Patents by Inventor Hsieh-Chih LIN
Hsieh-Chih LIN 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: 11952469Abstract: The present disclosure provides a method for preparing a hydrogel composition with thermos-sensitive and ionic reversible properties and the hydrogel composition prepared by the method. Related application products of the hydrogel composition of the present disclosure include wound dressings, drug carriers, three-dimensional cellular scaffolds, soluble microspheres, and cell capture and release systems, wherein the hydrogel composition with thermos-sensitive and ionic reversible properties has good in vitro and in vivo stability and high biocompatibility, and is non-toxic. The hydrogel composition can be removed and replaced by washing with metal chelating aqueous solution at low temperature.Type: GrantFiled: April 1, 2021Date of Patent: April 9, 2024Assignee: National Taiwan University of Science and TechnologyInventors: Hsieh-Chih Tsai, Shuian-Yin Lin, Hsiao-Ying Chou
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Patent number: 11939432Abstract: Synthetic amino acid-modified polymers and methods of making the same and using the same are disclosed. The synthetic amino acid-modified polymers possess distinct thermosensitive, improved water-erosion resistant, and enhanced mechanical properties, and are suitable of reducing or preventing formation of postoperative tissue adhesions. Additionally, the amino acid-modified polymers can also be used as a vector to deliver pharmaceutically active agents.Type: GrantFiled: April 23, 2021Date of Patent: March 26, 2024Assignee: PROVIEW-MBD BIOTECH CO., LTD.Inventors: Yu-Chia Chang, Yunn-Kuen Chang, Wen-Yen Huang, Ging-Ho Hsiue, Hsieh-Chih Tsai, Shuian-Yin Lin, Nai-Sheng Hsu, Tzu-Yu Lin
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Patent number: 11939431Abstract: The present invention relates to a composition comprising an amino acid-modified polymer, a carboxypolysaccharide, and may further include a metal ion for anti-adhesion and vector application. More specifically, the invention relates to a thermosensitive composition having enhanced mechanical and improved water-erosion resistant properties for efficiently preventing tissue adhesions and can serve as a vector with bio-compatible, bio-degradable/absorbable, and in-vivo sustainable properties.Type: GrantFiled: April 23, 2021Date of Patent: March 26, 2024Assignee: PROVIEW-MBD BIOTECH CO., LTD.Inventors: Yu-Chia Chang, Yunn-Kuen Chang, Wen-Yen Huang, Ging-Ho Hsiue, Hsieh-Chih Tsai, Shuian-Yin Lin, Nai-Sheng Hsu, Tzu-Yu Lin
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Publication number: 20240088562Abstract: An antenna structure includes a metal mechanism element, a feeding radiation element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, a sixth radiation element, and a tuning circuit. A slot is formed in the metal mechanism element. The first radiation element is coupled to the feeding radiation element. The tuning circuit is coupled to the first radiation element. The second radiation element is coupled to the feeding radiation element. The third radiation element is coupled to a first grounding point on the metal mechanism element. The fourth radiation element is coupled to a second grounding point on the metal mechanism element. The fifth radiation element is coupled to a third grounding point on the metal mechanism element.Type: ApplicationFiled: August 17, 2023Publication date: March 14, 2024Inventors: Guan-Ren SU, Meng-Kai WU, Hsieh-Chih LIN
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Patent number: 11916286Abstract: An electronic device and an antenna feeding device are provided. The electronic device includes a metal housing, a radiation element, a substrate, a grounding element and an electrostatic protection element. The antenna feeding device includes a substrate, a grounding element, and an electrostatic protection element. The radiation element is arranged along the edge of the electronic device, and the radiation element and the metal housing are separated from each other. The substrate is arranged on the metal housing. The substrate includes a feeding portion and a grounding portion, and the feeding portion is coupled to the radiating element. The grounding portion is coupled to the metal housing. The grounding element is electrically connected to the metal housing, and the grounding element is coupled to the grounding portion. The electrostatic protection element is electrically connected between the feeding portion and the grounding portion.Type: GrantFiled: June 16, 2021Date of Patent: February 27, 2024Assignee: WISTRON NEWEB CORPORATIONInventors: Shih-Chiang Wei, Hsieh-Chih Lin
