least one physical memory device to store density control logic and one or more processors coupled with the at least one physical memory device, to execute the density control logic to generate first uncalibrated ink deposition data, receive first calibrated ink deposition data, generate a first transfer function based on the first uncalibrated ink deposition data and the first calibrated ink deposition data and transmit the first transfer function.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: October 26, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Patent number: 11157786
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store uniformity compensation logic and one or more processors coupled with the at least one physical memory device to execute the uniformity compensation logic to receive print image measurement data corresponding with each of a plurality of pel forming elements, generate a first set of intermediate images based on the print image measurement data, determine whether historical sets of intermediate images are available, generate first transfer functions corresponding to each of the pel forming elements based on the first set of intermediate images and the historical sets of intermediate images upon a determination that the historical sets of intermediate images are available and transmit the first transfer functions for each of the pel forming elements.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: October 26, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Nikita Gurudath, Ziling Zhang, Scott Johnson, Nathan Young
  • Publication number: 20210268805
    Abstract: A system is disclosed. The system at least one physical memory device to store density control logic and one or more processors coupled with the at least one physical memory device, to execute the density control logic to generate first uncalibrated ink deposition data, receive first calibrated ink deposition data, generate a first transfer function based on the first uncalibrated ink deposition data and the first calibrated ink deposition data and transmit the first transfer function.
    Type: Application
    Filed: February 28, 2020
    Publication date: September 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Publication number: 20210271943
    Abstract: A system is disclosed. The system at least one physical memory device to store ink estimation logic and one or more processors coupled with the at least one physical memory device, to execute the ink estimation logic to receive a histogram for each of a plurality of color planes, receive uncalibrated ink deposition data for a printing system, perform a direct conversion of the uncalibrated ink deposition data to generate first calibrated ink deposition data and generate estimated ink usage data for each of the plurality of color planes based on the histograms and the first calibrated ink deposition data.
    Type: Application
    Filed: March 30, 2021
    Publication date: September 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Publication number: 20210271431
    Abstract: A system is disclosed. The system at least one physical memory device to store monitoring logic and one or more processors coupled with the at least one physical memory device, to execute the monitoring logic to receive a first and a second ink deposition data representing an output ink amount versus an input digital count for each of a plurality of color planes, determine whether a difference between the first ink deposition data and the second ink deposition data exceeds a predetermined threshold and transmit a signal upon a determination that the difference between the first ink deposition data and the second ink deposition data exceeds the predetermined threshold.
    Type: Application
    Filed: February 28, 2020
    Publication date: September 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Publication number: 20210268794
    Abstract: A system is disclosed. The system at least one physical memory device to store ink estimation logic and one or more processors coupled with the at least one physical memory device, to execute the ink estimation logic to receive calibrated ink deposition data, receive a first transfer function associated with a printing system, generate a first inverse transfer function based on the first transfer function and generate first uncalibrated ink deposition data based on the calibrated ink deposition data and the first inverse transfer function.
    Type: Application
    Filed: February 28, 2020
    Publication date: September 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Patent number: 11077674
    Abstract: A printing system is disclosed. The printing system includes a printer to print image data to a medium. The printer includes a first pass channel including a first set of pel forming elements to print a first component of the image data and a second pass channel including a second set of pel forming elements to print a second component of the image data, wherein the first component of the image data and the second component of the image data occupy a same region on the print medium. The printing system also includes a print controller to perform uniformity compensation based on a combined compensation of the first pass channel and the second pass channel.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: August 3, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel F. Stanich, Nikita Gurudath, Larry Ernst, William E. Manchester