Patents by Inventor Yueh-Hui Lin
Yueh-Hui 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: 9068967Abstract: Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis.Type: GrantFiled: July 25, 2014Date of Patent: June 30, 2015Assignee: Apex Biotechnology Corp.Inventors: Sz-Hau Chen, Yueh-Hui Lin, Ching-Yuan Chu, Chu-Ming Cheng, Guan-Ting Chen, Yi-Chen Lu, Thomas Y. S. Shen
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Publication number: 20140367261Abstract: Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis.Type: ApplicationFiled: July 25, 2014Publication date: December 18, 2014Applicant: Apex Biotechnology Corp.Inventors: Sz-Hau Chen, Yueh-Hui Lin, Ching-Yuan Chu, Chu-Ming Cheng, Guan-Ting Chen, Yi-Chen Lu, Thomas Y.S. Shen
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Patent number: 8828322Abstract: Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis.Type: GrantFiled: June 9, 2011Date of Patent: September 9, 2014Assignee: Apex Biotechnology Corp.Inventors: Sz-Hau Chen, Yueh-Hui Lin, Ching-Yuan Chu, Chu-Ming Cheng, Guan-Ting Chen, Yi-Chen Lu, Thomas Y.S. Shen
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Patent number: 8802036Abstract: A reaction cassette for biochemical assay, a biochemical assay device including a first space configured to accommodate liquid, having a first opening and rounding edges, a direction of the first opening being directed upward. A second space includes a second opening, a direction of the second opening being perpendicular to the direction of the first opening, wherein the first space and the second space are disposed such that when the reaction cassette is rotated allowing the liquid to drain into the second space. A third space is located below the first space and having a third opening, a direction of the third opening being upward such that when the reaction cassette is reversibly rotated allowing the liquid to drain into the third space, wherein an array of bumps is disposed in the third space to create turbulence of the liquid. An inner partition wall, connected with the second opening and the third opening, acts as a liquid flow channel between the second space and the third space.Type: GrantFiled: November 4, 2012Date of Patent: August 12, 2014Assignee: Apex Biotechnology Corp.Inventors: Sz-Hau Chen, Yueh-Hui Lin, Chun-Ju Chen
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Patent number: 8617490Abstract: A reaction cassette for biochemical assay, a biochemical assay device including the reaction cassette, and a biochemical assay method performed by using the biochemical assay device are provided. The reaction cassette includes a first space, a second space, a third space, and an inner wall. The first space is configured to accommodate liquid and includes a first opening facing upward. The second space includes a second opening whose direction is perpendicular to the direction of the first opening. The first space and the second space are disposed such that when the reaction cassette is rotated, liquid in the first space can flow into the second space. The third space is located under the first space and includes a third opening whose direction is the same as the direction of the first opening. The inner wall connects the second opening and the third opening, which serves as a liquid flow channel between the second space and the third space.Type: GrantFiled: July 7, 2010Date of Patent: December 31, 2013Assignee: Apex Biotechnology Corp.Inventors: Kai Tsung Teng, Yueh-Hui Lin, Thomas Y. S. Shen
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Patent number: 8613850Abstract: A system for electrochemical quantitative analysis is provided. The system includes a measuring apparatus having a plurality of analysis modes. Each of the analysis modes is for quantitatively analyzing different biochemical substance. The system further includes a plurality of test strips. Each of the test strips has a different identification component for a different analysis mode. When one of the plurality of test strips is selected to electronically connect to the measuring apparatus, the measuring apparatus executes one of the plurality of analysis modes according to the identification component of the selected test strip to quantitatively analyze a corresponding biochemical substance.Type: GrantFiled: September 21, 2008Date of Patent: December 24, 2013Assignee: Apex Biotechnology Corp.Inventors: Yueh-Hui Lin, Guan-Ting Chen, Te-Ho Chen, Ching-Yuan Chu, Jui-Ping Wang, Cheng Allen Chang, Thomas Y. S. Shen
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Patent number: 8512532Abstract: The present invention relates to a reaction film formulation used in the preparation of a non-enzymatic whole blood uric acid detecting electrode strip, which comprises an electron mediator, a water-soluble polymer carrier, and a volatile organic solvent, and to whole blood biosensor systems.Type: GrantFiled: February 21, 2008Date of Patent: August 20, 2013Assignee: Apex Biotechnology CorporationInventors: Yueh-Hui Lin, Thomas Y. S. Shen
