Patents by Inventor Hsing-Wen Sung

Hsing-Wen Sung 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: 20120258176
    Abstract: The invention discloses particulate complexes composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein equal moles of the positively charged chitosan and the negatively charged poly-glutamic acid substrate form an electrostatic network enabling improved loading the bioactive agent.
    Type: Application
    Filed: May 7, 2012
    Publication date: October 11, 2012
    Inventors: Hsing-Wen Sung, Zi-Xian Liao, Shu-Fen Peng, Hosheng Tu
  • Patent number: 8283317
    Abstract: The invention discloses particulate complexes composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein equal moles of the positively charged chitosan and the negatively charged poly-glutamic acid substrate form an electrostatic network enabling improved loading the bioactive agent.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: October 9, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Zi-Xian Liao, Shu-Fen Peng, Hosheng Tu
  • Patent number: 8257740
    Abstract: The invention discloses a composition of chitosan-shelled nanoparticles and methods of manufacturing. The chitosan-shelled nanoparticles are characterized with a positive surface charge and enhanced epithelial ermeability for oral drug delivery.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: September 4, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Hosheng Tu
  • Publication number: 20120207845
    Abstract: The invention relates to a method for treating disorders or diseases of a tight junction comprising delivering a pharmaceutical composition of nanoparticles to the tight junction, wherein the nanoparticles consist of positively charged chitosan, a negatively charged substrate, optionally a zero-charge compound, and at least one bioactive agent for treating said disorders or diseases of the tight junction of an animal subject.
    Type: Application
    Filed: April 23, 2012
    Publication date: August 16, 2012
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8236281
    Abstract: The invention relates to a pharmaceutical composition of nanoparticles, wherein the nanoparticles comprise positively charged chitosan, a negatively charged substrate, optionally a zero-charge compound, and at least one bioactive agent for treating diabetes of an animal subject.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: August 7, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Hosheng Tu
  • Patent number: 8236752
    Abstract: The invention relates to a method for treating disorders or diseases of a tight junction comprising delivering a pharmaceutical composition of nanoparticles to the tight junction, wherein the nanoparticles consist of positively charged chitosan, a negatively charged substrate, optionally a zero-charge compound, and at least one bioactive agent for treating said disorders or diseases of the tight junction of an animal subject.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: August 7, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8226928
    Abstract: The invention discloses nanoparticles composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein the bioactive agent may include mitofusin 1, mitofusin 2, and/or anti-diabetic compounds.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: July 24, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Ha Giang Thi Nguyen, Fang Yi Su, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8221795
    Abstract: The invention relates to a method of managing a tumor of an animal subject comprising imaging the tumor by delivering a dosage of imaging nanoparticles to the tumor site, the imaging nanoparticles consisting of positively charged chitosan, optionally a zero-charge substance or bioactive agent, and a negatively charged substrate having gadolinium (Gd) chelated to the negatively charged substrate.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: July 17, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8202839
    Abstract: The invention discloses a pharmaceutical composition of bioactive nanoparticles composed of chitosan, poly-glutamic acid, and a bioactive agent for oral delivery. The chitosan-based nanoparticles are characterized with a positive surface charge and enhanced permeability for oral drug delivery.
    Type: Grant
    Filed: January 7, 2012
    Date of Patent: June 19, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8202508
    Abstract: The invention discloses a pharmaceutical composition of bioactive nanoparticles composed of chitosan, poly-glutamic acid, and a bioactive agent for oral delivery. The chitosan-based nanoparticles are characterized with a positive surface charge and enhanced permeability for oral drug delivery.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: June 19, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8198246
    Abstract: The invention discloses a pharmaceutical composition of liposome nanoparticles for lodging in a target tissue cell in situ of an animal subject, the nanoparticles comprising at least one thermal triggered phase-transition compound as a targeting drug delivery system for physical cancer therapy.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: June 12, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Hosheng Tu
  • Patent number: 8192718
    Abstract: The invention relates to a method for treating disorders or diseases of a tight junction comprising delivering a pharmaceutical composition of nanoparticles to the tight junction, wherein the nanoparticles consist of positively charged chitosan, a negatively charged substrate, optionally a zero-charge compound, and at least one bioactive agent for treating said disorders or diseases of the tight junction of an animal subject.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: June 5, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Er-Yuan Chuang, Hosheng Tu
  • Patent number: 8187571
    Abstract: The invention discloses a pharmaceutical composition of nanoparticles, wherein each nanoparticle comprises N-palmitoyl chitosan that is conjugated with at least two different moieties, the moieties including a donor moiety and an acceptor moiety having a distance of 10 nm or less enabling Förster resonance energy transfer.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: May 29, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Hosheng Tu
  • Patent number: 8188042
    Abstract: The invention discloses bioactive nanoparticles composed of chitosan, poly-glutamic acid, and diethylenetriaminepentaacetic acid for use in radionuclide decorporation during radiological emergency. The chitosan-based nanoparticles are characterized with a positive surface charge and enhanced permeability for oral drug delivery.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: May 29, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Hosheng Tu
  • Patent number: 8187570
    Abstract: The invention discloses particulate complexes composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein equal moles of the positively charged chitosan and the negatively charged poly-glutamic acid substrate form an electrostatic network enabling improved loading the bioactive agent.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: May 29, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Zi-Xian Liao, Shu-Fen Peng, Hosheng Tu
  • Publication number: 20120121701
    Abstract: The invention relates to a method of co-administering a peptide or protein drug with an enzyme-resistant PGA-complexone compound orally so to mitigate enzyme attack in the gastrointestinal tract of an animal subject.
    Type: Application
    Filed: December 13, 2011
    Publication date: May 17, 2012
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Hosheng Tu
  • Patent number: 8173106
    Abstract: The invention relates to a method of co-administering a peptide or protein drug with an enzyme-resistant PGA-complexone compound orally so to mitigate enzyme attack in the gastrointestinal tract of an animal subject.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: May 8, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Hosheng Tu
  • Patent number: 8153153
    Abstract: The invention discloses nanoparticles composed of chitosan, poly-glutamic acid, and at least one bioactive agent, wherein equal moles of the positively charged chitosan and the negatively charged poly-glutamic acid substrate form an electrostatic network with zero surface charge enabling improved loading the bioactive agent.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: April 10, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Hosheng Tu
  • Patent number: 8137697
    Abstract: The invention discloses the biodegradable nanoparticle for use in nanoparticle projectile bombardment as a carrier for administering nucleic acid, DNA, RNA or siRNAs transdermally to an animal subject. The nanoparticles are composed of positively charged chitosan substrate and the nucleic acid encapsulated within the nanoparticles or electrostatically loaded on the exterior surface of the nanoparticles.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: March 20, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Mei-Chin Chen, Po-Wei Lee, Hosheng Tu
  • Patent number: 8119102
    Abstract: The invention discloses a pharmaceutical composition of bioactive nanoparticles composed of chitosan, poly-glutamic acid, and a bioactive agent for oral delivery. The chitosan-based nanoparticles are characterized with a positive surface charge and enhanced permeability for oral drug delivery.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: February 21, 2012
    Assignees: GP Medical, Inc., National Tsing Hua University
    Inventors: Hsing-Wen Sung, Kiran Sonaje, Ho-Ngoc Nguyen, Hosheng Tu