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Publication number: 20240014555Abstract: An antenna structure and an electronic device are provided. The electronic device includes a housing and the antenna structure disposed therein. The antenna structure includes a grounding element, a feeding radiation element, a feeding element and a first grounding radiation element. The feeding radiation element includes a first radiating portion, a second radiating portion and a third radiating portion. The first radiating portion and the second radiating portion jointly surround the first grounding radiation element. The first radiating portion is spaced apart from and coupled with the first grounding radiation element to generate a first operating frequency band. The second radiating portion is spaced apart from and coupled with the first grounding radiation element to generate a second operating frequency band. The first operating frequency band is lower than the second operating frequency band.Type: ApplicationFiled: January 11, 2023Publication date: January 11, 2024Inventors: SHIH-CHIANG WEI, YUNG-CHIEH YU, HSIEH-CHIH LIN
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Publication number: 20230411825Abstract: An electronic device and an antenna module are provided. The electronic device includes a metal housing and the antenna module disposed. The metal housing has a slot, and the slot has an open end. The antenna module includes a carrier, a feeding element, a radiating element connected to the feeding element, and a grounding element. The radiating element is disposed on a first surface of the carrier. An orthogonal projection of the radiating element that is projected onto the metal housing at least partially overlaps with the slot. The grounding element includes a first grounding portion and a second grounding portion electrically connected to each other. The radiating element and the first grounding portion are spaced apart from each other by a first coupling gap, and the radiating element and the second grounding portion are spaced apart from each other by a second coupling gap.Type: ApplicationFiled: December 13, 2022Publication date: December 21, 2023Inventors: MENG-KAI WU, HONG-JUN JIAN, HSIEH-CHIH LIN
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Publication number: 20230402757Abstract: An antenna module and an electronic device are provided. The antenna module is disposed in a housing of the electronic device. The antenna module includes a first radiating element, a second radiating element, and a feeding element. The first radiating element includes a first radiating portion, a second radiating portion, and a feeding portion. The feeding portion is connected between the first radiating portion and the second radiating portion. A length of the first radiating portion is greater than a length of the second radiating portion. The second radiating element includes a connecting portion, a third radiating portion, and a fourth radiating portion. The connecting portion is connected between the third radiating portion and the fourth radiating portion. A length of the third radiating portion and a length of the fourth radiating portion are not equal to each other.Type: ApplicationFiled: May 10, 2023Publication date: December 14, 2023Inventors: HSIEH-CHIH LIN, MENG-KAI WU
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Patent number: 11769939Abstract: An electronic device and an antenna structure are provided. The electronic device includes a metal housing, a partition wall, a first antenna module, and a second antenna module. The metal housing has a T-shaped slot. The slot includes an opening end, a first closed end, and a second closed end. The partition wall is connected with the metal housing. The first antenna module has a first feeding element and a radiating element. The second antenna module has a second feeding element and an antenna array. The first antenna module and the second antenna module are respectively disposed on two sides of the partition wall, and the first antenna module is closer to the opening end than the second antenna module.Type: GrantFiled: June 8, 2022Date of Patent: September 26, 2023Assignee: WISTRON NEWEB CORPORATIONInventors: Hsuan-Jui Chang, Hsieh-Chih Lin, Guan-Ren Su, Wei-Shan Chang, Yi-Feng Wu, Shang-Sian You
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Publication number: 20230291100Abstract: An electronic device having an antenna structure is disclosed. The antenna structure includes a substrate, a first radiating portion, a second radiating portion connected to the first radiating portion, a grounding portion, a shorting portion connected between the second radiating portion and the grounding portion, a third radiating portion, a first grounding extension portion connected between the third radiating portion and the grounding portion, and a first capacitive element coupled between a first section and a second section of the shorting portion. The coupling of the shorting portion, the first grounding extension portion, and the third radiating portion generates a first operating frequency band, and the coupling of the first radiating portion, the shorting portion, the first grounding extension portion, and the third radiating portion generates a second operating frequency band, which is higher than the first operating frequency band, through the matching of the first capacitive element.Type: ApplicationFiled: October 18, 2022Publication date: September 14, 2023Inventors: HSIEH-CHIH LIN, YUNG-CHIEH YU, SHIH-CHIANG WEI
