Patents by Inventor Stephen S. Hwang

Stephen S. Hwang 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).

  • Once-A-Day Replacement Transdermal Administration Of Fentanyl
    Publication number: 20190022026
    Abstract: A method and a daily replacement patch for transdermally administering an opioid for analgesic effect. The patch is applied to a subject to deliver the opioid through the skin. The patch may be replaced daily and over an extended period of time.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 24, 2019
    Inventors: Stephen S. Hwang, Robert M. Gale
  • ONCE-A-DAY REPLACEMENT TRANSDERMAL ADMINISTRATION OF FENTANYL
    Publication number: 20170105944
    Abstract: A method and a daily replacement patch for transdermal administering an opioid for analgesic effect. The patch is applied to a subject to deliver the opioid through the skin. The patch may be replaced dally and over an extended period of time.
    Type: Application
    Filed: December 23, 2016
    Publication date: April 20, 2017
    Inventors: Stephen S. Hwang, Robert M. Gale
  • ONCE-A-DAY REPLACEMENT TRANSDERMAL ADMINISTRATION OF FENTANYL
    Publication number: 20090258061
    Abstract: A method and a daily replacement patch for transdermally administering an opioid for analgesic effect. The patch is applied to a subject to deliver the opioid through the skin. The patch may be replaced daily and over an extended period of time.
    Type: Application
    Filed: October 15, 2008
    Publication date: October 15, 2009
    Applicant: JOHNSON & JOHNSON
    Inventors: Stephen S. Hwang, Robert M. Gale
  • Electrotransport Of Lisuride
    Publication number: 20090105632
    Abstract: An electrotransport system for delivery of lisuride or a pharmaceutically acceptable salt thereof. The system has a donor electrode assembly, a counter electrode assembly, and a controller electrically connected to the donor electrode assembly and the counter electrode assembly. The donor electrode assembly has a donor reservoir that contains a lisuride salt. The controller is electrically connected to the donor and counter electrode assemblies and is operatable for controlling current for the electrotransport.
    Type: Application
    Filed: October 7, 2008
    Publication date: April 23, 2009
    Inventors: Rama V. Padmanabhan, Joseph B. Phipps, Janardhanan Anand Subramony, Stephen S. Hwang
  • Mixing system for an active agent delivery device
    Patent number: 6572582
    Abstract: The present invention is directed to a mixing system for an active agent delivery device. The device comprises an elongate tubular member having first and second ends and a mixing system. The mixing system enables the entire dose of active agent to be entrained in a liquid. In use, liquid is drawn into the first end of the device, the mixing system mixes the liquid and active agent within the device and the active agent entrained in the liquid is drawn out of the second end of the member and into the patient's mouth.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: June 3, 2003
    Assignee: Alza Corporation
    Inventors: Patrick S. L. Wong, Stephen S. Hwang, Vincent J. Ferrari
  • Mixing system for an active agent delivery device
    Patent number: 6024721
    Abstract: The present invention is directed to a mixing system for an active agent delivery device. The device comprises an elongate tubular member having first and second ends and a mixing system. The mixing system enables the entire dose of active agent to be entrained in a liquid. In use, liquid is drawn into the first end of the device, the mixing system mixes the liquid and active agent within the device and the active agent entrained in the liquid is drawn out of the second end of the member and into the patient's mouth.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: February 15, 2000
    Assignee: ALZA Corporation
    Inventors: Patrick S.-L. Wong, Stephen S. Hwang, Vincent J. Ferrari