Patents by Inventor Chung-Hwan Chen

Chung-Hwan Chen 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: 11111184
    Abstract: The present invention provides a method of additive manufacturing a 3D-printed article, comprising: (a) printing and depositing one or more layers of a slurry by using a 3D printer, wherein the slurry comprises a ceramic powder composition; (b) further injecting an oil around the one or more layers of slurry, wherein the height of the injected oil is lower than the height of the slurry; (c) repeating steps (a) and (b) until a main body with desired geometric shape is obtained; and (d) sintering the main body by heating to obtain the 3D-printed article wherein the temperature of a printing carrier of the 3D printer is from 30 to 80° C.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: September 7, 2021
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Chih-Kuang Wang, Mei-Ling Ho, Li-Cheng Pan, Yin-Chih Fu, Chung-Hwan Chen, Je-Ken Chang
  • Publication number: 20210162074
    Abstract: The present invention relates to a method for treating or alleviating an osteoporosis in a subject. The method comprises steps of identifying the subject having the osteoporosis, and administering to the subject an effective amount of a composition that increases a level of Discoidin Domain Receptor 1 (DDR1) protein in the subject.
    Type: Application
    Filed: February 5, 2021
    Publication date: June 3, 2021
    Applicant: Kaohsiung Medical University
    Inventors: Chau-Zen Wang, Chung-Hwan Chen, Liang-Yin Chou, Yu Chou, Mei-Ling Ho, Yi-Hsiung Lin
  • Patent number: 10946021
    Abstract: The present invention relates to a use of Discoidin Domain Receptor 1 (DDR1) inhibitor in preparing a medicament for preventing or treating a joint disease. The present invention further relates to a use of DDR1 activator in preparing a medicament for preventing or treating abnormalities of endochondral ossification-related conditions.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: March 16, 2021
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Chau-Zen Wang, Chung-Hwan Chen, Liang-Yin Chou, Yu Chou, Mei-Ling Ho, Yi-Hsiung Lin
  • Publication number: 20210015967
    Abstract: A method for preparing hyaluronic acid hydrogel microparticles and a use thereof in repairing articular cartilage defects, the method for preparing hyaluronic acid hydrogel microparticles includes: (a) reacting hyaluronic acid with methacrylic anhydride to synthesize a methacrylated hyaluronic acid conjugate; (b) mixing the methacrylated hyaluronic acid conjugate with a photoinitiator, and irradiating ultraviolet light to carry out a photopolymerization reaction so as to obtain a hyaluronic acid hydrogel; and (c) passing the hyaluronic acid hydrogel through a sieve to obtain hyaluronic acid hydrogel microparticles.
    Type: Application
    Filed: March 23, 2018
    Publication date: January 21, 2021
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Mei-Ling HO, Je-Ken CHANG, Chung-Hwan CHEN, Hui-Ting CHEN, Shun Cheng WU, Benjamin TEONG
  • Patent number: 10570365
    Abstract: An automatic cell isolation and collection system for sorting out target cells from a sample includes a crush module, a centrifuge module, a transport module, and a control unit. The centrifuge module includes centrifuge tubes and a magnetic mechanism providing a magnetically attractive force to at least one of the centrifuge tubes. The control unit electrically communicates with the crush module, the centrifuge module, and the transport module, and controls operation of the crush module, transport of the sample via the transport module after the sample is crushed by the crush module, centrifugation of the centrifuge module, and operation of the magnetic mechanism for providing the magnetically attractive force.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 25, 2020
    Assignee: Kaohsiung Medical University
    Inventors: Che-Hsin Lin, Yao-Hsien Wang, Chung-Hwan Chen, Je-Ken Chang, Mei-Ling Ho
  • Publication number: 20200030332
    Abstract: The present invention relates to a use of Discoidin Domain Receptor 1 (DDR1) inhibitor in preparing a medicament for preventing or treating a joint disease. The present invention further relates to a use of DDR1 activator in preparing a medicament for preventing or treating abnormalities of endochondral ossification-related conditions.
    Type: Application
    Filed: March 23, 2018
    Publication date: January 30, 2020
    Applicant: Kaohsiung Medical University
    Inventors: Chau-Zen Wang, Chung-Hwan Chen, Liang-Yin Chou, Yu Chou, Mei-Ling Ho, Yi-Hsiung Lin
  • Publication number: 20200033232
    Abstract: Provided is a device for rapidly isolating cells from tissue, comprising: a stirring and cutting member, having a rotary cutting tool, wherein same is driven by a motor so as to rotate to stir and cut tissue, and can inject digestive enzymes to accelerate decomposition of the tissue; and double-layered nested cups comprising an inner cup and an outer cup, used for accommodating and filtering solution of required cells, wherein a filter device of the inner cup screens out the required cells, and the outer cup collects the filtered solution.
