Patents by Inventor Mainak Das

Mainak 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: 20220398598
    Abstract: Embodiments described herein are generally directed to use of a chatbot to identify a customer-specified product support issue and provide appropriate troubleshooting guidance. According to an example, free text input describing an issue associated with a product line of a vendor is received from a user via a chatbot. A vector representation of the issue is created by tokenizing and vectorizing the free text input using a word association model corresponding to the product line. It is determined whether the issue matches at least one category within multiple issue categories for the product line by performing similarity scoring between the vector representation and multiple vectors created based on top words per issue category of the multiple issue categories. Responsive to an affirmative determination, an automated, interactive, conversational troubleshooting dialog is initiated with the user via the chatbot and guided based on a decision tree for the at least one category.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 15, 2022
    Inventors: Mainak Das, Sean Charles Lennon, Salman Mumin Ahmed, Richard Shelby Dunlap
  • Publication number: 20220309250
    Abstract: Embodiments described herein are generally directed to training of classification models and their use by a chatbot to identify a customer-specified product support issue and provide appropriate troubleshooting guidance. According to an example, text describing an issue associated with a product line of a vendor is received via the chatbot. A vector representation of the issue is created using a word association model corresponding to the product line and trained based on a set of historical support cases relating to multiple supported issue categories for the product line. It is determined whether the issue matches a category within the supported issue categories for the product line by applying a classification model to the vector representation. When the determination is affirmative, an automated, interactive, conversational troubleshooting dialog is initiated with the user via the chatbot and guided based on a decision tree for the category within the product line.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 29, 2022
    Inventors: Mainak Das, Sean Charles Lennon, Salman Mumin Ahmed, Richard Shelby Dunlap
  • Patent number: 10266804
    Abstract: The invention provides a method of co-culturing mammalian muscle cells and mammalian motoneurons. The method comprises preparing one or more carriers coated with a covalently bonded monolayer of trimethoxysilylpropyl diethylenetriamine (DETA); suspending isolated fetal mammalian skeletal muscle cells in serum-free medium according to medium composition 1; suspending isolated fetal mammalian spinal motoneurons in serum-free medium according to medium composition 1; plating the suspended muscle cells onto the one or more carriers at a predetermined density and allowing the muscle cells to attach; plating the suspended motoneurons at a predetermined density onto the one or more carriers and allowing the motoneurons to attach; covering the one or more carriers with a mixture of medium composition 1 and medium composition 2; and incubating the carriers covered in the media mixture.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: April 23, 2019
    Assignee: University of Central Florida Research Foundation, Inc.
    Inventors: James Hickman, Mainak Das
  • Patent number: 10160953
    Abstract: The invention provides a nutrient medium composition and associated methods for lengthening the useful life of a culture of muscle cells. Disclosed is a method of culturing mammalian muscle cells, including preparing one or more carriers coated with a covalently bonded monolayer of trimethoxy-silylpropyl-diethylenetriamine (DETA); verifying DETA monolayer formation by one or more associated optical parameters; suspending isolated fetal rat skeletal muscle cells in serum-free medium according to medium composition 1; plating the suspended cells onto the prepared carriers at a predetermined density; leaving the carriers undisturbed for cells to adhere to the DETA monolayer; covering the carriers with a mixture of medium 1 and medium 2; and incubating.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: December 25, 2018
    Assignee: University of Central Florida Research Foundation, Inc.
    Inventors: James J. Hickman, Mainak Das, John W. Rumsey
  • Publication number: 20170313980
    Abstract: The invention provides a method of co-culturing mammalian muscle cells and mammalian motoneurons. The method comprises preparing one or more carriers coated with a covalently bonded monolayer of trimethoxysilylpropyl diethylenetriamine (DETA); suspending isolated fetal mammalian skeletal muscle cells in serum-free medium according to medium composition 1; suspending isolated fetal mammalian spinal motoneurons in serum-free medium according to medium composition 1; plating the suspended muscle cells onto the one or more carriers at a predetermined density and allowing the muscle cells to attach; plating the suspended motoneurons at a predetermined density onto the one or more carriers and allowing the motoneurons to attach; covering the one or more carriers with a mixture of medium composition 1 and medium composition 2; and incubating the carriers covered in the media mixture.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 2, 2017
    Inventors: James Hickman, Mainak Das
  • Patent number: 9650606
    Abstract: The invention provides a method of co-culturing mammalian muscle cells and mammalian motoneurons. The method comprises preparing one or more carriers coated with a covalently bonded monolayer of trimethoxysilylpropyl diethylenetriamine (DETA); suspending isolated fetal mammalian skeletal muscle cells in serum-free medium according to medium composition 1; suspending isolated fetal mammalian spinal motoneurons in serum-free medium according to medium composition 1; plating the suspended muscle cells onto the one or more carriers at a predetermined density and allowing the muscle cells to attach; plating the suspended motoneurons at a predetermined density onto the one or more carriers and allowing the motoneurons to attach; covering the one or more carriers with a mixture of medium composition 1 and medium composition 2; and incubating the carriers covered in the media mixture.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: May 16, 2017
    Assignee: University of Central Florida Research Foundation, Inc.