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Publication number: 20230216173Abstract: An electronic device and an antenna structure are provided. The electronic device includes a metal housing, a partition wall, a first antenna module, and a second antenna module. The metal housing has a T-shaped slot. The slot includes an opening end, a first closed end, and a second closed end. The partition wall is connected with the metal housing. The first antenna module has a first feeding element and a radiating element. The second antenna module has a second feeding element and an antenna array. The first antenna module and the second antenna module are respectively disposed on two sides of the partition wall, and the first antenna module is closer to the opening end than the second antenna module.Type: ApplicationFiled: June 8, 2022Publication date: July 6, 2023Inventors: Hsuan-Jui CHANG, Hsieh-Chih LIN, Guan-Ren SU, Wei-Shan CHANG, Yi-Feng WU, Shang-Sian YOU
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Publication number: 20230117264Abstract: An electronic device and an antenna module are provided. The electronic device includes a metal housing with a slot having an open end and a first upper edge portion located at an upper edge of the slot. The antenna module is arranged in the metal housing and includes a carrier board, a feeding element, a radiating element with a feeding portion connected to the feeding element, and a first parasitic radiating element arranged on the carrier board and connected or coupled to the first upper edge portion. A vertical projection of the radiating element on the metal housing at least partially overlaps the slot. One side of the first parasitic radiating element is near an edge of the open end. The radiating element is fed with a signal through the feeding element to generate a resonant mode and is coupled to the slot to excite another resonant mode.Type: ApplicationFiled: August 4, 2022Publication date: April 20, 2023Inventors: Hsuan-Jui CHANG, Hsieh-Chih LIN, Guan-Ren SU
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Publication number: 20220285833Abstract: An electronic device and an antenna feeding device are provided. The electronic device includes a metal housing, a radiation element, a substrate, a grounding element and an electrostatic protection element. The antenna feeding device includes a substrate, a grounding element, and an electrostatic protection element. The radiation element is arranged along the edge of the electronic device, and the radiation element and the metal housing are separated from each other. The substrate is arranged on the metal housing. The substrate includes a feeding portion and a grounding portion, and the feeding portion is coupled to the radiating element. The grounding portion is coupled to the metal housing. The grounding element is electrically connected to the metal housing, and the grounding element is coupled to the grounding portion. The electrostatic protection element is electrically connected between the feeding portion and the grounding portion.Type: ApplicationFiled: June 16, 2021Publication date: September 8, 2022Inventors: SHIH-CHIANG WEI, HSIEH-CHIH LIN
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Publication number: 20210351509Abstract: An electronic device including an antenna structure and a switching circuit is provided. The antenna structure includes a first radiating element, a second radiating element, a feeding element and a grounding element. The first radiating element incudes a first radiating part and a feeding part. The second radiating element is coupled with the first radiating element, and includes a main body and an arm that is electrically connected to the switching circuit. The feeding element includes a feeding end electrically connected to the feeding part, and a grounding end electrically connected to the grounding element. The antenna structure generates a first operation bandwidth and second operation bandwidth when the switching circuit is switched to a first and second mode, respectively. A central frequency of the first operation bandwidth is different from that of the second operation bandwidth.Type: ApplicationFiled: January 20, 2021Publication date: November 11, 2021Inventors: HSIEH-CHIH LIN, SHIH-HSIEN TSENG
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Patent number: 10916851Abstract: A mobile electronic device includes a ground plane, a first slot, a plurality of first inductive elements, a first antenna, a second antenna, a first signal source, and a second signal source. The first slot is disposed in the ground plane to form a first ground portion and a second ground portion separated from each other. The first inductive elements are respectively connected to the first ground portion and the second ground portion. The first antenna and the second antenna respectively receive a radio-frequency signal in a predetermined band. The first signal source is electrically connected between the first antenna and the first ground portion and receives the radio-frequency signal from the first antenna. The second signal source is electrically connected between the second antenna and the second ground portion and receives the radio-frequency signal from the second antenna.Type: GrantFiled: April 3, 2018Date of Patent: February 9, 2021Assignee: Acer IncorporatedInventors: Wan-Chu Wei, Hsieh-Chih Lin, Hsin-Wu Chiang, Pei-Chi Ma, Yu-Chia Chang, Pang-Chun Tsai, Chung-hao Huang
