Patents by Inventor Chi-Yen Shen
Chi-Yen Shen 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: 11378549Abstract: A gas sensor comprises a basic part and a sensing layer deposited on the basic part. The basic part includes a circuit board and at least one surface acoustic wave element disposed on the circuit board. The sensing layer is a nanocomposite film of reduced graphene oxide/tungsten oxide/polypyrrole deposited on the surface acoustic wave element. The sensing layer combines reduced graphene oxide, metal oxide, and conductive polymer, so that the sensing layer is able to perform sensing at room temperature, and can be more sensitive. The present invention provides a method for manufacturing a gas sensor, and a gas sensing system including the gas sensor.Type: GrantFiled: March 20, 2020Date of Patent: July 5, 2022Assignee: I-SHOU UNIVERSITYInventors: Chi-Yen Shen, Tien-Tsan Hung, Jing-Jay Chiu, Ming Wen Yang
-
Publication number: 20210293755Abstract: A gas sensor comprises a basic part and a sensing layer deposited on the basic part. The basic part includes a circuit board and at least one surface acoustic wave element disposed on the circuit board. The sensing layer is a nanocomposite film of reduced graphene oxide/tungsten oxide/polypyrrole deposited on the surface acoustic wave element. The sensing layer combines reduced graphene oxide, metal oxide, and conductive polymer, so that the sensing layer is able to perform sensing at room temperature, and can be more sensitive. The present invention provides a method for manufacturing a gas sensor, and a gas sensing system including the gas sensor.Type: ApplicationFiled: March 20, 2020Publication date: September 23, 2021Inventors: Chi-Yen SHEN, Tien-Tsan HUNG, Jing-Jay CHIU, Ming Wen YANG
-
Patent number: 9005912Abstract: The present invention provides a hybridoma cell line (DSM ACC3145), wherein the hybridoma cell line produces an antibody which specifically binds to an amino acid sequence of type II collagen comprising: K-G-E-P-G-D-D-G-P-S-C (as set forth in SEQ ID NO. 1); and a method for detecting osteoarthritis, by identifying a presence of type II collagen in a urine sample through containing the urine sample with the said antibody.Type: GrantFiled: July 30, 2012Date of Patent: April 14, 2015Assignee: I-Shou UniversityInventors: Chih-Hsin Hung, Chi-Yen Shen, Shyh-Ming Kuo, I-Fen Chen, Shih-Han Wang
-
Publication number: 20130309694Abstract: The present invention provides a hybridoma cell line (DSM ACC3145), wherein the hybridoma cell line produces an antibody which specifically binds to an amino acid sequence of type II collagen comprising: K-G-E-P-G-D-D-G-P-S-C (as set forth in SEQ ID NO. 1); and a method for detecting osteoarthritis, by identifying a presence of type II collagen in a urine sample through containing the urine sample with the said antibody.Type: ApplicationFiled: July 30, 2012Publication date: November 21, 2013Inventors: Chih-Hsin HUNG, Chi-Yen Shen, Shyh-Ming Kuo, I-Fen Chen, Shih-Han Wang
-
Patent number: 8522602Abstract: A system is provided for detecting a liquid sample, and includes: a flow cell assembly formed with a sample receiving space therein, and inlet and outlet channels extending to the sample receiving space for guiding the liquid sample into and away from the sample receiving space; a sensor device including a sample detecting unit that is disposed in the sample receiving space, and that is operable to detect the liquid sample and to generate a detection signal accordingly, and a signal conducting unit that is connected electrically to the sensor device for conducting the detection signal therefrom; and a liquid introducing unit and a liquid discharging unit coupled to the inlet and outlet channels and cooperating therewith to form an introducing path and a discharging path for introducing the liquid sample into and for discharging the liquid sample from the sample receiving space, respectively.Type: GrantFiled: April 21, 2011Date of Patent: September 3, 2013Assignee: I Shou UniversityInventors: Chi-Yen Shen, Ke-Nung Huang, Shen-Li Fu, Jian-Jhong Chen, Yu-Fong Huang
-
