Patents by Inventor Wang Zhan
Wang Zhan 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: 20230335679Abstract: Provided are a light-emitting diode and a semiconductor device.Type: ApplicationFiled: June 8, 2023Publication date: October 19, 2023Inventors: Changwei Song, Licheng Huang, Yuan Guo, Wang Zhan, Chih-Ching Cheng, Ling Lu
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Publication number: 20230038850Abstract: Methods, systems, and computer programs are presented for a flood-recovery analysis tool. One method includes operations for accessing weather information for a geographical region divided into cells and for generating runoff data based on the weather information. The runoff data includes a predicted amount of free-running water on a surface of each cell of the region. Further, the method includes operations for generating a prediction of inflow and outflow of water between cells, and for calculating, for a plurality of sub-cells of each cell in the geographical region, a predicted water depth in each sub-cell based on the prediction of the inflow and outflow between cells and a hydraulic model. Additionally, the method includes operations for generating a flood inundation map showing the predicted water depth at each sub-cell in the geographical region, and for causing presentation of the flood inundation map in a user interface of a display device.Type: ApplicationFiled: October 24, 2022Publication date: February 9, 2023Inventors: Ahmad Wani, Nicole Hu, Wang Zhan, Seungjin Baek, Jessica Frank
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Publication number: 20220413181Abstract: Methods, systems, and computer programs are presented for determining flood levels within a region. One method includes an operation for detecting an alert generated by one of a riverine, a coastal, or an urban model. Further, the method includes operations for selecting one or more regions for estimating flood data based on the detected alert, and for calculating, by an inundation model, region flood data for each of the selected regions based on outputs from the riverine model, the coastal model, and the urban model. Additionally, the method includes an operation for combining the region flood data for the selected one or more regions to obtain combined flood data. The combined flood data is presented on a user interface, such as on a flood inundation map.Type: ApplicationFiled: June 29, 2021Publication date: December 29, 2022Inventors: Ahmad Wani, Nicole Hu, Feyera Hirpa, Wang Zhan, Shabaz Patel, Samuel Lamont, Yi Liu, Zhuo Liu, Ting Li, Yu Zhang
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Patent number: 11519146Abstract: Methods, systems, and computer programs are presented for a flood-recovery analysis tool. One method includes operations for accessing weather information for a geographical region divided into cells and for generating runoff data based on the weather information. The runoff data includes a predicted amount of free-running water on a surface of each cell of the region. Further, the method includes operations for generating a prediction of inflow and outflow of water between cells, and for calculating, for a plurality of sub-cells of each cell in the geographical region, a predicted water depth in each sub-cell based on the prediction of the inflow and outflow between cells and a hydraulic model. Additionally, the method includes operations for generating a flood inundation map showing the predicted water depth at each sub-cell in the geographical region, and for causing presentation of the flood inundation map in a user interface of a display device.Type: GrantFiled: April 17, 2018Date of Patent: December 6, 2022Assignee: ONE CONCERN, INC.Inventors: Ahmad Wani, Nicole Hu, Wang Zhan, Seungjin Baek, Jessica Frank
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Patent number: 11383293Abstract: The invention provides a double station vacuum die casting machine, comprising a driving device, a first die casting unit, a second die casting unit, a feeding component, a vacuum pump and a housing, the vacuum pump is arranged outside the housing, the driving device is arranged inside the housing, and the first die casting unit and the second die casting unit are respectively arranged on both sides of the driving device; the driving device comprises a driving unit, a first injection rod assembly and a second injection rod assembly, the first injection rod assembly and the second injection rod assembly are respectively arranged on both sides of the driving unit, the first injection rod assembly is used to provide power for die casting of the first die casting unit, and the second injection rod assembly is used to provide power for the second die casting unit.Type: GrantFiled: April 23, 2021Date of Patent: July 12, 2022Assignee: Yanshan UniversityInventors: Xin Jin, Xueqian Yu, Wang Zhan, Tingzhi Ren, Yuanzhe Jin