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Patent number: 8409424Abstract: An electrochemical test strip, an electrochemical test system, and a measurement method using the same are provided. The electrochemical test strip includes an insulating substrate, an electrode system formed on the insulating substrate, and an insulating layer formed on the electrode system. The electrode system includes a set of measurement electrodes, a set of identifying electrodes, and a resistive path having a predetermined resistance value. The set of identifying electrodes is made of metal material, and the resistive path is made of non-metal material. The set of measurement electrodes includes a reference electrode and a working electrode insulated from each other, and the set of identifying electrodes includes a first identifying electrode and a second identifying electrode connected with each other through the resistive path.Type: GrantFiled: December 18, 2009Date of Patent: April 2, 2013Assignee: Apex Biotechnology Corp.Inventors: Guan-Ting Chen, Yueh-Hui Lin, Kai-Tsung Teng, Sz-Hau Chen, Thomas Y. S. Shen
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Patent number: 8236154Abstract: The present invention provides a surface-modified electrode strip for measuring an electrochemical signal that is synergistically amplified by means of a nano-scaled gold particle layer and a lipid-soluble electron mediator layer. A biosensor comprising the electrode strip is also provided.Type: GrantFiled: June 16, 2008Date of Patent: August 7, 2012Assignee: Apex Biotechnology Corp.Inventors: Sz-Hau Chen, Chih-Sheng Lin, Guan-Tin Chen, Yueh-Hui Lin, Thomas Y. S. Shen
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Publication number: 20120152764Abstract: A hemoglobin-detecting electrode test strip is provided, which includes an insulating substrate; an electrode system; an insulating layer that partially covers the electrode system so that one uncovered portion on the electrode system forms an electrochemical reaction region and another uncovered portion on the electrode system forms a conductive wire connecting region; and a reaction layer including an electron mediator and an anion surfactant and at least partially covering the electrochemical reaction region. A device for detecting hemoglobin is further provided, which includes the hemoglobin-detecting electrode test strip and an electrochemical sensor.Type: ApplicationFiled: February 28, 2012Publication date: June 21, 2012Inventors: Yueh-Hui LIN, Yi-Feng Cheng, Chih-Hsuan Chang, Thomas Y.S. Shen
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Publication number: 20110303556Abstract: Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis.Type: ApplicationFiled: June 9, 2011Publication date: December 15, 2011Inventors: Sz-Hau Chen, Yueh-Hui Lin, Ching-Yuan Chu, Chu-Ming Cheng, Guan-Ting Chen, Yi-Chen Lu, Thomas Y.S, Shen
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Publication number: 20110104731Abstract: A reaction cassette for biochemical assay, a biochemical assay device including the reaction cassette, and a biochemical assay method performed by using the biochemical assay device are provided. The reaction cassette includes a first space, a second space, a third space, and an inner wall. The first space is configured to accommodate liquid and includes a first opening facing upward. The second space includes a second opening whose direction is perpendicular to the direction of the first opening. The first space and the second space are disposed such that when the reaction cassette is rotated, liquid in the first space can flow into the second space. The third space is located under the first space and includes a third opening whose direction is the same as the direction of the first opening. The inner wall connects the second opening and the third opening, which serves as a liquid flow channel between the second space and the third space.Type: ApplicationFiled: July 7, 2010Publication date: May 5, 2011Applicant: APEX BIOTECHNOLOGY CORP.Inventors: Kai Tsung TENG, Yueh-Hui LIN, Thomas Y. S. SHEN
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Publication number: 20100252453Abstract: A control solution for determining the performance of an electrochemical sensing system for measuring the concentration of an analyte in a body fluid sample and methods using the same are provided. The control solution contains the analyte at a predetermined amount and an alcohol-containing adjustor. The control solution generates a current signal from the electrochemical sensing system when the performance of the electrochemical sensing system is qualified and obtains a measured concentration corresponding to the current signal, wherein the measured concentration is less than the real concentration corresponding to the predetermined amount.Type: ApplicationFiled: March 31, 2010Publication date: October 7, 2010Applicant: APEX BIOTECHNOLOGY CORP.Inventors: Kai-Tsung TENG, Chien-Chuan LIN, Shih-Chang WANG, Yueh-Hui LIN, Thomas Y.S. SHEN
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Publication number: 20100089775Abstract: An electrochemical test strip, an electrochemical test system, and a measurement method using the same are provided. The electrochemical test strip includes an insulating substrate, an electrode system formed on the insulating substrate, and an insulating layer formed on the electrode system. The electrode system includes a set of measurement electrodes, a set of identifying electrodes, and a resistive path having a predetermined resistance value. The set of identifying electrodes is made of metal material, and the resistive path is made of non-metal material. The set of measurement electrodes includes a reference electrode and a working electrode insulated from each other, and the set of identifying electrodes includes a first identifying electrode and a second identifying electrode connected with each other through the resistive path.Type: ApplicationFiled: December 18, 2009Publication date: April 15, 2010Applicant: Apex Biotechnology Corp.Inventors: Guan-Ting CHEN, Yueh-Hui Lin, Kai-Tsung Teng, Sz-Hau Chen, Thomas Y. S. Shen
