Patents by Inventor Ken Chang

Ken 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).

  • Patent number: 9314533
    Abstract: A series of peptides with divergent confirmations including structures of formula (1A), (1B), (2) and (3) are provided. In the formula, wherein U, G, A, B, R1, R2 and T are as defined in the specification. The divergent peptides disclosed in the present invention are characterized in a mineral binding affinity function.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: April 19, 2016
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng
  • Patent number: 9314503
    Abstract: The present invention relates to a hydrophilic drug and ?-tricalcium phosphate (?-TCP) coating on a surface area of biopolymer matrix to form a sustained release system. The present invention also provides a method for preparing a sustained release system, comprising providing a surface are of biopolymer matrix coated with a hydrophilic drug and ?-TCP.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: April 19, 2016
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Yin-Chin Fu, Chih-Kuang Wang, Gwo-Jaw Wang, Mei-Ling Ho, Je-Ken Chang, Cherng-Chyi Tzeng
  • Publication number: 20150329592
    Abstract: The present invention relates to a gold fluorescence resonance energy transfer nanoprobe comprising a gold fluorescence donor, a gold fluorescence acceptor, and a linker fragment that connects the gold fluorescence donor and the gold fluorescence acceptor, wherein the fluorescence resonance energy transfer is carried out between the gold fluorescence donor and the gold fluorescence acceptor. This all gold probe employing fluorescence resonance energy transfer technique can be used for detecting diseases such as arthritis, osteoporosis, and cancer metastasis.
    Type: Application
    Filed: May 11, 2015
    Publication date: November 19, 2015
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Chih-Kuang Wang, Mei-Ling Ho, Chung-Hwan Chen, Yin-Chih Fu, Jia-Huie Lin, Chih-Yun Lee, Je-Ken Chang
  • Publication number: 20150320876
    Abstract: A series of peptides with divergent confirmations including structures of formula (1A), (1B), (2) and (3) are provided. In the formula, wherein U, G, A, B, R1, R2 and T are as defined in the specification. The divergent peptides disclosed in the present invention are characterized in a mineral binding affinity function.
    Type: Application
    Filed: July 22, 2015
    Publication date: November 12, 2015
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng
  • Patent number: 9184781
    Abstract: Humanized, chimeric and human anti-CD20 antibodies and CD20 antibody fusion proteins that bind to a human B cell marker, referred to as CD20, which are useful for the treatment and diagnosis of B-cell disorders, such as B-cell malignancies and autoimmune diseases, and methods of treatment and diagnosis are disclosed. Methods of making the humanized, chimeric and human anti-CD20 antibodies are disclosed. A humanized anti-HSG (histamine-succinyl-glycyl) monoclonal antibody designated h679 which binds with high affinity to molecules containing the moiety histamine-succinyl-glycyl (HSG), and methods of making the humanized anti-HSG antibody also are disclosed.
    Type: Grant
    Filed: October 13, 2008
    Date of Patent: November 10, 2015
    Assignee: IMMUNOMEDICS, INC.
    Inventors: Hans Hansen, Edmund Rossi, Chien-Hsing Ken Chang, David M. Goldenberg
  • Patent number: 9173969
    Abstract: The present invention provides a biomaterial comprising a scaffold consisting of collagen, hyaluronic acid, and gelatin, which are cross-linked via ethyl-3-[3-dimethylaminopropyl]carbodiimide (EDC) between any two of collagen, hyaluronic acid, and gelatin. The present invention further provides a method for preparing the biomaterial and a method for enhancing wound healing with the biomaterial.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: November 3, 2015
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Hui-Min Wang, Mei-Ling Ho, Gwo-Jaw Wang, Je-Ken Chang, Yi-Ting Chou, Ching-Ying Wu, Su-Shin Lee
  • Publication number: 20150157762
    Abstract: A method for bone regeneration which comprises administering a short term release composition into a bone area of a subject in need thereof, wherein the composition comprises a poly(lactic-co-glycolic acid) cross-linked alendronate (PLGA-ALN), wherein the composition releases the alendronate into the bone area, wherein the bone tissue of the bone area is exposed in situ to a therapeutically effective amount of the alendronate over 9 days.