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Patent number: 10784565Abstract: A mobile device includes a host upper cover, a host lower cover, a metal cavity structure, a protruding radiation element, a nonconductive connection element, and a feeding element. The metal cavity structure is coupled between the host upper cover and the host lower cover. The metal cavity structure includes a first metal partition and a second metal partition. The first metal partition has an opening. The nonconductive connection element is connected to the edge of the opening of the first metal partition. The nonconductive connection element is configured to support and surround the protruding radiation element. The feeding element is coupled to a signal source and is disposed adjacent to the protruding radiation element. An antenna structure is formed by the feeding element and the protruding radiation element.Type: GrantFiled: August 24, 2018Date of Patent: September 22, 2020Assignee: WISTRON CORP.Inventors: Wan Chu Wei, Hsieh Chih Lin, Yu-Chia Chang, Jung-Chin Hsieh, Wen-Chieh Wu
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Publication number: 20200014092Abstract: A mobile device includes a host upper cover, a host lower cover, a metal cavity structure, a protruding radiation element, a nonconductive connection element, and a feeding element. The metal cavity structure is coupled between the host upper cover and the host lower cover. The metal cavity structure includes a first metal partition and a second metal partition. The first metal partition has an opening. The nonconductive connection element is connected to the edge of the opening of the first metal partition. The nonconductive connection element is configured to support and surround the protruding radiation element. The feeding element is coupled to a signal source and is disposed adjacent to the protruding radiation element. An antenna structure is formed by the feeding element and the protruding radiation element.Type: ApplicationFiled: August 24, 2018Publication date: January 9, 2020Inventors: Wan Chu WEI, Hsieh Chih LIN, Yu-Chia CHANG, Jung-Chin HSIEH, Wen-Chieh WU
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Patent number: 10498041Abstract: A mobile device includes a host upper cover, a host lower cover, a metal cavity structure, an H-shaped slot antenna, and a feeding element. The metal cavity structure is coupled between the host upper cover and the host lower cover. The H-shaped slot antenna is formed on the host upper cover, the host lower cover, the metal cavity structure, the host upper cover and the metal cavity structure, or the host lower cover and the metal cavity structure. The feeding element is coupled to a signal source. The feeding element is configured to excite the H-shaped slot antenna.Type: GrantFiled: October 16, 2018Date of Patent: December 3, 2019Assignee: Wistron Corp.Inventors: Hsieh-Chih Lin, Yu-Chia Chang, Wan Chu Wei, Jung-Chin Hsieh, Wen-Chieh Wu
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Publication number: 20190074590Abstract: A mobile electronic device includes a ground plane, a first slot, a plurality of first inductive elements, a first antenna, a second antenna, a first signal source, and a second signal source. The first slot is disposed in the ground plane to form a first ground portion and a second ground portion separated from each other. The first inductive elements are respectively connected to the first ground portion and the second ground portion. The first antenna and the second antenna respectively receive a radio-frequency signal in a predetermined band. The first signal source is electrically connected between the first antenna and the first ground portion and receives the radio-frequency signal from the first antenna. The second signal source is electrically connected between the second antenna and the second ground portion and receives the radio-frequency signal from the second antenna.Type: ApplicationFiled: April 3, 2018Publication date: March 7, 2019Applicant: Acer IncorporatedInventors: Wan-Chu Wei, Hsieh-Chih Lin, Hsin-Wu Chiang, Pei-Chi Ma, Yu-Chia Chang, Pang-Chun Tsai, Chung-hao Huang
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Patent number: 9748638Abstract: An electronic device including a ground plane, a metal frame, a plurality of radiation elements and a switching circuit is provided. A first end of a frame element in the metal frame is connected to the ground plane, and a second end of the frame element is an open end. Each of the radiation elements is spaced by a coupling distance from the frame element. The switching circuit transmits a feeding signal to one of the radiation elements. When the feeding signal is transmitted to a first radiation element among the radiation elements, the electronic device operates in a first band and a second band through the first radiation element and the frame element. When the feeding signal is transmitted to a second radiation element among the radiation elements, the electronic device operates in a third band and a fourth band through the second radiation element and the frame element.Type: GrantFiled: January 11, 2016Date of Patent: August 29, 2017Assignee: Acer IncorporatedInventors: Wan-Chu Wei, Yu-Chia Chang, Hsin-Wu Chiang, Hsieh-Chih Lin, Pei-Chi Ma, Pang-Chun Tsai