Publication number: 20120266662Abstract: A system is provided for detecting a liquid sample, and includes: a flow cell assembly formed with a sample receiving space therein, and inlet and outlet channels extending to the sample receiving space for guiding the liquid sample into and away from the sample receiving space; a sensor device including a sample detecting unit that is disposed in the sample receiving space, and that is operable to detect the liquid sample and to generate a detection signal accordingly, and a signal conducting unit that is connected electrically to the sensor device for conducting the detection signal therefrom; and a liquid introducing unit and a liquid discharging unit coupled to the inlet and outlet channels and cooperating therewith to form an introducing path and a discharging path for introducing the liquid sample into and for discharging the liquid sample from the sample receiving space, respectively.Type: ApplicationFiled: April 21, 2011Publication date: October 25, 2012Applicant: I SHOU UNIVERSITYInventors: Chi-Yen Shen, Ke-Nung Huang, Shen-Li Fu, Jian-Jhong Chen, Yu-Fong Huang
-
Patent number: 8241570Abstract: A flow cell device is formed with: a plurality of cell recess portions adapted to cooperate with a plurality of sensor devices to confine a plurality of sample receiving space for receiving a liquid sample, respectively; a plurality of pairs of first and second guiding channels, each pair being in fluid communication with a respective one of the cell recess portions; a number of connecting recess portions each fluidly communicating the first and second guiding channels that respectively extend to a corresponding pair of the cell recess portions such that the liquid sample is able to flow through the sample receiving spaces sequentially; and inlet and outlet channels in fluid communication with the first and second guiding channels that respectively extend to a first one and a last one of the cell recess portions for introducing and discharging the liquid sample into and from the flow cell device, respectively.Type: GrantFiled: February 3, 2011Date of Patent: August 14, 2012Assignee: I Shou UniversityInventors: Chi-Yen Shen, Jian-Jhong Chen, Yu-Fong Huang
-
Publication number: 20120199479Abstract: A flow cell device is formed with: a plurality of cell recess portions adapted to cooperate with a plurality of sensor devices to confine a plurality of sample receiving space for receiving a liquid sample, respectively; a plurality of pairs of first and second guiding channels, each pair being in fluid communication with a respective one of the cell recess portions; a number of connecting recess portions each fluidly communicating the first and second guiding channels that respectively extend to a corresponding pair of the cell recess portions such that the liquid sample is able to flow through the sample receiving spaces sequentially; and inlet and outlet channels in fluid communication with the first and second guiding channels that respectively extend to a first one and a last one of the cell recess portions for introducing and discharging the liquid sample into and from the flow cell device, respectively.Type: ApplicationFiled: February 3, 2011Publication date: August 9, 2012Applicant: I SHOU UNIVERSITYInventors: Chi-Yen Shen, Jian-Jhong Chen, Yu-Fong Huang
-
Publication number: 20120047994Abstract: A nitrogenous gas sensor comprises a piezoelectricity plate which has a sensing surface; two transducers placed on the sensing surface of the piezoelectricity plate for transduction of electrostatic potential energy and acoustic energy, in order to generate surface acoustic waves on the piezoelectricity plate; and a sensing layer installed on the sensing surface of the piezoelectricity plate between the two transducers, which is consisted of polyaniline and tungsten oxide.Type: ApplicationFiled: November 9, 2010Publication date: March 1, 2012Inventors: Chi-Yen Shen, Shih-Han Wang
-
Publication number: 20110306152Abstract: A system for determining concentration of a predetermined osteoarthritis biomarker in a urine sample includes first cell and first limiting elements, a quartz crystal microbalance (QCM) sensor device having a sample contacting side, and a monitoring device. The first cell element has a sensor confronting side formed with a recess portion. The first limiting element is disposed at the sensor confronting side, is disposed to surround the recess portion, contacts the sample contacting side, and cooperates with the recess portion and the sample contacting side to confine a sample receiving space for receiving the urine sample. The QCM sensor device includes a quartz resonator and an antibody applied to the quartz resonator and capable of binding with the biomarker, generates a concentration signal corresponding to mass of the biomarker that binds to the antibody, and is coupled to the monitoring device to provide the concentration signal thereto for processing thereby.Type: ApplicationFiled: June 9, 2010Publication date: December 15, 2011Applicant: I SHOU UNIVERSITYInventors: Chi-Yen Shen, Chih-Hsin Hung, I-Fen Chen, Shih-Han Wang