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Patent number: 11289489Abstract: A capacitor structure including a semiconductor substrate; a dielectric layer on the semiconductor substrate; a storage node pad in the dielectric layer; a lower electrode including a bottle-shaped bottom portion recessed into the dielectric layer and being in direct contact with the storage node pad; and a lattice layer supporting a topmost part of the lower electrode, wherein the lattice layer is not directly contacting the dielectric layer, but is directly contacting the topmost part of the lower electrode. The bottle-shaped bottom portion extends to a sidewall of the storage node pad. The bottle-shaped bottom portion has a width that is wider than other portion of the lower electrode.Type: GrantFiled: March 9, 2020Date of Patent: March 29, 2022Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Feng-Yi Chang, Fu-Che Lee, Yi-Wang Zhan, Chieh-Te Chen
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Publication number: 20210331234Abstract: The invention provides a double station vacuum die casting machine, comprising a driving device, a first die casting unit, a second die casting unit, a feeding component, a vacuum pump and a housing, the vacuum pump is arranged outside the housing, the driving device is arranged inside the housing, and the first die casting unit and the second die casting unit are respectively arranged on both sides of the driving device; the driving device comprises a driving unit, a first injection rod assembly and a second injection rod assembly, the first injection rod assembly and the second injection rod assembly are respectively arranged on both sides of the driving unit, the first injection rod assembly is used to provide power for die casting of the first die casting unit, and the second injection rod assembly is used to provide power for the second die casting unit.Type: ApplicationFiled: April 23, 2021Publication date: October 28, 2021Inventors: Xin Jin, Xueqian Yu, Wang Zhan, Tingzhi Ren, Yuanzhe Jin
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Patent number: 10909647Abstract: Methods, systems, and computer programs are presented for updating estimates of damage caused by a disaster based on newly acquired damage data. One method includes operations for generating block damage estimates in a geographical region after an event (e.g., a natural disaster such as an earthquake or a tornado), accessing input damage data for one or more buildings within a first block, and adjusting the block damage estimate of the first block based on the input damage data. One or more related blocks within a threshold distance from the first block are identified, and for each related block, a respective propagation coefficient is determined based on a comparison of features of the first block with features of each related block. The block damage estimate for the one or more related blocks is recalculated based on the respective propagation coefficient.Type: GrantFiled: January 16, 2017Date of Patent: February 2, 2021Assignee: ONE CONCERN, INC.Inventors: Ahmad Wani, Nicole Hu, Timothy Frank, Wang Zhan
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Patent number: 10900130Abstract: A fuel preparation reaction system includes: an electrolytic hydrogen production equipment connected to a power supply device of a power generation plant and configured to produce hydrogen through electrolysis with surplus power from peak regulation of the power generation plant as a power supply; a fuel preparation reaction equipment configured to produce fuel with hydrogen and carbon dioxide; an input end of the fuel preparation reaction equipment is connected to a hydrogen output pipe of an electrolytic hydrogen production device, while another input end is connected to a supply source of carbon dioxide, a fuel output port being connected to a fuel collection device or a fuel utilization device. The system can directly consume peak-regulation power from a power plant, thereby improving power grid balance and differences between peaks and valleys, while achieving phase-changed storage of electric energy and effective usage of energy.Type: GrantFiled: August 30, 2017Date of Patent: January 26, 2021Assignee: HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO., LTD.Inventors: Yusen Yang, Hua Cui, Bo Xu, Zhi Tan, Hui Chen, Wang Zhan, Chao Chen, Mingzhi Zhu
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Patent number: 10853377Abstract: In an embodiment, a computer-implemented method of assimilation of soil moisture data is disclosed. The method comprises receiving, by a processor, a digital data model related to soil moisture with a plurality of parameters for a given geographical location. The method also comprises identifying a time-based or event-based trigger for a first of the plurality of parameters. The method further comprises receiving, by the processor, a plurality of values for the plurality of parameters measured from soil samples for a series of time points.Type: GrantFiled: November 15, 2017Date of Patent: December 1, 2020Assignee: THE CLIMATE CORPORATIONInventors: Wang Zhan, John Gates
