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).

  • Patent number: 11636296
    Abstract: A system is disclosed. The system includes at least one physical memory device to store compensation logic and one or more processors coupled with the at least one physical memory device to execute the compensation logic to generate inverse transfer functions for each of a plurality of color planes to compensate for non-functioning pel forming elements based on ink deposition functions for groups of pel forming elements including functioning pel forming elements and the non-functioning pel forming elements, wherein the inverse transfer functions transform output digital counts and the ink deposition functions represent output ink amount versus input digital count and generate compensated halftones for each of a plurality of color planes based on the inverse transfer functions.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: April 25, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Walter F. Kailey, Nikita Gurudath, Ziling Zhang, Brandon Skogen
  • Patent number: 11637946
    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: November 24, 2021
    Date of Patent: April 25, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey
  • Publication number: 20230120258
    Abstract: A system is disclosed. The system includes at least one physical memory device to store compensation logic and one or more processors coupled with the at least one physical memory device to execute the compensation logic to generate first ink deposition function representing a first output ink amount versus input digital count for each of a plurality of color planes without pel forming element artifacts, generate second ink deposition function representing a second output ink amount versus input digital count for each of the plurality of color planes with the pel forming element artifacts and generate compensated halftones for each of the plurality of color planes based on the first ink deposition function and the second ink deposition function.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 20, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Walter F. Kailey, Nikita Gurudath, Ziling Zhang, Brandon Skogen
  • Publication number: 20230123461
    Abstract: A system is disclosed. The system includes at least one physical memory device to store compensation logic and one or more processors coupled with the at least one physical memory device to execute the compensation logic to generate first ink deposition function representing a first output ink amount versus input digital count for each of a plurality of color planes, generate second ink deposition function representing a second output ink amount versus input digital count for each of the plurality of color planes and generate transfer functions for each of the plurality of color planes based on the first ink deposition function and the second ink deposition function, wherein the transfer functions transform input digital counts.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 20, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Walter F. Kailey, Nikita Gurudath, Ziling Zhang, Brandon Skogen
  • Patent number: 11630975
    Abstract: A printing system is disclosed.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: April 18, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Soraya Terrab, Mikel Stanich, Ziling Zhang, Nikita Gurudath, Walter F. Kailey, James Chauvin
  • Patent number: 11632487
    Abstract: A printing system is disclosed.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: April 18, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Soraya Terrab, Mikel Stanich, Ziling Zhang, Nikita Gurudath, Walter F. Kailey, James Chauvin
  • Patent number: 11570311
    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 halftone design for each of a plurality of pel forming elements, receive an average missing neighbor threshold lowering 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 threshold lowering function associated with a pel forming element determined to be a neighbor of a defective pel forming element.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: January 31, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Walter F. Kailey, Nikita Gurudath, Mikel Stanich, William Manchester, Ziling Zhang
  • Patent number: 11570332
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store ink model estimation logic and one or more processors coupled with the at least one physical memory device to execute the ink model estimation logic to generate color space ink model parameter data for a print system based on an ink deposition data and color space measurement data for one of a plurality of inks for the print system.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: January 31, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Pallavi Premkumar, Nikita Gurudath
  • Patent number: 11539857
    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 halftone design for each of a plurality of pel forming elements, generate a missing neighbor corrected halftone design for each of the pel forming elements, generate a missing neighbor threshold lowering function for each of the pel forming elements based on the uniformity compensated halftone designs and the missing neighbor corrected halftone design and compute an average of the missing neighbor threshold lowering functions to generate an average missing neighbor threshold lowering function.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: December 27, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Walter F Kailey, Nikita Gurudath, Mikel Stanich, William Manchester, Ziling Zhang
  • Patent number: 11521031
    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: Grant
    Filed: March 30, 2021
    Date of Patent: December 6, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath
  • Patent number: 11475260
    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: Grant
    Filed: February 2, 2021
    Date of Patent: October 18, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Pallavi Premkumar, Ziling Zhang, Burke Larsen
  • Patent number: 11477343
    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: October 20, 2021
    Date of Patent: October 18, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Larry Ernst, Walter F. Kailey
  • Publication number: 20220288945
    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 halftone design for each of a plurality of pel forming elements, receive an average missing neighbor threshold lowering 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 threshold lowering function associated with a pel forming element determined to be a neighbor of a defective pel forming element.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 15, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Walter F. Kailey, Nikita Gurudath, Mikel Stanich, William Manchester, Ziling Zhang
  • Patent number: 11443152
    Abstract: A printing system is disclosed.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: September 13, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey
  • Publication number: 20220286579
    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 halftone design for each of a plurality of pel forming elements, generate a missing neighbor corrected halftone design for each of the pel forming elements, generate a missing neighbor threshold lowering function for each of the pel forming elements based on the uniformity compensated halftone designs and the missing neighbor corrected halftone design and compute an average of the missing neighbor threshold lowering functions to generate an average missing neighbor threshold lowering function.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 8, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Walter F. Kailey, Nikita Gurudath, Mikel Stanich, William Manchester, Ziling Zhang
  • Publication number: 20220286578
    Abstract: A printing system is disclosed.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 8, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey
  • Publication number: 20220284247
    Abstract: A printing system is disclosed.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 8, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Walter F. Kailey
  • Publication number: 20220286581
    Abstract: A system is disclosed. The 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 receive an image having a blended input color comprising a first primary color value and a second primary color value, generate blend weights for the blended input color based on the first primary color value and the second primary color value, receive a plurality of transfer functions corresponding to each of the first primary color value and the second primary color values and apply the blend weights and the plurality of transfer functions to the first primary color value and the second primary color value to generate a uniformity corrected first primary color value and a uniformity corrected second primary color value associated with the blended input color.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 8, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Walter F. Kailey, Mikel Stanich, Nikita Gurudath
  • Publication number: 20220284250
    Abstract: A system is disclosed. The 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 receive an image having a blended input color comprising a first primary color value and a second primary color value, generate blend weights for the blended input color based on the first primary color value and the second primary color value, receive a plurality of halftone designs corresponding to each of the first primary color value and the second primary color values and apply the blend weights and the plurality of halftone designs to the first primary color value and the second primary color value to generate a uniformity corrected halftone design associated with the first primary color value and a uniformity corrected halftone design associated with the second primary color value.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 8, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Walter .F Kailey, Mikel Stanich, Nikita Gurudath
  • Publication number: 20220272230
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store ink model estimation logic and one or more processors coupled with the at least one physical memory device to execute the ink model estimation logic to generate color space ink model parameter data for a print system based on an ink deposition data and color space measurement data for one of a plurality of inks for the print system.
    Type: Application
    Filed: February 25, 2021
    Publication date: August 25, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Pallavi Premkumar, Nikita Gurudath