Patents by Inventor Xi Wang

Xi Wang 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: 9850473
    Abstract: The present invention provides for recombinant Endo-D and selected mutants that exhibit reduced hydrolysis activity and increased transglycosylation activity for the synthesis of glycoproteins wherein a desired sugar chain is added to a core fucosylated or nonfucosylated GlcNAc-protein acceptor by transglycosylation. Such recombinant Endo-D and selected mutants are useful for efficient glycosylation remodeling of IgG1-Fc domain.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: December 26, 2017
    Assignee: University of Maryland, Baltimore
    Inventor: Lai-Xi Wang
  • Publication number: 20170366967
    Abstract: The present invention discloses a method and a browser for browsing a web page, and a storage medium, and the method comprises: prestoring identity information of an owner user; receiving a web page browsing request from a browsing user, and obtaining the identity information of the browsing user; comparing the identity information of the browsing user with the prestored identity information of the owner user to determine whether the browsing user is the owner user; browsing a web page in a private browsing mode when the browsing user is determined as the owner user; and browsing a web page in a non-private browsing mode when the browsing user is determined as a non-owner user. By the invention, the privacy of browsing behaviors of the owner user may be effectively protected, and the owner user is enabled to examine browsing behaviors of other non-owner users.
    Type: Application
    Filed: August 31, 2017
    Publication date: December 21, 2017
    Inventors: Huijiao YANG, Tingyong TANG, Bo HU, Renfang LIU, Zhipei WANG, Ruiyi ZHOU, Xi WANG, Zhengkai XIE, Bosen HE, Ying HUANG, Wei LI, Cheng FENG, Kai ZHANG, Yulei LIU
  • Patent number: 9845360
    Abstract: The present invention provides for recombinant Endo-S mutants that exhibit reduced hydrolysis activity and increased transglycosylation activity for the synthesis of glycoproteins wherein a desired sialylated oxazoline or synthetic oligosaccharide oxazoline is added to a core fucosylated or nonfucosylated GlcNAc-protein acceptor. Such recombinant Endo-S mutants are useful for efficient glycosylation remodeling of IgG1-Fc domain to provide different antibody glycoforms carrying structurally well-defined Fc N-glycans.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: December 19, 2017
    Assignee: UNIVERSITY OF MARYLAND, BALTIMORE
    Inventors: Lai-Xi Wang, Wei Huang
  • Patent number: 9842225
    Abstract: A method and apparatus for controlling a browser are provided. The method includes: acquiring a characteristic identifier of a user; comparing the characteristic identifier of the user with a pre-stored benchmark characteristic identifier to determine whether the characteristic identifier is identical to the benchmark characteristic identifier; if the characteristic identifier is identical to the benchmark characteristic identifier, entering a pre-set private browsing mode wherein a browser plug-in saves the browsing history data of the user; and when the user completes the browsing, receiving an instruction from the user to close the plug-in and exit the private browsing mode. The method and apparatus for controlling a browser save the browsing data of a user in private browsing mode and prevent other users from accessing such data without the correct characteristic identifier.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: December 12, 2017
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Wei Li, Ying Huang, Huijiao Yang, Ruiyi Zhou, Tingyong Tang, Bo Hu, Kai Zhang, Renfang Liu, Zhipei Wang, Cheng Feng, Zhengkai Xie, Xi Wang, Yulei Liu
  • Patent number: 9843616
    Abstract: A webpage sharing method, an apparatus and a system are disclosed, the method includes: acquiring, by a device with memory and at least one processor, a webpage sharing instruction, acquiring an terminal identification (ID) corresponding to a terminal according to the webpage sharing instruction, acquiring a webpage identifier that identifies at least a portion of the webpage, and transmitting the webpage identifier to an event monitoring process that is associated with a web browser in the terminal corresponding to the ID. The above page sharing method, apparatus and system enable a user to operate without need to additionally open an instant messaging tool so as to avoid extra memory usage, increase memory utilization and improve the running speed of a mobile device.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: December 12, 2017
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Cheng Feng, Tingyong Tang, Zhipei Wang, Hao Tang, Xi Wang, Kai Zhang, Xin Qing, Sirui Liu, Huijiao Yang, Ying Huang, Yulei Liu, Wei Li, Bo Hu, Ruiyi Zhou, Lei Guan, Bosen He, Ning Ma, Yang Li, Yingge Li, Lei Zheng, Zhenan Guan
  • Patent number: 9838253
    Abstract: Object-oriented network virtualization may involve creating and operating virtual network objects (VNO) using a software-programmed networking operating system (SPN OS). A VNO may be a complete representation of a virtual network service provided under the SPN OS. A VNO may have a unique identity and properties, along with an internal set of methods for executing functionality encapsulated by the VNO. A VNO may exhibit persistence and autonomous control to enable improved virtual network services.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: December 5, 2017
    Assignee: Fujitsu Limited
    Inventors: Xi Wang, Motoyoshi Sekiya, Paparao Palacharla, Qiong Zhang, Inwoong Kim
  • Publication number: 20170346593
    Abstract: Methods and systems are provided for determining a shortest minimum regeneration path in an optical network. The method includes creating a virtual node at a source node, the source node communicatively coupled to a destination node through a plurality of nodes and links. The method includes traversing the virtual nodes, wherein traversing the virtual nodes comprises selecting an unvisited virtual node at a node; identifying a candidate virtual node from the unvisited virtual node; determining whether the candidate virtual node exceeds a maximum permitted weight; determining whether the candidate virtual node violates a shortest minimum regeneration path condition; and creating the new virtual node from the candidate virtual node if the candidate virtual node does not exceed the maximum permitted weight and if the candidate virtual node does not violate the shortest minimum regeneration path condition.