    Type: Application
    Filed: February 5, 2015
    Publication date: June 11, 2015
    Inventors: Mei-Ling Ho, Je-Ken Chang, Rajalakshmanan Eswaramoorthy, Shun-Cheng Wu, Yao-Hsien Wang
  • Patent number: 8940203
    Abstract: The present invention provides a method for preparing a composition comprising porous ceramic, comprising the following steps: (a) synthesizing poly(N-isopropylacrylamide-co-methacrylic acid) (p(NIPAAM-MAA)) or similar thermo-response compound thereof; (b) mixing a dispersant with hydroxyapatite or calcium phosphate salt; (c) mixing the p(NIPAAM-MAA) of the step (a) or similar thermo-response compound thereof with water to obtain a hydrogel solution; (d) mixing the hydrogel solution of the step (c) and product of the step (b) to produce a mixture; (e) adding macromolecular particles to the mixture of the step (d) and stirring to produce a slurry; (f) filling the slurry of the step (e) into a template slot; and disposing the template slot filling with the slurry of the step (f) on a crucible, then proceeding high temperature sinter in a furnace to form the composition comprising porous ceramic.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: January 27, 2015
    Assignee: Kaohsiung Medical University
    Inventors: Chih-Kuang Wang, Mei-Ling Ho, Yin-Chih Fu, Gwo-Jaw Wang, Je-Ken Chang
  • Publication number: 20140377212
    Abstract: A series of peptides with divergent confirmations including structures of formula (1A), (1B), (2) and (3) are provided. In the formula, wherein U, G, A, B, R1, R2 and T are as defined in the specification. The divergent peptides disclosed in the present invention are characterized in a mineral binding affinity function.
    Type: Application
    Filed: June 27, 2014
    Publication date: December 25, 2014
    Applicant: Kaohsiung Medical University
    Inventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng
  • Patent number: 8889828
    Abstract: A series of peptides with divergent confirmations including structures of formula (1A), (1B), (2) and (3) are provided. In the formula, wherein U, G, A, B, R1, R2 and T are as defined in the specification. The divergent peptides disclosed in the present invention are characterized in a mineral binding affinity function.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: November 18, 2014
    Assignee: Kaohsiung Medical University
    Inventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng
  • Patent number: 8883862
    Abstract: A method for locally controlled release of an effective amount of PTH(1-34) by a hyaluronic acid based hydrogel that can injected intra-articularly for the treatment of osteoarthritis is provided.
    Type: Grant
    Filed: January 12, 2012
    Date of Patent: November 11, 2014
    Assignee: Kaohsiung Medical University
    Inventors: Mei-Ling Ho, Rajalakshmanan Eswaramoorthy, Shun-Cheng Wu, Gwo-Jaw Wang, Je-Ken Chang, Yin-Chih Fu, Cherng-Chyi Tzeng, Hui-Ting Chen, Yao-Hsien Wang
  • Patent number: 8865220
    Abstract: The present invention provides a method for producing a controlled release microsphere with mean average size greater than 50 ?m, comprising preparing a water-in-oil (w/o) emulsion comprising an inner aqueous layer containing a pharmaceutically effective amount of a biologically active polypeptide with activity similar to parathyroid hormone, and an oil layer containing a polymer substance of poly(lactic-co-glycolic acid) (PLGA), then adding the w/o emulsion into aqueous polyvinyl alcohol (PVA) solution to form a water-in-oil-in-water (w/o/w) double emulsion and then desorbing the solvent in the oil layer. The present invention also provides a controlled release microsphere prepared by the method and use thereof.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: October 21, 2014
    Assignee: Kaohsiung Medical University
    Inventors: Mei-Ling Ho, Gwo-Jaw Wang, Je-Ken Chang, Yin-Chih Fu, Cherng-Chyi Tzeng, Eswaramoorthy Rajalakshmanan
  • Patent number: 8763455
    Abstract: A resistive liquid level/temperature sensor and transmitter including low voltage impedance measurement circuitry to convert three impedance values into indications of the temperature and the levels of two different liquids (e.g., oil and water) located within a storage tank. A resistive chain network including a plurality of series connected resistors and a corresponding plurality of reed switches extend longitudinally through a liquid level sensing probe that is dipped into the liquids in the tank. A pair of magnetic floats having different specific gravities surround the probe and rise to the two fluid levels. The magnetic floats close adjacent reed switches which create first and second current paths through the resistive chain network. The impedances of the first and second current paths are measured to provide an indication of the liquid levels. A resistive temperature device carried by the probe provides an indication of temperature.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: July 1, 2014
    Assignee: OleumTech Corporation
    Inventor: Ken Chang
  • Patent number: 8711922
    Abstract: A multi-phase partial response equalizer is disclosed. The equalizer includes receiver circuitry to receive a data symbol over N bit intervals and to generate N sets of samples in response to N clock signals having different phases. A first storage stage is provided, including storage elements to store the sets of samples during a common clock interval. First and second selection circuits are respectively coupled to an input and an output of the first storage stage. An output storage stage is coupled to the second selection circuit to store an output sample. The first and second selection circuits, over multiple clock intervals, cooperatively select the output sample from one of the sets of samples based on a most recent previous output sample.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: April 29, 2014
    Assignee: Rambus Inc.