-
Patent number: 7459094Abstract: A method for making a SAW device package includes the steps of: forming a pattern of a metal layer, that defines transmitting and receiving transducers of a SAW die, on a wafer; forming a pattern of a first photo sensitive layer, which defines a peripheral wall of a cap of the SAW die, on the metal layer and the wafer through lithography techniques; forming a pattern of a second photo sensitive layer, which defines a cover wall of the cap of the SAW die, on the first photo sensitive layer through lithography techniques; curing the first and second photo sensitive layers; dicing the wafer into SAW dies; and encapsulating the SAW dies with a molding compound.Type: GrantFiled: February 16, 2007Date of Patent: December 2, 2008Assignee: I Shou UniversityInventor: Chi-Yen Shen
-
Publication number: 20070187360Abstract: A method for making a SAW device package includes the steps of: forming a pattern of a metal layer, that defines transmitting and receiving transducers of a SAW die, on a wafer; forming a pattern of a first photo sensitive layer, which defines a peripheral wall of a cap of the SAW die, on the metal layer and the wafer through lithography techniques; forming a pattern of a second photo sensitive layer, which defines a cover wall of the cap of the SAW die, on the first photo sensitive layer through lithography techniques; curing the first and second photo sensitive layers; dicing the wafer into SAW dies; and encapsulating the SAW dies with a molding compound.Type: ApplicationFiled: February 16, 2007Publication date: August 16, 2007Inventor: Chi-Yen Shen
-
Patent number: 7198725Abstract: A method for making a SAW device package includes the steps of: forming a pattern of a metal layer, that defines transmitting and receiving transducers of a SAW die, on a wafer; forming a pattern of a first photo sensitive layer, which defines a peripheral wall of a cap of the SAW die, on the metal layer and the wafer through lithography techniques; forming a pattern of a second photo sensitive layer, which defines a cover wall of the cap of the SAW die, on the first photo sensitive layer through lithography techniques; curing the first and second photo sensitive layers; dicing the wafer into SAW dies; and encapsulating the SAW dies with a molding compound.Type: GrantFiled: November 5, 2004Date of Patent: April 3, 2007Inventor: Chi-Yen Shen
-
Publication number: 20060113874Abstract: A SAW device package includes a SAW die, a molding compound, and conductive leads. The SAW die includes a piezoelectric substrate having a transducer-mounting surface, transmitting and receiving transducers that are formed on the transducer-mounting surface and that have conductive connecting pads, and a cap that is formed on and that is reduced in size from the transducer-mounting surface and that cooperates with the substrate to define an embedded air cavity therebetween in such a manner that the transmitting and receiving transducers are confined in the embedded air cavity. The SAW die is encapsulated by the molding compound. The leads are connected electrically to the connecting pads and extend outwardly of the molding compound.Type: ApplicationFiled: November 5, 2004Publication date: June 1, 2006Inventor: Chi-Yen Shen
-
Publication number: 20060096945Abstract: A method for making a SAW device package includes the steps of: forming a pattern of a metal layer, that defines transmitting and receiving transducers of a SAW die, on a wafer; forming a pattern of a first photo sensitive layer, which defines a peripheral wall of a cap of the SAW die, on the metal layer and the wafer through lithography techniques; forming a pattern of a second photo sensitive layer, which defines a cover wall of the cap of the SAW die, on the first photo sensitive layer through lithography techniques; curing the first and second photo sensitive layers; dicing the wafer into SAW dies; and encapsulating the SAW dies with a molding compound.Type: ApplicationFiled: November 5, 2004Publication date: May 11, 2006Inventor: Chi-Yen Shen
-
Publication number: 20040244466Abstract: The invention provides ammonia gas sensor and its manufacturing method. Said ammonia gas sensor comprises a piezoelectric substrate, a surface acoustic wave sensor, and a L-glutamic acid hydrochloride coating; said surface acoustic wave sensor and said L-glutamic acid hydrochloride coating are on the said piezoelectric substrate.Type: ApplicationFiled: June 6, 2003Publication date: December 9, 2004Inventor: Chi-Yen Shen