Patents by Inventor Pallavi Premkumar

Pallavi Premkumar 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: 12293242
    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 receive a first printer transfer function, receive a first print substrate transfer function associated with a first print substrate and generate a composite transfer function based on a function composition operation of the first print substrate transfer function and the first printer transfer function.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: May 6, 2025
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Scott R. Johnson, Walter F. Kailey, William Manchester, Pallavi Premkumar
  • Publication number: 20250111184
    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 receive a first printer transfer function, receive a first print substrate transfer function associated with a first print substrate and generate a composite transfer function based on a function composition operation of the first print substrate transfer function and the first printer transfer function.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 3, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Scott R. Johnson, Walter F. Kailey, William Manchester, Pallavi Premkumar
  • Patent number: 11973919
    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 receive a first plurality of ink deposition curves each associated with one of a plurality of primary color inks of a print system, wherein the associated primary color inks in combination represent a first secondary color, receive a color space mapping profile for the print system, wherein the color space mapping profile characterizes a relationship between a first color space and a printer color space of the print system and generate a color space ink model for the first secondary color based on the first plurality of ink deposition curves and the color space mapping profile, wherein the color space ink model represents a relationship between each of a plurality of parameters of the first color space and ink deposition.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: April 30, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Pallavi Premkumar, James Chauvin, Nikita Gurudath
  • Patent number: 11922241
    Abstract: A printing system is disclosed.
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: March 5, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Walter F. Kailey, Scott R. Johnson, Pallavi Premkumar, William Manchester
  • Publication number: 20230283739
    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 receive a first plurality of ink deposition curves each associated with one of a plurality of primary color inks of a print system, wherein the associated primary color inks in combination represent a first secondary color, receive a color space mapping profile for the print system, wherein the color space mapping profile characterizes a relationship between a first color space and a printer color space of the print system and generate a color space ink model for the first secondary color based on the first plurality of ink deposition curves and the color space mapping profile, wherein the color space ink model represents a relationship between each of a plurality of parameters of the first color space and ink deposition.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 7, 2023
    Inventors: Mikel Stanich, Pallavi Premkumar, James Chauvin, Nikita Gurudath
  • Patent number: 11738552
    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: Grant
    Filed: February 2, 2021
    Date of Patent: August 29, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Nikita Gurudath, Pallavi Premkumar, Ziling Zhang, Burke Larsen
  • Patent number: 11675991
    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 receive an ink deposition curve for one of a plurality of primary color inks of a print system, receive a color space mapping profile for the print system wherein the color space mapping profile characterizes a relationship between a first color space and a printer color space of the print system and generate a color space ink model for the one of a plurality of primary color inks of the print system based on the ink deposition curve and the color space mapping profile, wherein the color space ink model represents a relationship between each of a plurality of parameters of the first color space and ink deposition.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: June 13, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Pallavi Premkumar, James Chauvin, Nikita Gurudath
  • 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: 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
  • 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
  • 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
  • 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
  • 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