Patents by Inventor James C. Leung

James C. Leung 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: 20240398594
    Abstract: Novel tools and techniques are provided for implementing protection of at least one tissue layer of a medical device or implant during crimping of the medical device or implant. In various embodiments, an implant tissue protection tool may include an outer portion configured to surround one or more outer segments of at least one tissue layer of a medical device to be implanted into a body of a subject and at least one protrusion (which may be affixed to a surface of the outer portion) configured to minimize or prevent occurrence (or likelihood of occurrence) of the at least one tissue layer (in some cases, leaflet material, or the like) of the medical device passing through at least one opening defined by a frame structure of the medical device during crimping of the medical device by a crimping device in preparation for implantation into the body of the subject.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Inventors: Victoria Ung, James E. Mitchell, Philip C. Leung, Justin R. Peterson, Priyanka Ganesh, Nirav P. Patel, Karl L. Olney, Veronica Woen, Kshitija P. Garde
  • Patent number: 12064362
    Abstract: Novel tools and techniques are provided for implementing protection of at least one tissue layer of a medical device or implant during crimping of the medical device or implant. In various embodiments, an implant tissue protection tool may include an outer portion configured to surround one or more outer segments of at least one tissue layer of a medical device to be implanted into a body of a subject and at least one protrusion (which may be affixed to a surface of the outer portion) configured to minimize or prevent occurrence (or likelihood of occurrence) of the at least one tissue layer (in some cases, leaflet material, or the like) of the medical device passing through at least one opening defined by a frame structure of the medical device during crimping of the medical device by a crimping device in preparation for implantation into the body of the subject.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: August 20, 2024
    Assignee: Medtronic, Inc.
    Inventors: Victoria Ung, James E. Mitchell, Kshitija P. Garde, Philip C. Leung, Justin R. Peterson, Priyanka Ganesh, Nirav P. Patel, Karl L. Olney, Veronica Woen
  • Publication number: 20240257900
    Abstract: The disclosure provides systems and methods for data analysis of experimental data. The analysis can include reference data that are not directly generated from the present experiment, which reference data may be values of the experimental parameters that were either provided by a user, computed by the system with input from a user, or computed by the system without using any input from a user. Another example of such reference data may be information about the instrument, such as the calibration method of the instrument.
    Type: Application
    Filed: April 8, 2024
    Publication date: August 1, 2024
    Inventors: Alex M. Yoshikawa, Anand V. Sastry, Asuka Ota, Ben C. Kline, Bradley M. Bond, Brian M. Frezza, Cameron R. Lamoureux, Catherine L. Hofler, Cheri Y. Li, Courtney E. Webster, Daniel J. Kleinbaum, George N. Stanley, George W. Fraser, Guillaume Robichaud, Hayley E. Buchman, James R. McKernan, Jonathan K. Leung, Paul R. Zurek, Robert M. Teed, Ruben E. Valas, Sean M. Fitzgerald, Sergio I. Villarreal, Shayna L. Hilburg, Shivani S. Baisiwala, Srikant Vaithilingam, Wyatt J. Woodson, Yang Choo, Yidan Y. Cong
  • Patent number: 6791688
    Abstract: The invention provides systems and methods for analyzing mixtures and, particularly during processing of the mixtures. The invention provides systems and methods for analyzing mixtures and, particularly, for analyzing mixtures during processing. The methods and systems utilize fluorescence to non-invasively analyze one or more components of the mixture. The analysis may provide a variety of compositional information such as the chemical identity of components, the concentration of components, the uniformity of the mixture and other information. A number of different types of processing equipment can be configured to provide the analysis and, accordingly, the analysis may be performed during a number of processing operations. The system and methods are particularly useful in processing mixtures which are preferably homogeneous blends, such as pharmaceutical products.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: September 14, 2004
    Assignee: Massachusetts Institute of Technology
    Inventors: Chee Kong Lai, Charles Cooney, James C. Leung, David P. Hoult, Peter Hanson, G. K. Raju
  • Publication number: 20030063279
    Abstract: The invention provides systems and methods for analyzing mixtures and, particularly during processing of the mixtures. The invention provides systems and methods for analyzing mixtures and, particularly, for analyzing mixtures during processing. The methods and systems utilize fluorescence to non-invasively analyze one or more components of the mixture. The analysis may provide a variety of compositional information such as the chemical identity of components, the concentration of components, the uniformity of the mixture and other information. A number of different types of processing equipment can be configured to provide the analysis and, accordingly, the analysis may be performed during a number of processing operations. The system and methods are particularly useful in processing mixtures which are preferably homogeneous blends, such as pharmaceutical products.
    Type: Application
    Filed: April 19, 2002
    Publication date: April 3, 2003
    Inventors: Chee Kong Lai, Charles Cooney, James C. Leung, David P. Hoult, Peter Hansen, G. K. Raju