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Patent number: 10762588Abstract: Methods, systems, and computer programs are presented for a flood-recovery analysis tool. One method includes operations for generating a prediction of water depth in a geographical region based on weather data for the geographical region and topography data for the geographical region, and causing presentation of a flood inundation map showing the prediction of water depth in a user interface of a display device. The user interface includes an option for entering flood mitigation measures. Further, the method includes operations for receiving the flood mitigation measures via the user interface, updating the topography data to include the received flood mitigation measures, and generating an updated prediction of the water depth in the geographical region based on the updated topography data. An updated flood inundation map is presented in the user interface showing the updated prediction of the water depth and a geographical location of the flood mitigation measures.Type: GrantFiled: April 17, 2018Date of Patent: September 1, 2020Assignee: ONE CONCERN, INC.Inventors: Ahmad Wani, Nicole Hu, Timothy Frank, Wang Zhan, Seungjin Baek, Jessica Frank
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Publication number: 20200212042Abstract: A capacitor structure including a semiconductor substrate; a dielectric layer on the semiconductor substrate; a storage node pad in the dielectric layer; a lower electrode including a bottle-shaped bottom portion recessed into the dielectric layer and being in direct contact with the storage node pad; and a lattice layer supporting a topmost part of the lower electrode, wherein the lattice layer is not directly contacting the dielectric layer, but is directly contacting the topmost part of the lower electrode. The bottle-shaped bottom portion extends to a sidewall of the storage node pad. The bottle-shaped bottom portion has a width that is wider than other portion of the lower electrode.Type: ApplicationFiled: March 9, 2020Publication date: July 2, 2020Inventors: Feng-Yi Chang, Fu-Che Lee, Yi-Wang Zhan, Chieh-Te Chen
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Patent number: 10672648Abstract: A method of forming a semiconductor memory device includes following steps. First of all, a dielectric layer is formed on a semiconductor substrate, and a conductive pad is formed in the dielectric layer. Then, a stacked structure is formed on the dielectric layer, and the stacked structure includes a first layer, a second layer and a third layer stacked one over another on the conductive pad. Next, a patterned mask layer is formed on the stacked structure, and a portion of the stacked structure is removed, to form an opening in the stacked structure, with the opening having a tapered sidewall in the second layer and the first layer. After that, the tapered sidewall of the opening in the second layer is vertically etched, to form a contact opening in the stacked structure. Finally, the patterned mask layer is removed.Type: GrantFiled: March 27, 2018Date of Patent: June 2, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Feng-Yi Chang, Fu-Che Lee, Yi-Wang Zhan
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Patent number: 10664937Abstract: Methods, systems, and computer programs are presented for flood-risk analysis and mapping. One method includes operations for presenting, in a graphical user interface (GUI), options for calculating a flood risk map, and receiving, via the GUI, input identifying a geographical region and a weather scenario. Further, the method includes operations for dividing the geographical region into cells; calculating, utilizing a hydrological model, an inflow and an outflow of water between cells in the geographical region based on the weather scenario; and calculating, utilizing a hydraulic model, water depth in each cell based on the weather scenario and the inflow and outflow of water between cells. The flood risk map, generated based on the calculated water depth in each cell, shows the probability that each cell in the geographical region will be inundated with water under the weather scenario. The flood risk map is presented in the GUI.Type: GrantFiled: April 17, 2018Date of Patent: May 26, 2020Assignee: ONE CONCERN, INC.Inventors: Ahmad Wani, Nicole Hu, Timothy Frank, Wang Zhan, Seungjin Baek, Jessica Frank
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Patent number: 10658366Abstract: A method for fabricating semiconductor device includes the steps of: providing a material layer having a contact pad therein; forming a dielectric layer on the material layer and the contact pad; forming a doped oxide layer on the dielectric layer; forming an oxide layer on the doped oxide layer; performing a first etching process to remove part of the oxide layer, part of the doped oxide layer, and part of the dielectric layer to form a first contact hole; performing a second etching process to remove part of the doped oxide layer to form a second contact hole; and forming a conductive layer in the second contact hole to form a contact plug.Type: GrantFiled: March 14, 2018Date of Patent: May 19, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Chia-Liang Liao, Feng-Yi Chang, Fu-Che Lee, Chieh-Te Chen, Yi-Wang Zhan
