Patents by Inventor Chien-Hsing Chen
Chien-Hsing 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).
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Publication number: 20240148280Abstract: An implantable micro-biosensor a substrate, a first electrode, a second electrode, a third electrode, and a chemical reagent layer. The first electrode is disposed on the substrate and used as a counter electrode. The second electrode is disposed on the substrate and spaced apart from the first electrode. The third electrode is disposed on the substrate and used as a working electrode. The chemical reagent layer at least covers a sensing section of the third electrode so as to permit the third electrode to selectively cooperate with the first electrode or the first and second electrodes to measure a physiological signal in response to the physiological parameter of the analyte.Type: ApplicationFiled: January 16, 2024Publication date: May 9, 2024Inventors: Chun-Mu Huang, Chieh-Hsing Chen, Heng-Chia Chang, Chi-Hao Chen, Chien-Chung Chen
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Publication number: 20240154065Abstract: An optoelectronic device includes a first semiconductor layer, a second semiconductor layer and an active layer between the first semiconductor layer and the second semiconductor layer; a first insulating layer on the second semiconductor layer and including a plurality of first openings exposing the first semiconductor layer, wherein the first openings include a first group and a second group; a third electrode on the first insulating layer and including a first extended portion and a second extended portion, wherein the first extended portion and the second extended portion are respectively electrically connected to the first semiconductor layer through the first group of the first openings and the second group of the first openings, and wherein the number of the first group of the first openings is different from the number of the second group of the first openings; and a plurality of fourth electrodes on the second insulating layer and electrically connected to the second semiconductor layer, wherein in aType: ApplicationFiled: January 11, 2024Publication date: May 9, 2024Inventors: Chao-Hsing CHEN, Jia-Kuen WANG, Chien-Chih LIAO, Tzu-Yao TSENG, Tsun-Kai KO, Chien-Fu SHEN
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Patent number: 11974842Abstract: An implantable micro-biosensor a substrate, a first electrode, a second electrode, a third electrode, and a chemical reagent layer. The first electrode is disposed on the substrate and used as a counter electrode. The second electrode is disposed on the substrate and spaced apart from the first electrode. The third electrode is disposed on the substrate and used as a working electrode. The chemical reagent layer at least covers a sensing section of the third electrode so as to permit the third electrode to selectively cooperate with the first electrode or the first and second electrodes to measure a physiological signal in response to the physiological parameter of the analyte.Type: GrantFiled: July 31, 2020Date of Patent: May 7, 2024Assignee: Bionime CorporationInventors: Chun-Mu Huang, Chieh-Hsing Chen, Heng-Chia Chang, Chi-Hao Chen, Chien-Chung Chen
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Patent number: 11973164Abstract: A light-emitting device includes a substrate including a top surface; a semiconductor stack including a first semiconductor layer, an active layer and a second semiconductor layer formed on the substrate, wherein a portion of the top surface is exposed; a distributed Bragg reflector (DBR) formed on the semiconductor stack and contacting the portion of the top surface of the substrate; a metal layer formed on the distributed Bragg reflector (DBR), contacting the portion of the top surface of the substrate and being insulated with the semiconductor stack; and an insulation layer formed on the metal layer and contacting the portion of the top surface of the substrate.Type: GrantFiled: January 3, 2023Date of Patent: April 30, 2024Assignee: EPISTAR CORPORATIONInventors: Che-Hung Lin, Chien-Chih Liao, Chi-Shiang Hsu, De-Shan Kuo, Chao-Hsing Chen
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Patent number: 11945156Abstract: A three-dimensional printing apparatus includes a liquid tank capable of accommodating a photosensitive liquid. The liquid tank includes a film, a plurality of side walls, a plate and a motor. The film has a workpiece curing area. The plurality of side walls surrounds the film. The plate is capable of supporting the film and having at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate. The motor is connected to the liquid tank to incline the liquid tank. A gap is formed between the plat and one of the plurality of side walls of the liquid tank, and the film is communicated with an outside space via the gap.Type: GrantFiled: November 25, 2019Date of Patent: April 2, 2024Assignee: YOUNG OPTICS INC.Inventors: Li-Han Wu, Chien-Hsing Tsai, Chao-Shun Chen, Tsung-Yu Liu
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Patent number: 11942509Abstract: A light-emitting device comprises a substrate; a first light-emitting unit and a second light-emitting unit formed on the substrate, each of the first light-emitting unit and the second light-emitting unit comprises a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, wherein the first light-emitting unit comprises a first semiconductor mesa and a first surrounding part surrounding the first semiconductor mesa, and the second light-emitting unit comprises a second semiconductor mesa and a second surrounding part surrounding the second semiconductor mesa; a trench formed between the first light-emitting unit and the second light-emitting unit and exposing the substrate; a first insulating layer comprising a first opening on the first surrounding part and a second opening on the second semiconductor layer of the second light-emitting unit; and a connecting electrode comprising a first connecting part on the firstType: GrantFiled: June 15, 2021Date of Patent: March 26, 2024Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, I-Lun Ma, Bo-Jiun Hu, Yu-Ling Lin, Chien-Chih Liao
