Patents by Inventor Yutao Ma
Yutao Ma 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: 20240018130Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.Type: ApplicationFiled: September 14, 2023Publication date: January 18, 2024Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.Inventors: Lei Chen, Dongliang Guan, Hua Bai, Jun Gou, Weifeng Zhao, Zhongli Wang, Long Ling, Yutao Ma
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Patent number: 11827625Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.Type: GrantFiled: March 31, 2021Date of Patent: November 28, 2023Inventors: Lei Chen, Dongliang Guan, Hua Bai, Jun Gou, Weifeng Zhao, Zhongli Wang, Long Ling, Yutao Ma
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Publication number: 20230373972Abstract: The present disclosure relates to a piperazine derivative, a preparation method therefor, and use thereof in medicine. Specifically, the present invention relates to a piperazine derivative represented by general formula (I), a preparation method therefor, and a pharmaceutically acceptable salt or prodrug thereof, and use thereof as a therapeutic agent, in particular, as an inhibitor of coagulation factor XIa (FXIa), wherein the definition of each substituent in general formula (I) is the same as that in the description.Type: ApplicationFiled: September 16, 2021Publication date: November 23, 2023Applicants: Zhejiang Hisun Pharmaceutical Co., Ltd., Shanghai Aryl Pharmtec Co., Ltd.Inventors: Haibo QIU, Yutao MA, Ahuan CHEN, Yabo ZHU, Binhao ZHANG, Yongping LU, Cheng YE, Taishan HU, Wenjian QIAN, Lei CHEN
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Publication number: 20220257602Abstract: The present invention relates to an alkyne derivative, a preparation method for same, and applications thereof in medicine. Specifically, the present invention relates to the alkyne derivative as represented by formula (I), the preparation method for same, a pharmaceutically acceptable salt thereof, and uses of them as a therapeutic agent, specifically as a phosphoinositide 3-kinase ? (PI3K?) inhibitor, where the definitions of the substituents in formula (I) are identical to the definitions in the description.Type: ApplicationFiled: July 6, 2020Publication date: August 18, 2022Applicants: ZHEJIANG HISUN PHARMACEUTICAL CO., LTD., HISUN ACCURAY THERAPEUTICS CO., LTD.Inventors: Hejun LV, Yutao MA, Haibo QIU, Wenwen ZHAO, Taishan HU, Lei CHEN
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Publication number: 20210221797Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.Type: ApplicationFiled: March 31, 2021Publication date: July 22, 2021Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.Inventors: Lei Chen, Dongliang Guan, Hua Bai, Jun Gou, Weifeng Zhao, Zhongli Wang, Long Ling, Yutao Ma
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Patent number: 11001572Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.Type: GrantFiled: February 25, 2020Date of Patent: May 11, 2021Inventors: Lei Chen, Dongliang Guan, Hua Bai, Jun Gou, Weifeng Zhao, Zhongli Wang, Long Ling, Yutao Ma
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Publication number: 20200327207Abstract: The disclosure related to transient sensitivity analysis. A computer implemented method includes receiving a description of the circuit, performing a first pass transient simulation of the circuit using the time steps and the plurality of circuit parameters, includes determining time steps for performing sensitivity analysis of the circuit, recording circuit states at each time step for each node of the circuit based on the first pass transient simulation in a first database, where the circuit states includes a first set of circuit solutions, performing a second pass sensitivity simulation of the circuit using the time steps, variations of the plurality of circuit parameters and the first database, recording a second set of circuit solutions due to variations of the plurality of circuit parameters, and determining deviations of between the first set of circuit solutions and the second set of circuit solutions.Type: ApplicationFiled: April 11, 2019Publication date: October 15, 2020Inventors: Yutao MA, Zhenzhong Zhang
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Publication number: 20200207745Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.Type: ApplicationFiled: February 25, 2020Publication date: July 2, 2020Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.Inventors: Lei Chen, Dongliang Guan, Hua Bai, Jun Gou, Weifeng Zhao, Zhongli Wang, Long Ling, Yutao Ma
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Patent number: 10654836Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.Type: GrantFiled: May 19, 2017Date of Patent: May 19, 2020Assignee: Zhejiang Hisun Pharmaceutical Co., Ltd.Inventors: Lei Chen, Dongliang Guan, Hua Bai, Jun Gou, Weifeng Zhao, Zhongli Wang, Long Ling, Yutao Ma
