Patents by Inventor Hung-Chih Chang

Hung-Chih 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: 20110057525
    Abstract: A one-way pulley for an alternator assembly includes an outer wheel, a clutch assembly, and a spindle. The outer wheel includes an axial hole extending longitudinally therethrough, whereby the axial hole forms an inner surface of the outer wheel. The clutch assembly is disposed within the axial hole of the outer wheel and includes a housing with an outer surface for contacting the inner surface of the outer wheel, and a plurality of rolling elements operable to extend into a pivot hole. The spindle is disposed within the pivot hole of the clutch assembly, the spindle having an outer surface for contacting the plurality of rolling elements and a coupling portion for connecting to a rotor shaft. The outer surface of the clutch assembly housing is fixedly attached to the inner surface of the outer wheel.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Applicant: Victory Industrial Corporation
    Inventors: Hung-Chih CHANG, Siu-En Liu
  • Patent number: 6942884
    Abstract: An enzyme-containing beverage has various types of enzymes and basically has fermentation fluid obtained form fermented vegetables and fruits and fermented pine extract, and optionally further having fermented extract from a paper-mulberry tree. A method produces the enzyme beverage for fermenting the raw materials (vegetables, fruits, pine extract, and paper-mulberry extract).
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: September 13, 2005
    Inventor: Hung-Chih Chang
  • Publication number: 20040180114
    Abstract: An enzyme-contained beverage in accordance with the present invention has various types of enzymes and basically consists of fermentation fluid obtained form fermented vegetables and fruits and fermented pine extract, and optionally further consisting of fermented extract from a paper-mulberry tree. A method for producing the enzyme beverage for fermenting the raw materials (vegetables, fruits, pine abstract, and paper-mulberry abstract) is presented.
    Type: Application
    Filed: March 13, 2003
    Publication date: September 16, 2004
    Inventor: Hung-Chih Chang
  • Publication number: 20040052836
    Abstract: The present invention relates to pharmaceutical compositions that contain at least one liposphere that is being used as a drug delivery vehicles to deliver at least one compound to a patient in need of treatment.
    Type: Application
    Filed: October 25, 2002
    Publication date: March 18, 2004
    Inventors: Luk Chiu Li, Hung-Chih Chang, Siriporn Toongsuwan, Lihua Zhu, Bryan K. Erickson
  • Patent number: 6197344
    Abstract: Controlled, sustained release formulations of butorphanol are provided. Such formulations can be an aqueous suspension of butorphanol freebase or an oil suspension of a butorphanol salt. Processes for using such formulations to provide long term analgesia are also provided.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: March 6, 2001
    Assignee: Abbott Laboratories
    Inventors: Hung-Chih Chang, Lukchiu Li, Youqin Tian