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Publication number: 20200165210Abstract: A method for preparing azoxystrobin comprises the following steps: (a) mixing methyl (E)-2-[2-(6-chloropyrimidin-4-yloxy)phenyl]-3-methoxyacrylate, 2-cyanophenol, potassium carbonate, and 10-80 mol % of 1-methylpyrrolidine as a catalyst in an aprotic solvent to form a basic mixture, and reacting the basic mixture for 2-5 hrs at a temperature of 60-120° C.; and (b) subjecting the basic mixture after reaction in Step (a) to a first distillation under a reduced pressure of 80-120 torr at 70-80° C., to obtain azoxystrobin.Type: ApplicationFiled: January 7, 2019Publication date: May 28, 2020Inventors: Chien-Hsing CHEN, Ming-Fang HSIEH, Chih-Da LIN, Chien-Yu LIU
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Patent number: 10324034Abstract: A self-referencing localized plasmon resonance sensing device and a system thereof are disclosed. The reference optical waveguide element is modified with a noble metal nanoparticle layer. The sensing optical waveguide element is modified with a noble metal nanoparticle layer, which is further modified with a recognition unit. The incident light is guided into the reference and the sensing optical waveguide elements to respectively generate localized plasmon resonance sensor signals. The reference and the sensing optical waveguide elements respectively have a calibration slope. The processor utilizes the calibration slopes to regulate the second difference generated by detecting with the sensing optical waveguide element. The processor utilizes a difference between the first difference, which is generated by detecting with the reference optical waveguide element, and the regulated second difference to obtain a sensor response.Type: GrantFiled: February 19, 2016Date of Patent: June 18, 2019Assignee: National Chung Cheng UniversityInventors: Lai-Kwan Chau, Chin-Wei Wu, Chang-Yue Chiang, Chien-Hsing Chen
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Patent number: 9612197Abstract: A reflection-based tubular waveguide particle plasmon resonance sensing system and a sensing device thereof are provided. The sensing device includes a hollow tubular waveguide element having wall, a reflection layer disposed on one end of the wall (distal end), and a noble metal nanoparticle layer distributed on the surface of the wall. An incident light enters the wall through another end of the tubular waveguide element (proximal end) and being total internal reflected many times along the wall, then is reflected by the reflection layer and being total internal reflected many times along the wall again, and finally, the incident light exits the proximal end. Wherein, when the sample contacts the noble metal nanoparticle layer of the tubular waveguide element, the particle plasmon resonance condition is altered and hence the signal intensity of the light exiting the tubular waveguide element changes.Type: GrantFiled: July 22, 2015Date of Patent: April 4, 2017Assignee: National Chung Cheng UniversityInventors: Lai-Kwan Chau, Yu-Chung Huang, Chih-To Wang, Chien-Hsing Chen, Chang-Yue Chiang
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Publication number: 20160216205Abstract: A reflection-based tubular waveguide particle plasmon resonance sensing system and a sensing device thereof are provided. The sensing device includes a hollow tubular waveguide element having wall, a reflection layer disposed on one end of the wall (distal end), and a noble metal nanoparticle layer distributed on the surface of the wall. An incident light enters the wall through another end of the tubular waveguide element (proximal end) and being total internal reflected many times along the wall, then is reflected by the reflection layer and being total internal reflected many times along the wall again, and finally, the incident light exits the proximal end. Wherein, when the sample contacts the noble metal nanoparticle layer of the tubular waveguide element, the particle plasmon resonance condition is altered and hence the signal intensity of the light exiting the tubular waveguide element changes.Type: ApplicationFiled: July 22, 2015Publication date: July 28, 2016Inventors: Lai-Kwan Chau, Yu-Chung Huang, Chih-To Wang, Chien-Hsing Chen, Chang-Yue Chiang
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Publication number: 20160169797Abstract: A self-referencing localized plasmon resonance sensing device and a system thereof are disclosed. The reference optical waveguide element is modified with a noble metal nanoparticle layer. The sensing optical waveguide element is modified with a noble metal nanoparticle layer, which is further modified with a recognition unit. The incident light is guided into the reference and the sensing optical waveguide elements to respectively generate localized plasmon resonance sensor signals. The reference and the sensing optical waveguide elements respectively have a calibration slope. The processor utilizes the calibration slopes to regulate the second difference generated by detecting with the sensing optical waveguide element. The processor utilizes a difference between the first difference, which is generated by detecting with the reference optical waveguide element, and the regulated second difference to obtain a sensor response.Type: ApplicationFiled: February 19, 2016Publication date: June 16, 2016Inventors: Lai-Kwan CHAU, Chin-Wei WU, Chang-Yue CHIANG, Chien-Hsing CHEN