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Patent number: 10339240Abstract: Methods and systems are disclosed for determining a yield of a circuit in semiconductor manufacturing. In one embodiment, a computer implemented method includes performing a first pass of Monte Carlo simulations of the circuit to identify a plurality of failed sampling points in a high sigma region of a statistical distribution, partitioning the plurality of failed sampling points into a plurality of clusters based on angular separation of the plurality of failed sampling points, determining a boundary of each cluster in the plurality of clusters, performing sensitivity analysis from the boundary of the each cluster to identify an estimated closest failed sampling point associated with the each cluster, and performing a second pass of Monte Carlo simulations of the circuit to determine the yield of the circuit using the estimated closest failed sampling point associated with the each cluster and the boundary of each cluster in the plurality of clusters.Type: GrantFiled: December 11, 2015Date of Patent: July 2, 2019Inventors: Bruce W. McGaughy, Yutao Ma
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Publication number: 20190161476Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.Type: ApplicationFiled: May 19, 2017Publication date: May 30, 2019Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.Inventors: Lei Chen, Dongliang Guan, Hua Bai, Jun Gou, Weifeng Zhao, Zhongli Wang, Long Ling, Yutao Ma
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Publication number: 20170169147Abstract: Methods and systems are disclosed for determining a yield of a circuit in semiconductor manufacturing. In one embodiment, a computer implemented method includes performing a first pass of Monte Carlo simulations of the circuit to identify a plurality of failed sampling points in a high sigma region of a statistical distribution, partitioning the plurality of failed sampling points into a plurality of clusters based on angular separation of the plurality of failed sampling points, determining a boundary of each cluster in the plurality of clusters, performing sensitivity analysis from the boundary of the each cluster to identify an estimated closest failed sampling point associated with the each cluster, and performing a second pass of Monte Carlo simulations of the circuit to determine the yield of the circuit using the estimated closest failed sampling point associated with the each cluster and the boundary of each cluster in the plurality of clusters.Type: ApplicationFiled: December 11, 2015Publication date: June 15, 2017Inventors: Bruce W. McGaughy, Yutao Ma
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Patent number: 7979814Abstract: Model evaluation and circuit simulation/verification is performed in a graphical processing unit (GPU). A multitude of first texture data corresponding to size parameters of devices are stored. A multitude of second texture data corresponding to instance parameters of the devices are stored. A multitude of third texture data corresponding to models of the devices are stored. A multitude of fourth texture data corresponding to terminal voltages received by the device are stored. A multitude of links linking each device instance to an associated device model, size parameters and instance parameters are stored. A quad having a size defined by the multitude of links is drawn by the quad in the GPU. Each thread in the quad is assigned to a different one of the multitude of links. The computations are carried out in each thread using the linked data to perform the model evaluation.Type: GrantFiled: March 12, 2008Date of Patent: July 12, 2011Assignee: ProPlus Design Solutions, Inc.Inventors: Yutao Ma, Yi Xu
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Patent number: 7933747Abstract: Method and system are disclosed for modeling dynamic behavior of a transistor. The method includes representing static behavior of a transistor using a lookup table, selecting an instance of the transistor from the lookup table for modeling dynamic behavior of the transistor, computing a previous state of the instance using a non-quasi static analytical model, computing a variation in channel charge of the instance according to a rate of change in time, computing a current state of the instance using the previous state and the variation in channel charge, computing a modified terminal voltage that includes a dynamic voltage across a parasitic resistance at the terminal of the transistor according to the current state and previous state of the instance, and storing the modified terminal voltage in a memory device for modeling dynamic behavior of the transistor at the current state.Type: GrantFiled: November 6, 2007Date of Patent: April 26, 2011Assignee: Cadence Design Systems, Inc.Inventors: Yutao Ma, Min-Chie Jeng, Bruce W. McGaughy, Lifeng Wu, Zhihong Liu
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Patent number: 7815495Abstract: A pad conditioner is provided for conditioning a polishing pad in chemical mechanical planarization (CMP). The pad conditioner comprises a plastic abrasive portion having a first hardness and optionally a brush portion having a second hardness less than the first hardness. The plastic abrasive portion comprises a base plate and a plurality of plastic nodules formed on a surface of the base plate, each of the plastic nodules having a planar top surface, wherein the planar top surface is positioned to substantially contact a polishing pad. The brush portion may be positioned adjacent to the plastic abrasive portion, the brush portion having a plurality of brush elements positioned to substantially contact the pad.Type: GrantFiled: April 11, 2007Date of Patent: October 19, 2010Assignee: Applied Materials, Inc.Inventors: Kun Xu, Jimin Zhang, James C. Wang, Thomas H. Osterheld, Yutao Ma, Steven M. Zuniga, Jin Yi