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Publication number: 20200131648Abstract: A fuel preparation reaction system includes: an electrolytic hydrogen production equipment connected to a power supply device of a power generation plant and configured to produce hydrogen through electrolysis with surplus power from peak regulation of the power generation plant as a power supply; a fuel preparation reaction equipment configured to produce fuel with hydrogen and carbon dioxide; an input end of the fuel preparation reaction equipment is connected to a hydrogen output pipe of an electrolytic hydrogen production device, while another input end is connected to a supply source of carbon dioxide, a fuel output port being connected to a fuel collection device or a fuel utilization device. The system can directly consume peak-regulation power from a power plant, thereby improving power grid balance and differences between peaks and valleys, while achieving phase-changed storage of electric energy and effective usage of energy.Type: ApplicationFiled: August 30, 2017Publication date: April 30, 2020Applicant: HEPU ENERGY ENVIRONMENIAL TECHNOLOGY CO., LTD.Inventors: Yusen YANG, Hua CUI, Bo XU, Zhi TAN, Hui CHEN, Wang ZHAN, Chao CHEN, Mingzhi ZHU
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Patent number: 10622362Abstract: A capacitor structure includes a semiconductor substrate, a dielectric layer disposed on the semiconductor substrate, a storage node pad disposed in the dielectric layer, and a cylindrical lower electrode including a bottom portion recessed into the dielectric layer and in contact with the storage node pad. The bottom extends to a sidewall of the storage node pad.Type: GrantFiled: June 18, 2019Date of Patent: April 14, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Feng-Yi Chang, Fu-Che Lee, Yi-Wang Zhan, Chieh-Te Chen
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Patent number: 10535610Abstract: A semiconductor structure is disclosed. The semiconductor structure includes a substrate having a scribe line region. A material layer is formed on the scribe line region and has a rectangular region defined therein. The rectangular region has a pair of first edges parallel with a widthwise direction of the scribe line region and a pair of second edges parallel with a lengthwise direction of the scribe line region. A pair of first alignment features is formed in the material layer along the first edges, and a pair of second alignment features is formed in the material layer along the second edges. The space between the pair of first alignment features is larger than a space between the pair of the second alignment features.Type: GrantFiled: June 7, 2018Date of Patent: January 14, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Feng-Yi Chang, Fu-Che Lee, Yi-Wang Zhan, Chia-Liang Liao, Yu-Cheng Tung, Chien-Hao Chen, Chia-Hung Wang
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Publication number: 20190316309Abstract: Methods, systems, and computer programs are presented for a flood-recovery analysis tool. One method includes operations for accessing weather information for a geographical region divided into cells and for generating runoff data based on the weather information. The runoff data includes a predicted amount of free-running water on a surface of each cell of the region. Further, the method includes operations for generating a prediction of inflow and outflow of water between cells, and for calculating, for a plurality of sub-cells of each cell in the geographical region, a predicted water depth in each sub-cell based on the prediction of the inflow and outflow between cells and a hydraulic model. Additionally, the method includes operations for generating a flood inundation map showing the predicted water depth at each sub-cell in the geographical region, and for causing presentation of the flood inundation map in a user interface of a display device.Type: ApplicationFiled: April 17, 2018Publication date: October 17, 2019Inventors: Ahmad Wani, Nicole Hu, Wang Zhan, Seungjin Baek, Jessica Frank
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Publication number: 20190318439Abstract: Methods, systems, and computer programs are presented for a flood-recovery analysis tool. One method includes operations for generating a prediction of water depth in a geographical region based on weather data for the geographical region and topography data for the geographical region, and causing presentation of a flood inundation map showing the prediction of water depth in a user interface of a display device. The user interface includes an option for entering flood mitigation measures. Further, the method includes operations for receiving the flood mitigation measures via the user interface, updating the topography data to include the received flood mitigation measures, and generating an updated prediction of the water depth in the geographical region based on the updated topography data. An updated flood inundation map is presented in the user interface showing the updated prediction of the water depth and a geographical location of the flood mitigation measures.Type: ApplicationFiled: April 17, 2018Publication date: October 17, 2019Inventors: Ahmad Wani, Nicole Hu, Timothy Frank, Wang Zhan, Seungjin Baek, Jessica Frank