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Patent number: 8355134Abstract: The present invention discloses a localized plasmon resonance sensing device and a fiber optic structure. The device comprises an optical fiber and a noble metal nanoparticle layer. The optical fiber has a plurality of notches, and such notches are located on the side surface of the optical fiber. The noble metal nanoparticle layer is located at the notch. As a result, when a light is launched into the optical fiber, a detecting unit can be used to detect a localized plasmon resonance signal which is generated by the interaction between the noble metal nanoparticle layer and the light.Type: GrantFiled: March 29, 2010Date of Patent: January 15, 2013Assignee: National Chung Cheng UniversityInventors: La-Kwan Chau, Wei-Te Wu, Tzu-Chien Tsao, Chien-Hsing Chen, Wan-Yun Li
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Publication number: 20110069316Abstract: The present invention discloses a localized plasmon resonance sensing device and a fiber optic structure. The device comprises an optical fiber and a noble metal nanoparticle layer. The optical fiber has a plurality of notches, and such notches are located on the side surface of the optical fiber. The noble metal nanoparticle layer is located at the notch. As a result, when a light is launched into the optical fiber, a detecting unit can be used to detect a localized plasmon resonance signal which is generated by the interaction between the noble metal nanoparticle layer and the light.Type: ApplicationFiled: March 29, 2010Publication date: March 24, 2011Applicant: NATIONAL CHUNG CHENG UNIVERSITYInventors: Lai-Kwan Chau, Wei-Te Wu, Tzu-Chien Tsao, Chien-Hsing Chen, Wan-Yun Li
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Publication number: 20090127113Abstract: A micro-fluidic detector applied for detecting analytes in a fluid sample is disclosed. The micro-fluidic detector comprises a mixing area, a flow area and at least one detection module. The mixing area has a conductive top plate and a plurality of first electrodes for mixing a first fluid and a second fluid so as to form the fluid sample. The flow area has two second electrodes, positioned side by side, for driving the fluid sample to flow. The detection module is used for detecting analytes in the fluid sample flowing in the flow area. The mixing area uniformly mixes the first fluid and the second fluid via an electric field generated by applying a voltage potential, with respect to the conductive top plate, to one by one of the first electrodes in the mixing area. The flow area drives the fluid sample via an electric field generated by the second electrodes.Type: ApplicationFiled: November 15, 2007Publication date: May 21, 2009Inventors: Chien-Hsing Chen, Jhih-Lin Chen, Wen-Hsin Hsien
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Publication number: 20050066875Abstract: A panel includes a signaling device and a displayer, which are detachably connected to each other. And the signaling device has an infrared emitter to emit a signal to an infrared receiver of the displayer and the displayer shows the signal thereon.Type: ApplicationFiled: July 16, 2004Publication date: March 31, 2005Applicant: Everwell Electronics Co., LTDInventor: Chien-Hsing Chen
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Patent number: 6570014Abstract: A process for preparing triazolopyrimidine derivatives of the formula (I): wherein R1 represents a hydrogen or an alkyl radical of one to ten carbon atoms, or a cycloalkyl radical of three to six carbon atoms, or an alkenyl radical of up to four carbon atoms; R2 represents a hydrogen, a halogen atom, a hydroxyalkyl or alkyl radical of one to ten carbon atoms; R3 represents a hydrogen, a hydroxyalkyl or alkyl radical of one to four carbon atoms; by rapidly preparing diamino-1,2,4-triazole which is reacted with an aldehyde to form an imide which is reacted with an &agr;,&bgr;-unsaturated acid derivative, the reaction product of which is hydrolyzed in the presence of an acid to produce the triazolopyrimidine derivatives of formula (I). The compounds of the formula (I) are capable of preventing bronchospasm.Type: GrantFiled: April 30, 2002Date of Patent: May 27, 2003Assignee: Sinon CorporationInventors: Chien-Hsing Chen, Chun-Lin Yeh, Yu-Hwa Chuang
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Publication number: 20030092739Abstract: The present invention relates to a novel heterocyclic compound having the formula: 1Type: ApplicationFiled: June 22, 2001Publication date: May 15, 2003Inventors: Chun-Lin Yeh, Chien-Hsing Chen
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Patent number: 6465492Abstract: A heterocyclic compound has the following formula (I) wherein Y represents a substituted or unsubstituted ethylene group or a trimethylene group, W represents the group —SO2R1, X represents an oxygen atom or sulfur atom or the group —NR2 or —CHR3, R represents a hydrogen atom or a methyl group and Z represents a pyridyl group.Type: GrantFiled: April 12, 2001Date of Patent: October 15, 2002Assignee: Sinon CorporationInventors: Chun-Lin Yeh, Chien-Hsing Chen
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Patent number: 6307053Abstract: A process for preparing imidacloprid involves reacting 2-nitroiminoimidazolidine with 2-chloro-5-chloromethyl pyridine in the presence of an alkali carbonate in an organic solvent. A stoichiometric amount of the 2-chloro-5-chloromethyl pyridine is gradually added into mixture of a corresponding stoichiometric amount of the 2-nitroiminoimidazolidine and the organic solvent under reflux condition.Type: GrantFiled: December 29, 2000Date of Patent: October 23, 2001Assignee: Sinon CorporationInventors: Chun-Lin Yeh, Chien-Hsing Chen