Patents by Inventor Chien-Hsuan Han

Chien-Hsuan Han 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).

  • GASTRIC RETENTIVE EXTENDED-RELEASE DOSAGE FORMS COMPRISING COMBINATIONS OF A NON-OPIOID ANALGESIC AND AN OPIOID ANALGESIC
    Publication number: 20160206558
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Application
    Filed: March 30, 2016
    Publication date: July 21, 2016
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • PULSATILE GASTRIC RETENTIVE DOSAGE FORMS
    Publication number: 20160038411
    Abstract: Dosage forms for delayed and pulsed release of therapeutic agents into the stomach are described. The dosage forms are gastric retentive dosage forms that achieve release of the therapeutic agent into the stomach and upper gastrointestinal tract subsequent to administration of the dosage form. The dosage forms find particular use in administration of acid-labile active agents such as proton pump inhibitors, and in treating gastric acid secretion such as gastro-esophageal reflux disease (GERD) and nocturnal acid breakthrough (NAB).
    Type: Application
    Filed: August 27, 2015
    Publication date: February 11, 2016
    Inventors: Verne Earle Cowles, Sui Yuen Eddie Hou, Bret Berner, Chien-Hsuan Han, Ryan Douglas Fell, Chunhong Gu
  • GASTRIC RETENTIVE EXTENDED-RELEASE DOSAGE FORMS COMPRISING COMBINATIONS OF A NON-OPIOID ANALGESIC AND AN OPIOID ANALGESIC
    Publication number: 20140186440
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Application
    Filed: March 4, 2014
    Publication date: July 3, 2014
    Applicant: Depomed, Inc.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic
    Patent number: 8668929
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: March 11, 2014
    Assignee: Depomed, Inc.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic
    Patent number: 8394408
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: March 12, 2013
    Assignee: Depomed, Inc.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic
    Patent number: 8377453
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: February 19, 2013
    Assignee: Depomed, Inc.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic
    Patent number: 8372432
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: February 12, 2013
    Assignee: Depomed, Inc.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • GASTRIC RETENTIVE EXTENDED-RELEASE DOSAGE FORMS COMPRISING COMBINATIONS OF A NON-OPIOID ANALGESIC AND AN OPIOID ANALGESIC
    Publication number: 20120321713
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Application
    Filed: June 21, 2012
    Publication date: December 20, 2012
    Applicant: DEPOMED, INC.
    Inventors: CHIEN-HSUAN HAN, Sui Yuen Eddie Hou, Monica L. Reid
  • GASTRIC RETENTIVE EXTENDED-RELEASE DOSAGE FORMS COMPRISING COMBINATIONS OF A NON-OPIOID ANALGESIC AND AN OPIOID ANALGESIC
    Publication number: 20120136022
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Application
    Filed: January 27, 2012
    Publication date: May 31, 2012
    Applicant: DEPOMED, INC.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • Pharmaceutical dosage forms having immediate release and/or controlled release properties
    Patent number: 8007827
    Abstract: The present invention relates generally to pharmaceutical dosage forms comprising: an absorption window active agent; a controlled release component comprising enteric-coated controlled release beads, wherein the enteric-coated release beads comprise at least two pH-sensitive polymer layers. The controlled-release dosage forms provide good bioavailability of absorption window active agents.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: August 30, 2011
    Assignee: Impax Laboratories, Inc.
    Inventors: Chien-Hsuan Han, Larry Hsu, Ann F. Hsu
  • GASTRIC RETENTIVE PHARMACEUTICAL COMPOSITIONS FOR IMMEDIATE AND EXTENDED RELEASE OF LEVOSULPIRIDE
    Publication number: 20110052700
    Abstract: Gastric retentive oral dosage forms which provide both immediate and extended release of levosulpiride are described which may allow once- or twice-daily dosing. Methods of treatment using the dosage forms and methods of making the dosage forms are also described.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 3, 2011
    Applicant: DEPOMED, INC.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Chunhong Gu
  • Gastric Retentive Extended-Release Dosage Forms Comprising Combinations of a Non-Opioid Analgesic and an Opioid Analgesic
    Publication number: 20100196474
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Application
    Filed: December 22, 2009
    Publication date: August 5, 2010
    Applicant: Depomed, Inc.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • GASTRIC RETENTIVE EXTENDED-RELEASE DOSAGE FORMS COMPRISING COMBINATIONS OF A NON-OPIOID ANALGESIC AND AN OPIOID ANALGESIC
    Publication number: 20100015222
    Abstract: Compositions and methods for the treatment of pain in a mammal are described. More specifically, a dosage form designed for release of acetaminophen and an opioid is described, wherein the dosage form provides delivery of the drugs to the upper gastrointestinal tract (“GI”) of a mammal for an extended period of time.
