Patents by Inventor YIFAN DAI
YIFAN DAI 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: 20240154284Abstract: A phase shifter and a wireless communication device are provided. The phase shifter includes a first substrate, a radio frequency transmission line arranged on a side of the first substrate, and a bias line connected to the radio frequency transmission line. The bias line includes a first wire and a second wire. A sheet resistance of the second wire is greater than a sheet resistance of the radio frequency transmission line. The first wire and the radio frequency transmission line are connected and form an integrated structure. A line width of the first wire is less than a line width of the radio frequency transmission line. The second wire and the first wire form a lapping region in an extension direction of the first wire. In the lapping region, the second wire is arranged on a side of the first wire away from the first substrate.Type: ApplicationFiled: January 16, 2024Publication date: May 9, 2024Applicants: CHENGDU TIANMA MICROELECTRONICS CO., LTD., SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yifan XING, Baiquan LIN, Yifan BAO, Xiaonan HAN, Taohua CHEN, Linzhi WANG, Kerui XI, Shengwei DAI
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Publication number: 20240154303Abstract: An antenna is provided in this application. The antenna includes multiple radiating units, at least two adjacent radiating units are correspondingly provided with a respective decoupling structure, the decoupling structure includes two microstrip line units, one microstrip line unit of the two microstrip line units includes at least one microstrip line, and the two microstrip line units are located on two opposite sides of two radiating units in a direction perpendicular to an arrangement direction of two adjacent radiating units. According to the antenna provided in the embodiments of the present disclosure, the decoupling structure composed of the microstrip line are disposed on two sides of the at least two adjacent radiating units, so that an indirect coupling field is formed by the decoupling structure, and the indirect coupling field counteracts a direct coupling field between adjacent radiating units.Type: ApplicationFiled: January 8, 2024Publication date: May 9, 2024Applicant: Shanghai Tianma Microelectronics Co., Ltd.Inventors: Yifan XING, Zhenyu JIA, Xiaonan HAN, Baiquan LIN, Kerui XI, Xiaojun CHEN, Yingru HU, Shengwei DAI
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Patent number: 11697807Abstract: A CRISPR electrochemical biosensing system (E-CRISPR) for detection of analytes includes a disposable, micro-fabricated three-electrode sensor that includes a working electrode, a counter electrode, a reference electrode, and a nonspecific ssDNA reporter with an electrochemical tag for signal transduction tethered to a surface of the working electrode; and a Cas12a-crRNA duplex that is designed to specifically recognize and cleave target nucleic acid strand based on the protospacer adjacent motif (PAM) sequence of the target and crRNA sequence, wherein the PAM recognition depends on specific 5? TTTN nucleic acid sequence located at an opposite strand of a recognition strand, and wherein only upon the recognition of the PAM sequence by the Cas protein, the Cas protein, acting as a DNA helicase, unwinds the target DNA.Type: GrantFiled: September 30, 2020Date of Patent: July 11, 2023Assignee: CASE WESTERN RESERVE UNIVERSITYInventors: Chung Chiun Liu, Yifan Dai
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Publication number: 20230174983Abstract: Provided is gRNA specifically targeting ?4GalNT2 gene. The gRNA specifically binds to the nucleotide sequence shown in any one of SEQ ID NOs. 1 and 2. Also provided are an animal model constructed using the gRNA, and an application thereof in the field of biomedicine.Type: ApplicationFiled: July 13, 2021Publication date: June 8, 2023Inventors: Yifan DAI, Haiyuan YANG
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Patent number: 11255811Abstract: A sensor for the detection of lead includes a substrate, a working electrode formed on a surface of the substrate, a counter electrode formed on the surface of the substrate, a dielectric layer covering a portion of the working electrode and counter electrode and defining an aperture exposing other portions of the working electrode and counter electrode. The working electrode includes a metalized film with working surface and a monolayer (or bilayer) of bismuth deposited on the working surface by underpotential deposition.Type: GrantFiled: April 25, 2018Date of Patent: February 22, 2022Assignee: CASE WESTERN RESERVE UNIVERSITYInventors: Chung Chiun Liu, Yifan Dai
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Patent number: 11180763Abstract: Provided is an SgRNA combination, comprising an SgRNA specifically targeting the GGTA1 gene, an SgRNA specifically targeting the CMAH gene and an SgRNA specifically targeting the ?4GalNT2 gene. Also provided is a CRISPR/Cas9 vector combination, comprising a GGTA1-CRISPR/Cas9 vector, a CMAH-CRISPR/Cas9 vector and a ?4GalNT2-CRISPR/Cas9 vector. Also provided is an applicaton of the CRISPR/Cas9 vector combination in knocking out the GGTA1 gene, the CMAH gene and the ?4GalNT2 gene. The knockout rates of the three genes with the specifically targeted SgRNA sequences are respectively 56%, 63%, and 41%. A three genes knockoutpig can be obtained, wherein the three genes related to immune rejectionare knocked out, and heart valves of said pig can be acquired.Type: GrantFiled: March 14, 2019Date of Patent: November 23, 2021Assignee: Nanjing Genefriend-Biotech Inc.Inventors: Yifan Dai, Haiyuan Yang, Ying Wang
