Patents by Inventor Suman Das

Suman Das 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: 20230359760
    Abstract: In an approach, a processor receives a query relating to mobile number porting on a mobile network that includes a hierarchy including a mobile network operator and a mobile virtual network operator, the query requiring access to customer private data. A processor identifies a minimal number of participants in the mobile network with access to the customer private data. A customer provides a response to the query.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 9, 2023
    Inventors: Jignesh K. Karia, Sudip Dutta, Pankaj Satyanarayan Dayama, Suman Das
  • Patent number: 11647377
    Abstract: A method, system, and computer program product for implementing mobile device roaming optimization is provided. The method includes receiving a selection for services associated with a first mobile device provider for activation during travel to a location associated with mobile device roaming attributes with respect to a mobile device of a user. A blockchain structure and a hash masking sensitive data of the user are generated. It is detected that the user and mobile device have traveled to the location and access to the blockchain structure is enabled. Roaming usage attributes of the mobile device are determined. Subsequently, operational functionality of the mobile device at the geographical location is enabled via roaming usage of a network of the second mobile device provider and second hash of consumption related information compliant with data residency is transmitted to the first mobile device provider to facilitate resolution of disputes across entities.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: May 9, 2023
    Assignee: International Business Machines Corporation
    Inventors: Jignesh K. Karia, Pankaj Satyanarayan Dayama, Mukundan Sundararajan, Neha Shah, Arindam Dasgupta, Suman Das
  • Publication number: 20230079592
    Abstract: Vehicles, environmental control systems, and methods for operating an environmental control system are provided. In one example, the environmental control system (ECS) includes an ECS refrigeration unit that is configured to receive ambient air and a first portion and a second portion of hot bleed air. The ECS refrigeration unit is operable to indirectly exchange heat between the first portion of the hot bleed air and the ambient air to form a partially cooled, hot air stream, and to compress, further indirect heat exchange, and expand the partially cooled, hot air stream to form a cooled and expanded air stream. A low limit valve control regulates a low limit valve to control a rate of introduction of the second portion of the hot bleed air to the cooled and expanded air stream to form a combined air stream that when exiting the ECS refrigeration unit is a sub-freezing air stream.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 16, 2023
    Applicant: Gulfstream Aerospace Corporation
    Inventors: Adam Tate, Brad Crome, Randy Hull, Suman Das, Dilip Prasad, Thomas Rothermel
  • Publication number: 20220400368
    Abstract: A method, system, and computer program product for implementing mobile device roaming optimization is provided. The method includes receiving a selection for services associated with a first mobile device provider for activation during travel to a location associated with mobile device roaming attributes with respect to a mobile device of a user. A blockchain structure and a hash masking sensitive data of the user are generated. It is detected that the user and mobile device have traveled to the location and access to the blockchain structure is enabled. Roaming usage attributes of the mobile device are determined. Subsequently, operational functionality of the mobile device at the geographical location is enabled via roaming usage of a network of the second mobile device provider and second hash of consumption related information compliant with data residency is transmitted to the first mobile device provider to facilitate resolution of disputes across entities.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 15, 2022
    Inventors: Jignesh K. Karia, Pankaj Satyanarayan Dayama, Mukundan Sundararajan, Neha Shah, Arindam Dasgupta, Suman Das
  • Publication number: 20220362971
    Abstract: A system including a container for holding a photosensitive medium adapted to change states upon exposure to a light source, an optical imaging system, configured to move above the container holding the photosensitive medium, and having the light source, and a control system configured to: slice a digital model of a three-dimensional object into a slice having a cross-section, generate a build cross-section by filling a two-dimensional image with one or more copies of the cross-section, add to the build cross-section a conformal lattice to fill space in the build cross-section around the one or more copies of the cross-section, and control movement of the optical imaging system above the container to cure a portion of the photosensitive medium corresponding to the build cross-section to produce a layer of a three-dimensional object.
    Type: Application
    Filed: March 21, 2022
    Publication date: November 17, 2022
    Inventors: Suman Das, Dajun Yuan, Anirudh Rudraraju, Paul Cilino
  • Publication number: 20220088670
    Abstract: A method including: obtaining a part design file of a part; deriving, from the art design file, a central mold design; determining one or more fill points for the central mold design; and attaching one or more mating connectors to the determined one or more fill points to create a modular part mold file.
    Type: Application
    Filed: January 22, 2020
    Publication date: March 24, 2022
    Applicant: DDM SYSTEMS, INC.