    Type: Application
    Filed: March 11, 2009
    Publication date: January 21, 2010
    Applicant: Depomed, Inc.
    Inventors: Chien-Hsuan Han, Sui Yuen Eddie Hou, Monica L. Reid
  • Combination immediate release controlled release levodopa/carbidopa dosage forms
    Patent number: 7094427
    Abstract: The present invention relates to dosage forms of a combination of carbidopa and levodopa comprising both immediate release and controlled release components for the treatment of ailments associated with depleted amounts of dopamine in a patient's brain tissue.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: August 22, 2006
    Assignee: Impax Laboratories, Inc.
    Inventors: Chien-Hsuan Han, Larry Hsu, Ann F. Hsu
  • Pharmaceutical dosage forms having immediate release and/or controlled release properties
    Publication number: 20060057197
    Abstract: The present invention relates generally to pharmaceutical dosage forms comprising: an absorption window active agent; a controlled release component comprising enteric-coated controlled release beads, wherein the enteric-coated release beads comprise at least two pH-sensitive polymer layers. The controlled-release dosage forms provide good bioavailability of absorption window active agents.
    Type: Application
    Filed: September 30, 2005
    Publication date: March 16, 2006
    Inventors: Chien-Hsuan Han, Larry Hsu, Ann Hsu
  • Combination immediate release controlled release levodopa/carbidopa dosage forms
    Publication number: 20060013875
    Abstract: The present invention relates to pharmaceutical dosage forms of a combination of carbidopa and levodopa comprising both immediate release and controlled release components for the treatment of ailments associated with depleted amounts of dopamine in a patient's brain tissue, which dosage forms display no food effect or at least substantially avoid the food effect, and a related method of treatment for a patient in which the bioavailability of levodopa under non-fasting conditions is equivalent to the bioavailability under fasting conditions.
    Type: Application
    Filed: August 2, 2005
    Publication date: January 19, 2006
    Inventors: Chien-Hsuan Han, Ann Hsu, Larry Hsu
  • Pharmaceutical dosage forms having immediate release and/or controlled release properties that contain a GABAB receptor agonist
    Publication number: 20050226927
    Abstract: The present invention relates generally to pharmaceutical dosage forms having immediate release and controlled release properties that contain a ?-aminobutyric acid (GABAB) receptor agonist, e.g., baclofen, for the treatment of medical conditions, which includes spasms, cramping, and tightness of muscles, associated with ailments such as multiple sclerosis or certain spinal injuries.
    Type: Application
    Filed: May 26, 2005
    Publication date: October 13, 2005
    Inventors: Chien-Hsuan Han, Ann Hsu, Larry Hsu, Charles Hsiao, Ching-Ling Teng
  • Pharmaceutical dosage forms having controlled release properties that contain a GABAB receptor agonist
    Publication number: 20050220863
    Abstract: The present invention relates generally to pharmaceutical dosage forms having immediate release and controlled release properties that contain a ?-aminobutyric acid (GABAB) receptor agonist, e.g., baclofen, for the treatment of medical conditions, which includes spasms, cramping, and tightness of muscles, associated with ailments such as multiple sclerosis or certain spinal injuries.
    Type: Application
    Filed: April 2, 2004
    Publication date: October 6, 2005
    Inventors: Chien-Hsuan Han, Ann Hsu, Larry Hsu, Charles Hsiao, Ching-Ling Teng
  • Pharmaceutical dosage forms having immediate release and controlled release properties that contain a GABAB receptor agonist
    Publication number: 20050220874
    Abstract: The present invention relates generally to pharmaceutical dosage forms having immediate release and controlled release properties that contain a ?-aminobutyric acid (GABAB) receptor agonist, e.g., baclofen, for the treatment of medical conditions, which includes spasms, cramping, and tightness of muscles, associated with ailments such as multiple sclerosis or certain spinal injuries.
    Type: Application
    Filed: April 2, 2004
    Publication date: October 6, 2005
    Inventors: Chien-Hsuan Han, Ann Hsu, Larry Hsu, Charles Hsiao, Ching-Ling Teng
  • Pharmaceutical dosage forms having immediate and controlled release properties that contain a GABAB receptor agonist
    Publication number: 20050220873
    Abstract: The present invention relates generally to pharmaceutical dosage forms having immediate release and controlled release properties that contain a ?-aminobutyric acid (GABAB) receptor agonist, e.g., baclofen, for the treatment of medical conditions, which includes spasms, cramping, and tightness of muscles, associated with ailments such as multiple sclerosis or certain spinal injuries.
    Type: Application
    Filed: April 2, 2004
    Publication date: October 6, 2005
    Inventors: Chien-Hsuan Han, Ann Hsu, Larry Hsu, Charles Hsiao, Ching-Ling Teng