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Patent number: 11125713Abstract: A sensor for the detection of analyte includes a substrate, a working electrode and counter electrode formed on a surface of the substrate, and an antibody bioconjugated to a surface of an exposed portion of the working electrode.Type: GrantFiled: March 15, 2019Date of Patent: September 21, 2021Assignee: CASE WESTERN RESERVE UNIVERSITYInventors: Chung Chiun Liu, Yifan Dai
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Publication number: 20210254004Abstract: A blood product may be derived from a gene knockout pig and used in, e.g., medical applications. The binding of the blood product to immunoglobulin in human serum is reduced, and the blood product can have an effect on overcoming hyperacute immune rejection. The blood product may be derived from a gene knockout pig, wherein a GGTA1 gene, a CMAH gene, and/or a ?4GalNT2 gene of the gene knockout pig are knocked out, wherein one or more nucleotides in the ?4GalNT2 gene encoding one or more amino acids in exon 8 are deleted such that the ?4GalNT2 gene is knocked out.Type: ApplicationFiled: May 7, 2019Publication date: August 19, 2021Applicant: GCREATENE (SUZHOU) BIOTECHNOLOGY CO., LTD.Inventors: Yifan DAI, Haiyuan YANG, Ying WANG
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Publication number: 20210246436Abstract: A CRISPR electrochemical biosensing system (E-CRISPR) for detection of analytes includes a disposable, micro-fabricated three-electrode sensor that includes a working electrode, a counter electrode, a reference electrode, and a nonspecific ssDNA reporter with an electrochemical tag for signal transduction tethered to a surface of the working electrode; and a Cas12a-crRNA duplex that is designed to specifically recognize and cleave target nucleic acid strand based on the protospacer adjacent motif (PAM) sequence of the target and crRNA sequence, wherein the PAM recognition depends on specific 5? TTTN nucleic acid sequence located at an opposite strand of a recognition strand, and wherein only upon the recognition of the PAM sequence by the Cas protein, the Cas protein, acting as a DNA helicase, unwinds the target DNA,Type: ApplicationFiled: September 30, 2020Publication date: August 12, 2021Inventors: Chung Chiun Liu, Yifan Dai
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Publication number: 20210148913Abstract: A sensor for the detection of AMACR and/or PSA includes a substrate, a working electrode and counter electrode formed on a surface of the substrate, and an anti-AMACR antibody and/or anti-PSA antibody bioconjugated to a surface of an exposed portion of the working electrode.Type: ApplicationFiled: April 15, 2019Publication date: May 20, 2021Inventors: Chung Chiun Liu, Yifan Dai, Jiwei Yao, Yuan Wang
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Publication number: 20210102913Abstract: A sensor for the detection of 17?-estradiol in a sample includes a substrate, a working electrode and counter electrode formed on a surface of the substrate, and an anti-estrogen receptor functionalized or chemically functionalized to a surface of an exposed portion of the working electrode.Type: ApplicationFiled: March 29, 2018Publication date: April 8, 2021Inventors: Chung-Chiun Liu, Yifan Dai, Laurie Dudik
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Publication number: 20210002652Abstract: Provided is an SgRNA combination, comprising an SgRNA specifically targeting the GGTA1 gene, an SgRNA specifically targeting the CMAH gene and an SgRNA specifically targeting the ?4GalNT2 gene. Also provided is a CRISPR/Cas9 vector combination, comprising a GGTA1-CRISPR/Cas9 vector, a CMAH-CRISPR/Cas9 vector and a ?4GalNT2-CRISPR/Cas9 vector. Also provided is an applicaton of the CRISPR/Cas9 vector combination in knocking out the GGTA1 gene, the CMAH gene and the ?4GalNT2 gene. The knockout rates of the three genes with the specifically targeted SgRNA sequences are respectively 56%, 63%, and 41%. A three genes knockoutpig can be obtained, wherein the three genes related to immune rejectionare knocked out, and heart valves of said pig can be acquired.Type: ApplicationFiled: March 14, 2019Publication date: January 7, 2021Inventors: Yifan DAI, Haiyuan YANG, Ying WANG
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Publication number: 20200182821Abstract: A sensor for the detection of lead includes a substrate, a working electrode formed on a surface of the substrate, a counter electrode formed on the surface of the substrate, a dielectric layer covering a portion of the working electrode and counter electrode and defining an aperture exposing other portions of the working electrode and counter electrode. The working electrode includes a metalized film with working surface and a monolayer (or bilayer) of bismuth deposited on the working surface by underpotential deposition.Type: ApplicationFiled: April 25, 2018Publication date: June 11, 2020Inventors: Chung Chiun LIU, Yifan Dai
