Patents by Inventor Je-Ken Chang
Je-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).
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Patent number: 11344548Abstract: A method for treating low bone mineral density associated with osteopenia, osteoporosis, and other diseases is disclosed. The method comprises administrating a composition comprising a 3,5-dihydroxypentanoic acid derivative according to Formula I to a mammal. A compound of 3,5-dihydroxypentanoic acid derivative having a structure according to Formula I or Formula II is also disclosed.Type: GrantFiled: October 8, 2015Date of Patent: May 31, 2022Assignee: KAOHSIUNG MEDICAL UNIVERSITYInventors: Hui-Ting Chen, Kuang-Chan Hsieh, Chai-Lin Kao, Je-Ken Chang, Mei-Ling Ho
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Publication number: 20210322411Abstract: A method for treating low bone mineral density associated with osteopenia, osteoporosis, and other diseases is disclosed. The method comprises administrating a composition comprising a 3,5-dihydroxypentanoic acid derivative according to Formula I to a mammal. A compound of 3,5-dihydroxypentanoic acid derivative having a structure according to Formula I or Formula II is also disclosed.Type: ApplicationFiled: October 8, 2015Publication date: October 21, 2021Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: Hui-Ting Chen, Kuang-Chan Hsieh, Chai-Lin Kao, Je-Ken Chang, Mei-Ling Ho
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Patent number: 11111184Abstract: 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: GrantFiled: December 2, 2016Date of Patent: September 7, 2021Assignee: KAOHSIUNG MEDICAL UNIVERSITYInventors: Chih-Kuang Wang, Mei-Ling Ho, Li-Cheng Pan, Yin-Chih Fu, Chung-Hwan Chen, Je-Ken Chang
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Publication number: 20210015967Abstract: 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: ApplicationFiled: March 23, 2018Publication date: January 21, 2021Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: Mei-Ling HO, Je-Ken CHANG, Chung-Hwan CHEN, Hui-Ting CHEN, Shun Cheng WU, Benjamin TEONG
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Patent number: 10570365Abstract: 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: GrantFiled: December 21, 2017Date of Patent: February 25, 2020Assignee: Kaohsiung Medical UniversityInventors: Che-Hsin Lin, Yao-Hsien Wang, Chung-Hwan Chen, Je-Ken Chang, Mei-Ling Ho
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Publication number: 20200033232Abstract: 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: ApplicationFiled: September 29, 2016Publication date: January 30, 2020Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: Che-Hsin Lin, Yao-Hsien Wang, Chung-Hwan Chen, Je-Ken Chang, Mei-Ling Ho
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Publication number: 20180354860Abstract: 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: ApplicationFiled: December 2, 2016Publication date: December 13, 2018Inventors: Chih-Kuang Wang, Mei-Ling Ho, Li-Cheng Pan, Yin-Chih Fu, Chung-Hwan Chen, Je-Ken Chang
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Publication number: 20180328824Abstract: 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: ApplicationFiled: December 21, 2017Publication date: November 15, 2018Applicant: Kaohsiung Medical UniversityInventors: Che-Hsin Lin, Yao-Hsien Wang, Chung-Hwan Chen, Je-Ken Chang, Mei-Ling Ho
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Publication number: 20180298342Abstract: 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: ApplicationFiled: October 8, 2015Publication date: October 18, 2018Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: YAO-HSIEN WANG, CHUNG-HWAN CHEN, MEI-LING HO, JE-KEN CHANG
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Publication number: 20180169136Abstract: The present invention relates to a use of a pharmaceutical composition in the preparation of a drug for promoting chondrogenesis, wherein the pharmaceutical composition comprises a hyaluronic acid mixture and a statin compound.Type: ApplicationFiled: June 18, 2015Publication date: June 21, 2018Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: Mei-ling Ho, Je-Ken Chang, Shun-Cheng Wu, Chih-Hsiang Chang
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Patent number: 9889225Abstract: 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: GrantFiled: February 5, 2015Date of Patent: February 13, 2018Assignee: KAOHSIUNG MEDICAL UNIVERSITYInventors: Mei-Ling Ho, Je-Ken Chang, Rajalakshmanan Eswaramoorthy, Shun-Cheng Wu, Yao-Hsien Wang
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Patent number: 9415114Abstract: 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: GrantFiled: July 22, 2015Date of Patent: August 16, 2016Assignee: Kaohsiung Medical UniversityInventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng
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Patent number: 9314533Abstract: 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: GrantFiled: June 27, 2014Date of Patent: April 19, 2016Assignee: KAOHSIUNG MEDICAL UNIVERSITYInventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng
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Patent number: 9314503Abstract: 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: GrantFiled: July 8, 2010Date of Patent: April 19, 2016Assignee: KAOHSIUNG MEDICAL UNIVERSITYInventors: Yin-Chin Fu, Chih-Kuang Wang, Gwo-Jaw Wang, Mei-Ling Ho, Je-Ken Chang, Cherng-Chyi Tzeng
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Publication number: 20150329592Abstract: 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: ApplicationFiled: May 11, 2015Publication date: November 19, 2015Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: Chih-Kuang Wang, Mei-Ling Ho, Chung-Hwan Chen, Yin-Chih Fu, Jia-Huie Lin, Chih-Yun Lee, Je-Ken Chang
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Publication number: 20150320876Abstract: 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: ApplicationFiled: July 22, 2015Publication date: November 12, 2015Applicant: KAOHSIUNG MEDICAL UNIVERSITYInventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng
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Patent number: 9173969Abstract: 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: GrantFiled: April 11, 2012Date of Patent: November 3, 2015Assignee: KAOHSIUNG MEDICAL UNIVERSITYInventors: Hui-Min Wang, Mei-Ling Ho, Gwo-Jaw Wang, Je-Ken Chang, Yi-Ting Chou, Ching-Ying Wu, Su-Shin Lee
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Publication number: 20150157762Abstract: 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: ApplicationFiled: February 5, 2015Publication date: June 11, 2015Inventors: Mei-Ling Ho, Je-Ken Chang, Rajalakshmanan Eswaramoorthy, Shun-Cheng Wu, Yao-Hsien Wang
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Patent number: 8940203Abstract: 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: GrantFiled: April 6, 2011Date of Patent: January 27, 2015Assignee: Kaohsiung Medical UniversityInventors: Chih-Kuang Wang, Mei-Ling Ho, Yin-Chih Fu, Gwo-Jaw Wang, Je-Ken Chang
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Publication number: 20140377212Abstract: 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: ApplicationFiled: June 27, 2014Publication date: December 25, 2014Applicant: Kaohsiung Medical UniversityInventors: Hui-Ting Chen, Kuang-Chan Hsieh, Je-Ken Chang, Gwo-Jaw Wang, Yin-Chih Fu, Mei-Ling Ho, Cherng-Chyi Tzeng