    Inventors: James Hickman, Mainak Das
  • Publication number: 20160068812
    Abstract: The invention provides a nutrient medium composition and associated methods for lengthening the useful life of a culture of muscle cells. Disclosed is a method of culturing mammalian muscle cells, including preparing one or more carriers coated with a covalently bonded monolayer of trimethoxy-silylpropyl-diethylenetriamine (DETA); verifying DETA monolayer formation by one or more associated optical parameters; suspending isolated fetal rat skeletal muscle cells in serum-free medium according to medium composition 1; plating the suspended cells onto the prepared carriers at a predetermined density; leaving the carriers undisturbed for cells to adhere to the DETA monolayer; covering the carriers with a mixture of medium 1 and medium 2; and incubating.
    Type: Application
    Filed: October 19, 2015
    Publication date: March 10, 2016
    Inventors: James J. Hickman, Mainak Das, John W. Rumsey
  • Patent number: 9163216
    Abstract: The invention provides a nutrient medium composition and associated methods for lengthening the useful life of a culture of muscle cells. Disclosed is a method of culturing mammalian muscle cells, including preparing one or more carriers coated with a covalently bonded monolayer of trimethoxy-silylpropyl-diethylenetriamine (DETA); verifying DETA monolayer formation by one or more associated optical parameters; suspending isolated fetal rat skeletal muscle cells in serum-free medium according to medium composition 1; plating the suspended cells onto the prepared carriers at a predetermined density; leaving the carriers undisturbed for cells to adhere to the DETA monolayer; covering the carriers with a mixture of medium 1 and medium 2; and incubating.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: October 20, 2015
    Assignee: University of Central Florida Research Foundation, Inc.
    Inventors: James J. Hickman, Mainak Das, John W. Rumsey
  • Publication number: 20140302599
    Abstract: The invention provides a method of co-culturing mammalian muscle cells and mammalian motoneurons. The method comprises preparing one or more carriers coated with a covalently bonded monolayer of trimethoxysilylpropyl diethylenetriamine (DETA); suspending isolated fetal mammalian skeletal muscle cells in serum-free medium according to medium composition 1; suspending isolated fetal mammalian spinal motoneurons in serum-free medium according to medium composition 1; plating the suspended muscle cells onto the one or more carriers at a predetermined density and allowing the muscle cells to attach; plating the suspended motoneurons at a predetermined density onto the one or more carriers and allowing the motoneurons to attach; covering the one or more carriers with a mixture of medium composition 1 and medium composition 2; and incubating the carriers covered in the media mixture.
    Type: Application
    Filed: June 9, 2014
    Publication date: October 9, 2014
    Applicant: UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
    Inventors: James Hickman, Mainak DAS
  • Patent number: 8815584
    Abstract: The invention provides a method of co-culturing mammalian muscle cells and mammalian motoneurons. The method comprises preparing one or more carriers coated with a covalently bonded monolayer of trimethoxysilylpropyl diethylenetriamine (DETA); suspending isolated fetal mammalian skeletal muscle cells in serum-free medium according to medium composition 1; suspending isolated fetal mammalian spinal motoneurons in serum-free medium according to medium composition 1; plating the suspended muscle cells onto the one or more carriers at a predetermined density and allowing the muscle cells to attach; plating the suspended motoneurons at a predetermined density onto the one or more carriers and allowing the motoneurons to attach; covering the one or more carriers with a mixture of medium composition 1 and medium composition 2; and incubating the carriers covered in the media mixture.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: August 26, 2014
    Assignee: University of Central Florida Research Foundation, Inc.
    Inventors: James J. Hickman, Mainak Das