    Inventors: Jie Shen, Ting Wu, Kun-Yang (Ken) Chang
  • Patent number: 8663677
    Abstract: A controlled release system and manufacturing method is provided. The method comprises providing a first aqueous solution containing a hydrophilic drug and an alkaline agent, providing an organic solution containing a hydrophobic molecule, providing a second aqueous solution containing a hydrophilic surfactant, mixing the first hydrophilic solution with the organic solution to form a first emulsion, and mixing the first emulsion with a second aqueous solution to form a second emulsion containing delayed-release microsphere.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: March 4, 2014
    Assignee: Kaohsiung Medical University
    Inventors: Yin-Chih Fu, Chih-Kuang Wang, Gwo-Jaw Wang, Mei-Ling Ho, Hui-Ting Chen, Je-Ken Chang, Cherng-Chyi Tzeng
  • Patent number: 8586533
    Abstract: A method for treating early-stage osteoarthritis in an animal is provided. The method comprises delivery of a therapeutically effective amount of a parathyroid hormone (PTH) or a PTH derived substance to an affected joint cavity of the patient. Methods for inhibiting articular chondrocytes apoptosis and for inhibiting a degenerative process of articular chondrocytes in an afflicted animal are also provided.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: November 19, 2013
    Assignee: Kaohsiung Medical University
    Inventors: Mei-Ling Ho, Gwo-Jaw Wang, Je-Ken Chang, Yin-Chih Fu, Chung-Hwan Chen
  • Publication number: 20130274190
    Abstract: The present invention provides a biomaterial comprising a scaffold consisting of collagen, hyaluronic acid, and gelatin, which are cross-linked via ethyl-3-[3-dimethylaminopropyl]carbodiimide (EDC) between any two of collagen, hyaluronic acid, and gelatin. The present invention further provides a method for preparing the biomaterial and a method for enhancing wound healing with the biomaterial.
    Type: Application
    Filed: April 11, 2012
    Publication date: October 17, 2013
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Hui-Min WANG, Mei-Ling HO, Gwo-Jaw WANG, Je-Ken CHANG, Yi-Ting CHOU, Ching-Ying WU, Su-Shin LEE
  • Patent number: 8530420
    Abstract: A method for treating and/or inhibiting arthritis is provided. The method includes administering an effective amount of a composition including a parathyroid hormone and a pharmaceutically acceptable carrier or salt to a subject with arthritis. Additionally, a method for inhibiting and/or rescuing terminal differentiation of cells is also provided.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: September 10, 2013
    Assignee: Kaohsiung Medical University
    Inventors: Mei-Ling Ho, Gwo-Jaw Wang, Je-Ken Chang, Yin-Chih Fu, Chung-Hwan Chen
  • Patent number: 8513976
    Abstract: A single-ended signaling system in which transmitted and returned signal currents are enabled to flow substantially parallel to one another and thereby maintain a substantially uniform impedance along the length of a single-ended signal conductor. A reference plane is disposed substantially parallel to a single-ended signaling conductor and coupled to the signaling conductor within a signal-receiving IC and to signaling supply voltage nodes within a signal-transmitting IC. By this arrangement, an signal current flowing to or from the receiving IC via the signaling conductor is conducted to the reference plane, thereby enabling a signal-return current to flow back to or back from the transmitting IC along a single path that is substantially parallel to the signal conductor.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: August 20, 2013
    Assignee: Rambus Inc.
    Inventors: Kun-Yung (Ken) Chang, John W. Poulton
  • Publication number: 20130183349
    Abstract: A method for locally controlled release of an effective amount of PTH(1-34) by a hyaluronic acid based hydrogel that can injected intra-articularly for the treatment of osteoarthritis is provided.
    Type: Application
    Filed: January 12, 2012
    Publication date: July 18, 2013
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Mei-Ling Ho, Rajalakshmanan Eswaramoorthy, Shun-Cheng Wu, Gwo-Jaw Wang, Je-Ken Chang, Yin-Chih Fu, Cherng-Chyi Tzeng, Hui-Ting Chen, Yao-Hsien Wang