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Patent number: 7606693Abstract: A solution of a first set of equations of the time-varying electrical response of a circuit is determined between pairs of adjacent time points ti and ti+1 based on predicted electrical responses of the devices at time point ti+1 and as a function of the initial temperatures of the circuit devices at time point ti. A solution of a second set of equations of the time-varying temperature responses of devices of the circuit is determined (1) after each iteration of the first set of equations and as a function thereof or (2) at each time point ti+1 and as a function of the solution of the first set of equations at the time point to determine the corresponding temperature response of the circuit. The solutions of the first and second sets of equations at one or more of the points in time are displayed.Type: GrantFiled: September 12, 2005Date of Patent: October 20, 2009Assignee: Cadence Design Systems, Inc.Inventors: Min-Che Jeng, Yutao Ma, Zhihong Liu
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Publication number: 20090119085Abstract: Method and system are disclosed for modeling dynamic behavior of a transistor. The method includes representing static behavior of a transistor using a lookup table, selecting an instance of the transistor from the lookup table for modeling dynamic behavior of the transistor, computing a previous state of the instance using a non-quasi static analytical model, computing a variation in channel charge of the instance according to a rate of change in time, computing a current state of the instance using the previous state and the variation in channel charge, computing a modified terminal voltage that includes a dynamic voltage across a parasitic resistance at the terminal of the transistor according to the current state and previous state of the instance, and storing the modified terminal voltage in a memory device for modeling dynamic behavior of the transistor at the current state.Type: ApplicationFiled: November 6, 2007Publication date: May 7, 2009Inventors: Yutao Ma, Min-Chie Jeng, Bruce W. McGaughy, Lifeng Wu, Zhihong Liu
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Publication number: 20080254722Abstract: A pad conditioner is provided for conditioning a polishing pad in chemical mechanical planarization (CMP). The pad conditioner comprises a plastic abrasive portion having a first hardness and optionally a brush portion having a second hardness less than the first hardness. The plastic abrasive portion comprises a base plate and a plurality of plastic nodules formed on a surface of the base plate, each of the plastic nodules having a planar top surface, wherein the planar top surface is positioned to substantially contact a polishing pad. The brush portion may be positioned adjacent to the plastic abrasive portion, the brush portion having a plurality of brush elements positioned to substantially contact the pad.Type: ApplicationFiled: April 11, 2007Publication date: October 16, 2008Inventors: Kun Xu, Jimin Zhang, James C. Wang, Thomas H. Osterheld, Yutao Ma, Steve M. Zuniga, Jin Xi
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Patent number: 7299428Abstract: The present invention includes a method for detecting model stamping errors during circuit simulation without the need for golden data. The method checks for model stamping errors by determining whether entries in model stamping matrices interrelate according to a plurality of preset rules before circuit equations are solved.Type: GrantFiled: February 6, 2004Date of Patent: November 20, 2007Assignee: Cadence Design Systems, IncInventors: Yutao Ma, Bruce McGaughy, Zhihong Liu
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Publication number: 20070079205Abstract: A solution of a first set of equations of the time-varying electrical response of a circuit is determined between pairs of adjacent time points ti and ti+1 based on predicted electrical responses of the devices at time point ti+1 and as a function of the initial temperatures of the circuit devices at time point ti. A solution of a second set of equations of the time-varying temperature responses of devices of the circuit is determined (1) after each iteration of the first set of equations and as a function thereof or (2) at each time point ti+1 and as a function of the solution of the first set of equations at the time point to determine the corresponding temperature response of the circuit. The solutions of the first and second sets of equations at one or more of the points in time are displayed.Type: ApplicationFiled: September 12, 2005Publication date: April 5, 2007Applicant: Cadence Design Systems, Inc.Inventors: Min-Chie Jeng, Yutao Ma, Zhihong Liu