Patents by Inventor Joyce Chang

Joyce Chang 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: 20210149010
    Abstract: A fitness tracking system includes a receiver to obtain geolocation data. A method is used to determine the quality of the geolocation data by analyzing the dispersion of the geolocation coordinates during the user fitness activity. The geolocation data is used for calculating exercise metrics and displaying fitness activity when the geolocation data quality satisfies the data quality criteria.
    Type: Application
    Filed: November 18, 2019
    Publication date: May 20, 2021
    Applicant: Under Armour, Inc.
    Inventors: Grant Kovach, Adam Reevesman, Meng-Ting (Joyce) Chang, Michael Mazzoleni, Jeffrey Allen
  • Patent number: 5920867
    Abstract: A data management system for file and database management including a design control system suitable for use in connection with the design of integrated circuits and other elements of manufacture having many parts which need to be developed in a concurrent engineering environment with inputs provided by users and or systems which may be located anywhere in the world providing a set of control information for coordinating movement of the design information through development and to release while providing dynamic tracking of the status of elements of the bills of materials in an integrated and coordinated activity control system utilizing a control repository which can be implemented in the form of a database (relational, object oriented, etc.) or using a flat file system.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: July 6, 1999
    Assignee: International Business Machines Corporation
    Inventors: Gary Alan Van Huben, Joseph Lawrence Mueller, Joyce Chang Mak
  • Patent number: 5826265
    Abstract: A design control system suitable for use in connection with the design of integrated circuits and other elements of manufacture having many parts which need to be developed in a concurrent engineering environment with inputs provided by users and or systems which may be located anywhere in the world providing a set of control information for coordinating movement of the design information through development and to release while providing dynamic tracking of the status of elements of the bills of materials in an integrated and coordinated activity control system utilizing a repository which can be implemented in the form of a database (relational, object oriented, etc.) or using a flat file system. Once a model is created and/or identified by control information design libraries hold the actual pieces of the design under control of the system without limit to the number of libraries, and providing for tracking and hierarchical designs which are allowed to traverse through multiple libraries.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: October 20, 1998
    Assignee: International Business Machines Corporation
    Inventors: Gary Alan Van Huben, Joseph Lawrence Mueller, Steve Yun Xiao, Joyce Chang Mak
  • Patent number: 5517866
    Abstract: Devices are provided with enhanced rates of sampling in applications such as monitoring of environmental chemical exposure levels. Preferred embodiments include a small motor and power supply, such as a battery, to move an intake surface with respect to the environment, which embodiments may be used as personal monitors. Chemical species collected through the intake surface diffuse to a collector and the collector may be analyzed for concentration of chemical species.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: May 21, 1996
    Assignee: Assay Technology, Inc.
    Inventors: Charles R. Manning, Joyce Chang
  • Patent number: 5078853
    Abstract: A diagnostic device is provided where the preferred embodiment is useful for sorting seric or plasmatic lipoproteins into four cholesterol fractions. The device comprises a plurality of gel matrixes, preferably agarose-based, defining a liquid pathway upon which a directioinal electrophoretic gradient can be imposed. The gel matrixes are in a serial relationship and preferably are of a successively decreasing pore size from a most upstream matrix to a most downstream matrix. In a preferred embodiment the three more downstream gel matrixes are in a noncontiguous relationship and are separated by interfaces containing buffer. These interfaces are adapted to receive a separate lipoprotein fraction upon reversal of the electrophoretic gradient direction.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: January 7, 1992
    Assignee: Assay Technology, Inc.
    Inventors: Charles R. Manning, LeRoy J. Pinto, Joyce Chang