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Publication number: 20090321254Abstract: A hemoglobin-detecting electrode test strip is provided, which includes an insulating substrate; an electrode system; an insulating layer that partially covers the electrode system so that one uncovered portion on the electrode system forms an electrochemical reaction region and another uncovered portion on the electrode system forms a conductive wire connecting region; and a reaction layer including an electron mediator and an anion surfactant and at least partially covering the electrochemical reaction region. A device for detecting hemoglobin is further provided, which includes the hemoglobin-detecting electrode test strip and an electrochemical sensor.Type: ApplicationFiled: March 4, 2009Publication date: December 31, 2009Inventors: Yueh-Hui Lin, Yi-Feng Cheng, Chih-Hsuan Chang, Thomas Y.S. Shen
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Publication number: 20090145753Abstract: A biochemical test system, a measurement device, and a biochemical test strip are provided. The biochemical test strip includes an insulating substrate, an electrode system disposed on the insulating substrate, and an identifying unit disposed on one side of the insulating substrate. The identifying unit includes N components, and at least one of the N components includes a groove. It should be noted that the term āNā in this specification is an integer greater than two. The measurement device includes a microprocessor and a connector, wherein the connector is coupled to the identifying unit for receiving a signal of an identification code corresponding to the identifying unit, and the microprocessor is coupled to the connector for receiving the signal from the connector.Type: ApplicationFiled: August 27, 2008Publication date: June 11, 2009Inventors: Mon Wen Yang, Ching-Yuan Chu, Yueh-Hui Lin, Ming-Chang Hsu, Jui-Ping Wang, Thomas Y.S. Shen
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Publication number: 20090145754Abstract: A biochemical test system, a measurement device, a biochemical test strip and a method of making the same are provided. The biochemical test system includes a biochemical test strip and a measurement device. The biochemical test strip includes an insulating substrate, an electrode system disposed on the insulating substrate, and a pattern code disposed on one side of the insulating substrate. The pattern code includes N components and at least one of the N components penetrates the insulating substrate. The measurement device includes a microprocessor and a connector. The connector is coupled to the pattern code and the electrode system for receiving signals corresponding to the pattern code. The microprocessor is coupled to the connector for receiving signals from the connector.Type: ApplicationFiled: February 28, 2008Publication date: June 11, 2009Applicant: APEX BIOTECHNOLOGY CORP.Inventors: Mon Wen Yang, Ching-Yuan Chu, Yueh-Hui Lin, Ming-Chang Hsu, Jui-Ping Wang, Thomas Y.S. Shen
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Publication number: 20090078588Abstract: A system for electrochemical quantitative analysis is provided. The system includes a measuring apparatus having a plurality of analysis modes. Each of the analysis modes is for quantitatively analyzing different biochemical substance. The system further includes a plurality of test strips. Each of the test strips has a different identification component for a different analysis mode. When one of the plurality of test strips is selected to electronically connect to the measuring apparatus, the measuring apparatus executes one of the plurality of analysis modes according to the identification component of the selected test strip to quantitatively analyze a corresponding biochemical substance.Type: ApplicationFiled: September 21, 2008Publication date: March 26, 2009Applicant: APEX BIOTECHNOLOGY CORP.Inventors: Yueh-Hui Lin, Guan-Ting Chen, Te-Ho Chen, Ching-Yuan Chu, Jui-Ping Wang, Cheng Allen Chang, Thomas Y.S. Shen
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Publication number: 20090008247Abstract: The present invention provides a surface-modified electrode strip for measuring an electrochemical signal that is synergistically amplified by means of a nano-scaled gold particle layer and a lipid-soluble electron mediator layer. A biosensor comprising the electrode strip is also provided.Type: ApplicationFiled: June 16, 2008Publication date: January 8, 2009Applicant: Apex Biotechnology Corp.Inventors: Sz-Hau Chen, Chih-Sheng Lin, Guan-Tin Chen, Yueh-Hui Lin, Thomas Y.S. Shen
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Publication number: 20080142362Abstract: The present invention relates to a reaction film formulation used in the preparation of a non-enzymatic whole blood uric acid detecting electrode strip, which comprises an electron mediator, a water-soluble polymer carrier, and a volatile organic solvent, and to whole blood biosensor systems.Type: ApplicationFiled: February 21, 2008Publication date: June 19, 2008Applicant: Apex Biotechnology CorporationInventors: Yueh-Hui LIN, Thomas Y.S. Shen