    Inventor: Suman DAS
  • Patent number: 11279062
    Abstract: A system including: a container for holding a photosensitive medium adapted to change states upon exposure to a light source; an optical imaging system, configured to move above the container holding the photosensitive medium, and having the light source; and a control system configured to: slice a digital model of a three-dimensional object into a slice having a cross section; generate a build cross section by filling a two-dimensional image with one or more copies of the cross section; add to the build cross section a conformal lattice to fill space in the build cross section around the one or more copies of the cross section; and control movement of the optical imaging system above the container to cure a portion of the photosensitive medium corresponding to the build cross section to produce a layer of a three-dimensional object.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: March 22, 2022
    Assignee: GEORGIA TECH RESEARCH CORPORATION
    Inventors: Suman Das, Dajun Yuan, Anirudh Rudraraju, Paul Cilino
  • Patent number: 11064443
    Abstract: Apparatuses and methods for managing electromagnetic field (EMF) radiation. A method includes determining one or more radiation power related parameters, the one or more radiation power related parameters including precoding vectors selected for transmission on a transmission time interval (TTI) basis, a transmit power, and resource block (RB) utilization. The method also includes estimating, based on the one or more radiation power related parameters, a time-averaged radiation power over a predefined time window in azimuth and elevation dimensions. The method also includes determining a direction of a maximum time-averaged radiation power among the estimated time-averaged radiation power; and adjusting one or more transmission parameters based on determining that the maximum time-averaged radiation power in the direction is higher than a threshold.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: July 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Zinan Lin, Suman Das, Caglar Tunc, Jianzhong Zhang
  • Patent number: 11059101
    Abstract: Aspects of the disclosed technology include an additive manufacturing method including: applying a mixture of metal powder and a carrier agent to a substrate; removing a portion of the carrier agent from the applied mixture; and fusing the metal powder remaining in the applied mixture to the substrate.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: July 13, 2021
    Assignee: DDM SYSTEMS, INC.
    Inventors: Suman Das, Marvin Kilgo
  • Publication number: 20200376775
    Abstract: A system including: an optical light source; a reservoir configured to hold a liquid photosensitive medium that is adapted to change states upon exposure to a portion of light from the optical imaging system; and a control system configured to control the optical light source to expose specified portions of a surface the photosensitive medium contained in the reservoir to light from the light source. The control system may be further configured to control the optical light source to repeatedly expose the surface of the photosensitive medium contained in the reservoir to light from the light source to build layers of a desired object.
    Type: Application
    Filed: February 15, 2019
    Publication date: December 3, 2020
    Applicant: DDM SYSTEMS, INC.
    Inventors: Suman DAS, John HALLORAN, Marvin KILGO
  • Publication number: 20200269322
    Abstract: Scanning Laser Epitaxy (SLE) is a layer-by-layer additive manufacturing process that allows for the fabrication of three-dimensional objects with specified microstructure through the controlled melting and re-solidification of a metal powders placed atop a base substrate. SLE can be used to repair single crystal (SX) turbine airfoils, for example, as well as the manufacture functionally graded turbine components. The SLE process is capable of creating equiaxed, directionally solidified, and SX structures. Real-time feedback control schemes based upon an offline model can be used both to create specified defect free microstructures and to improve the repeatability of the process. Control schemes can be used based upon temperature data feedback provided at high frame rate by a thermal imaging camera as well as a melt-pool viewing video microscope. A real-time control scheme can deliver the capability of creating engine ready net shape turbine components from raw powder material.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 27, 2020
    Applicant: Georgia Tech Research Corporation
    Inventors: Suman DAS, Rohan BANSAL, Justin GAMBONE
  • Patent number: 10639721
    Abstract: Scanning Laser Epitaxy (SLE) is a layer-by-layer additive manufacturing process that allows for the fabrication of three-dimensional objects with specified microstructure through the controlled melting and re-solidification of a metal powders placed atop a base substrate. SLE can be used to repair single crystal (SX) turbine airfoils, for example, as well as the manufacture functionally graded turbine components. The SLE process is capable of creating equiaxed, directionally solidified, and SX structures. Real-time feedback control schemes based upon an offline model can be used both to create specified defect free microstructures and to improve the repeatability of the process. Control schemes can be used based upon temperature data feedback provided at high frame rate by a thermal imaging camera as well as a melt-pool viewing video microscope. A real-time control scheme can deliver the capability of creating engine ready net shape turbine components from raw powder material.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: May 5, 2020
    Assignee: Georgia Tech Research Corporation
    Inventors: Suman Das, Rohan Bansal, Justin Gambone
  • Patent number: 10336055
    Abstract: Systems and methods for fabricating three-dimensional objects. The system includes an optical imaging system providing a light source; a photosensitive medium adapted to change states upon exposure to a portion of the light source from the optical imaging system; a control system for controlling movement of the optical imaging system, wherein the optical imaging system moves continuously above the photosensitive medium. The method includes moving a maskless optical imaging system providing the light beam in a continuous sequence; presenting the light beam on a portion of the photosensitive medium; lowering a plate upon which the photosensitive medium resides; and applying a new layer of the photosensitive medium.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: July 2, 2019
    Assignee: Georgia Tech Research Corporation
    Inventors: Suman Das, Dajun Yuan, Anirudh Rudraraju, Paul Cilino
  • Publication number: 20190091988
    Abstract: A system including: a container for holding a photosensitive medium adapted to change states upon exposure to a light source; an optical imaging system, configured to move above the container holding the photosensitive medium, and having the light source; and a control system configured to: slice a digital model of a three-dimensional object into a slice having a cross section; generate a build cross section by filling a two-dimensional image with one or more copies of the cross section; add to the build cross section a conformal lattice to fill space in the build cross section around the one or more copies of the cross section; and control movement of the optical imaging system above the container to cure a portion of the photosensitive medium corresponding to the build cross section to produce a layer of a three-dimensional object.