    Type: Application
    Filed: September 29, 2016
    Publication date: January 30, 2020
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Che-Hsin Lin, Yao-Hsien Wang, Chung-Hwan Chen, Je-Ken Chang, Mei-Ling Ho
  • Publication number: 20180354860
    Abstract: The present invention provides a method of additive manufacturing a 3D-printed article, comprising: (a) printing and depositing one or more layers of a slurry by using a 3D printer, wherein the slurry comprises a ceramic powder composition; (b) further injecting an oil around the one or more layers of slurry, wherein the height of the injected oil is lower than the height of the slurry; (c) repeating steps (a) and (b) until a main body with desired geometric shape is obtained; and (d) sintering the main body by heating to obtain the 3D-printed article wherein the temperature of a printing carrier of the 3D printer is from 30 to 80° C.
    Type: Application
    Filed: December 2, 2016
    Publication date: December 13, 2018
    Inventors: Chih-Kuang Wang, Mei-Ling Ho, Li-Cheng Pan, Yin-Chih Fu, Chung-Hwan Chen, Je-Ken Chang
  • Publication number: 20180328824
    Abstract: An automatic cell isolation and collection system for sorting out target cells from a sample includes a crush module, a centrifuge module, a transport module, and a control unit. The centrifuge module includes centrifuge tubes and a magnetic mechanism providing a magnetically attractive force to at least one of the centrifuge tubes. The control unit electrically communicates with the crush module, the centrifuge module, and the transport module, and controls operation of the crush module, transport of the sample via the transport module after the sample is crushed by the crush module, centrifugation of the centrifuge module, and operation of the magnetic mechanism for providing the magnetically attractive force.
    Type: Application
    Filed: December 21, 2017
    Publication date: November 15, 2018
    Applicant: Kaohsiung Medical University
    Inventors: Che-Hsin Lin, Yao-Hsien Wang, Chung-Hwan Chen, Je-Ken Chang, Mei-Ling Ho
  • Publication number: 20180298342
    Abstract: The present invention provides a composition for isolating adipose-derived stromal cells, which comprises a Type I collagenase of 0.5-8% (v/v); a Trypsin of 0.1-0.6% (v/v); and a metal ion chelating agent of 0.01-0.2% (v/v). The present invention further provides a method for isolating adipose-derived stromal cells, which method comprises obtaining an adipose tissue; treating the adipose tissue with the composition of the present invention; centrifuging the adipose tissue; and isolating the adipose tissue to obtain the adipose-derived stromal cells. The present invention facilitates rapid isolation of mesenchymal stromal cells within a short period of time in operating rooms and can be applied to regenerative medicine in the future.
    Type: Application
    Filed: October 8, 2015
    Publication date: October 18, 2018
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: YAO-HSIEN WANG, CHUNG-HWAN CHEN, MEI-LING HO, JE-KEN CHANG
  • 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
  • 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
  • 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
  • Publication number: 20100160229
    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: Application
    Filed: December 15, 2009
    Publication date: June 24, 2010
    Applicant: Kaohsiung Medical University
    Inventors: Mei-Ling Ho, Gwo-Jaw Wang, Je-Ken Chang, Yin-Chih Fu, Chung-Hwan Chen
  • Publication number: 20100150997
    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: Application
    Filed: December 16, 2008
    Publication date: June 17, 2010
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Mei-Ling HO, Gwo-Jaw WANG, Je-Ken CHANG, Yin-Chih FU, Chung-Hwan CHEN
  • Publication number: 20090170200
    Abstract: A medium for culturing stem cell. The stem cell medium of the invention comprises a fetal bovine serum, one or plurality of amino acid, one or plurality of vitamin, one or plurality of growth factor, one or plurality of inorganic salt, one or plurality of antioxidant, wherein the stem cell medium has a calcium concentration of less than about 1.8 mM, and the fetal bovine serum is present in an amount of less than about 10% by volume of the medium. The stem cell medium of the invention can maintain the proliferative and self-renewal capacity of the stem cells and keep stem cells at a steady stage.
    Type: Application
    Filed: April 21, 2008
    Publication date: July 2, 2009
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Ching-Hua Yeh, Gwo-Jaw Wang, Mei-Ling Ho, Je-Ken Chang, Chung-Hwan Chen