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Publication number: 20200018717Abstract: A sensor for the detection of analyte includes a substrate, a working electrode and counter electrode formed on a surface of the substrate, and an antibody bioconjugated to a surface of an exposed portion of the working electrode.Type: ApplicationFiled: March 15, 2019Publication date: January 16, 2020Inventors: Chung Chiun Liu, Yifan Dai, Stephanie Harrington, Yun Yen
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Publication number: 20190204268Abstract: A non-enzymatic sensor for the detection of glucose includes a substrate, a working electrode formed on a surface of the substrate; a counter electrode formed on the surface of the substrate; a dielectric layer covering a portion of the working electrode and counter electrode and defining an aperture exposing other portions of the working electrode and counter electrode; and a cuprous oxide (Cu2O) film electrodeposited on the working electrode.Type: ApplicationFiled: January 2, 2019Publication date: July 4, 2019Inventors: Chung Chiun Liu, Yifan Dai
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Publication number: 20190064102Abstract: A sensor for the detection of GPC-1 in a sample includes a substrate, a working electrode and counter electrode formed on a surface of the substrate, and an anti-GPC-1 antibody functionalized or chemically functionalized to a surface of an exposed portion of the working electrode.Type: ApplicationFiled: August 30, 2018Publication date: February 28, 2019Inventors: Chung Chiun Liu, Yifan Dai
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Publication number: 20180252665Abstract: A sensor for the detection of ?-amyloid 42, T-Tau, and/or P-Tau in a sample includes a substrate, a working electrode and counter electrode formed on a surface of the substrate, and an anti-?-amyloid 42 antibody, anti-T-Tau antibody, and/or anti-P-Tau antibody functionalized or chemically functionalized to a surface of an exposed portion of the working electrode.Type: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Inventors: Chung Chiun Liu, Yifan Dai
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Patent number: 9559989Abstract: In a computer network comprising a stack device and a plurality of network devices, the plurality of network devices are each connected to the stack device via a respective aggregation link comprising a plurality of member links and the stack device comprises a first stack member and a second stack member connected to the first stack member via a stack link. A correspondence is formed between a first route and the first stack member. The first route is used by the first stack member for forwarding traffic from a first network device to a second network device of the plurality, and comprises a member link via which the traffic is forwarded from the first stack member.Type: GrantFiled: December 23, 2013Date of Patent: January 31, 2017Assignee: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LPInventor: Yifan Dai
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Publication number: 20150295861Abstract: In a computer network comprising a stack device and a plurality of network devices, the plurality of network devices are each connected to the stack device via a respective aggregation link comprising a plurality of member links and the stack device comprises a first stack member and a second stack member connected to the first stack member via a stack link. A correspondence is formed between a first route and the first stack member. The first route is used by the first stack member for forwarding traffic from a first network device to a second network device of the plurality, and comprises a member link via which the traffic is forwarded from the first stack member.Type: ApplicationFiled: December 23, 2013Publication date: October 15, 2015Inventor: Yifan DAI
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Patent number: 9115977Abstract: A variable near-null compensator for measuring aspheric surfaces by subaperture stitching includes a pair of counter-rotating CGH phase plates, each of the phase plates having a phase function including two terms Z5 and Z7 of Zernike polynomials. The phase plates are mounted on a pair of precision rotary center-through tables, wherein rotational axes of the pair of precision rotary center-through tables coincide with the optical axes of the phase plates. A figure metrology apparatus includes a wavefront interferometer, the test mirror mount, the near-null compensator and the mechanical adjustment components therefor. The optical axis of the near-null compensator coincides with the optical axis of the interferometer. A method for measuring aspheric surfaces by subaperture stitching includes the steps of mounting the test mirror, measuring the subapertures with the figure metrology apparatus, and finally processing the data by stitching.Type: GrantFiled: July 20, 2012Date of Patent: August 25, 2015Assignee: NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGYInventors: Shanyong Chen, Yifan Dai, Shengyi Li, Xiaoqiang Peng, Chao Xie, Yanglin Peng