    Type: Application
    Filed: August 27, 2018
    Publication date: March 28, 2019
    Inventors: Suman Das, Dajun Yuan, Anirudh Rudraraju, Paul Cilino
  • Patent number: 10057863
    Abstract: An apparatus, computer program, and method are provided for setting a power of a cell node based on cell node gradient information. Cell node gradient information is generated based on a multiple-codeword channel quality indicator (CQI), utilizing a multiple-input-multiple-output (MIMO)-capable cell node in a network configured for communicating with a plurality of MIMO-capable user equipment. Additionally, other cell node gradient information is received that is generated for a plurality of other MIMO-capable cell nodes. The generated cell node gradient information and the other cell node gradient information are processed. Further, a power of the MIMO-capable cell node is set, based on the processing.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: August 21, 2018
    Assignee: FUTUREWEI TECHNOLOGIES, INC.
    Inventors: Cornelius Dawid Janse van Rensburg, Shu-Shaw Wang, Azeem Ahmad, Chin Chiu, Igor Syromyatnikov, Hanli Wang, Suman Das
  • Publication number: 20180103442
    Abstract: An apparatus, computer program, and method are provided for setting a power of a cell node based on cell node gradient information. Cell node gradient information is generated based on a multiple-codeword channel quality indicator (CQI), utilizing a multiple-input-multiple-output (MIMO)-capable cell node in a network configured for communicating with a plurality of MIMO-capable user equipment. Additionally, other cell node gradient information is received that is generated for a plurality of other MIMO-capable cell nodes. The generated cell node gradient information and the other cell node gradient information are processed. Further, a power of the MIMO-capable cell node is set, based on the processing.
    Type: Application
    Filed: October 7, 2016
    Publication date: April 12, 2018
    Inventors: Cornelius Dawid Janse van Rensburg, Shu-Shaw Wang, Azeem Ahmad, Chin Chiu, Igor Syromyatnikov, Hanli Wang, Suman Das
  • Patent number: 9882960
    Abstract: Disclosed are various embodiments relating to a security framework for media playback. In one embodiment, a client device has a decryption module, a streaming module, and a playback module. The playback module may be configured to request media data from the streaming module and render the media data on an output device. The streaming module may be configured to obtain the media data from the decryption module by a request that specifies a size of the media data. The size may be dynamically determined based at least in part on an amount of available temporary data storage. The decryption module may be configured to decrypt a portion of an encrypted media file based at least in part on the specified size to produce the media data.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: January 30, 2018
    Inventors: Ramani Panchapakesan, Sivaji Koya, Anshuman Biswal, Suman Das
  • Publication number: 20170232516
    Abstract: Aspects of the disclosed technology include an additive manufacturing method including: applying a mixture of metal powder and a carrier agent to a substrate; removing a portion of the carrier agent from the applied mixture; and fusing the metal powder remaining in the applied mixture to the substrate.
    Type: Application
    Filed: February 13, 2017
    Publication date: August 17, 2017
    Inventors: Suman Das, Marvin Kilgo
  • Publication number: 20170182562
    Abstract: Scanning Laser Epitaxy (SLE) is a layer-by-layer additive manufacturing process that allows for the fabrication of three-dimensional objects with specified microstructure through the controlled melting and re-solidification of a metal powders placed atop a base substrate. SLE can be used to repair single crystal (SX) turbine airfoils, for example, as well as the manufacture functionally graded turbine components. The SLE process is capable of creating equiaxed, directionally solidified, and SX structures. Real-time feedback control schemes based upon an offline model can be used both to create specified defect free microstructures and to improve the repeatability of the process. Control schemes can be used based upon temperature data feedback provided at high frame rate by a thermal imaging camera as well as a melt-pool viewing video microscope. A real-time control scheme can deliver the capability of creating engine ready net shape turbine components from raw powder material.
    Type: Application
    Filed: December 16, 2016
    Publication date: June 29, 2017
    Inventors: Suman DAS, Rohan BANSAL, Justin GAMBONE
  • Publication number: 20170136708
    Abstract: Systems and methods for fabricating three-dimensional objects. The system includes an optical imaging system providing a light source; a photosensitive medium adapted to change states upon exposure to a portion of the light source from the optical imaging system; a control system for controlling movement of the optical imaging system, wherein the optical imaging system moves continuously above the photosensitive medium. The method includes moving a maskless optical imaging system providing the light beam in a continuous sequence; presenting the light beam on a portion of the photosensitive medium; lowering a plate upon which the photosensitive medium resides; and applying a new layer of the photosensitive medium.
    Type: Application
    Filed: January 30, 2017
    Publication date: May 18, 2017
    Inventors: Suman DAS, Dajun YUAN, Anirudh RUDRARAJU, Paul CILINO