    Type: Application
    Filed: May 31, 2016
    Publication date: November 30, 2017
    Inventors: Inwoong Kim, Xi Wang, Qiong Zhang, Paparao Palacharla, Tadashi Ikeuchi
  • Publication number: 20170346719
    Abstract: Methods and systems are provided for determining a shortest path with a constraint in an optical network. The method includes identifying a permitted number of events defined by the constraint. The method further includes creating virtual nodes for each node in the optical network, the virtual nodes corresponding with the permitted number of events. The method also includes traversing the virtual nodes from a source node to a destination node with a shortest path algorithm, wherein traversing the virtual nodes comprises creating virtual links between the virtual nodes when the constraint is not violated, the virtual link corresponding with a physical link; and identifying a shortest path between the source node and the destination node from the virtual links, the shortest path not violating the constraint.
    Type: Application
    Filed: May 31, 2016
    Publication date: November 30, 2017
    Inventors: Inwoong Kim, Xi Wang, Qiong Zhang, Paparao Palacharla, Tadashi Ikeuchi
  • Publication number: 20170327965
    Abstract: An apparatus for substrate metallization from electrolyte is provided. The apparatus comprises: an immersion cell containing metal salt electrolyte; at least one electrode connecting to at least one power supply; an substrate holder holding at least one substrate to expose a conductive side of the substrate to face the at least one electrode, the substrate holder being electricity conducting; an oscillating actuator oscillating the substrate holder with an amplitude and a frequency; at least one ultrasonic device with an operating frequency and an intensity, disposed in the metallization apparatus; at least one ultrasonic power generator connecting to the ultrasonic device; at least one inlet for metal salt electrolyte feed; and at least one outlet for metal salt electrolyte drain.
    Type: Application
    Filed: May 3, 2017
    Publication date: November 16, 2017
    Applicant: ACM Research (Shanghai) Inc.
    Inventors: Hui Wang, Yue Ma, Chuan He, Xi Wang
  • Patent number: 9788197
    Abstract: The present invention discloses a method and a browser for browsing a web page, and a storage medium, and the method comprises: prestoring identity information of an owner user; receiving a web page browsing request from a browsing user, and obtaining the identity information of the browsing user; comparing the identity information of the browsing user with the prestored identity information of the owner user to determine whether the browsing user is the owner user; browsing a web page in a private browsing mode when the browsing user is determined as the owner user; and browsing a web page in a non-private browsing mode when the browsing user is determined as a non-owner user. By the invention, the privacy of browsing behaviors of the owner user may be effectively protected, and the owner user is enabled to examine browsing behaviors of other non-owner users.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: October 10, 2017
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Huijiao Yang, Tingyong Tang, Bo Hu, Renfang Liu, Zhipei Wang, Ruiyi Zhou, Xi Wang, Zhengkai Xie, Bosen He, Ying Huang, Wei Li, Cheng Feng, Kai Zhang, Yulei Liu
  • Patent number: 9786808
    Abstract: The present disclosure provides a method of anodizing a surface of a semiconductor device comprising a p-n junction. The method comprises exposing a first surface portion of the semiconductor device to an electrolytic solution that is suitable for anodizing the first surface portion when an electrical current is directed through a region at the first surface portion. Further, the method comprises exposing a portion of the semiconductor device to electromagnetic radiation in a manner such that the electromagnetic radiation induces the electrical current and the first surface portion anodizes.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: October 10, 2017
    Assignee: NEWSOUTH INNOVATIONS PTY LIMITED
    Inventors: Jie Cui, Xi Wang
  • Publication number: 20170288905
    Abstract: In one or more embodiments, one or more systems of a physical optical network that may implement and/or manage a virtual optical network (VON) that interconnects multiple data centers. Virtual nodes based the multiple data centers to be interconnected may be determined, and each of the virtual nodes may be mapped to at least two physical nodes of the physical optical network. Virtual links for pairs of the virtual nodes may be determined, and each virtual link may be mapped to at least one optical network connection of the physical optical network. At least one of a physical node impairment and an optical network connection impairment that is associated with a first physical node implementing a first virtual node may be detected, and the first virtual node may be implemented via a second physical node.
    Type: Application
    Filed: February 2, 2017
    Publication date: October 5, 2017
    Inventors: Xi Wang, Paparao Palacharla, Qiong Zhang, Inwoong Kim, Tadashi Ikeuchi
  • Patent number: 9772408
    Abstract: A method for extracting scintillation pulse information includes followed steps: 1. obtaining a peak value of the scintillation pulse in a certain energy spectrum, and setting at least three threshold voltages according to the peak value; 2. determining the time when the scintillation pulse passes through the each threshold voltage, wherein each time value and its corresponding threshold voltage form a sampling point; 3. selecting multiple sampling points as sampling points for reconstructing and reconstructing pulse waveform; 4. obtaining the data of original scintillation pulse by using reconstructed pulse waveform. A device for extracting scintillation pulse information includes a threshold voltage setting module (100), a time sampling module (200), a pulse reconstruction module (300) and an information acquiring module (400).
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: September 26, 2017
    Assignee: RAYCAN TECHNOLOGY CO., LTD. (SU ZHOU)
    Inventors: Qingguo Xie, Peng Xiao, Xi Wang, Na Li, Yuanbao Chen, Wei Liu
  • Publication number: 20170260641
    Abstract: An apparatus and method for uniform metallization on substrate are provided, achieving highly uniform metallic film deposition at a rate far greater than a conventional film growth rate in electrolyte solutions. The apparatus includes an immersion bath (3021), at least one set of electrode (3002), a substrate holder (3003), at least one ultra/mega sonic device (3004), a reflection plate (3005), and a rotating actuator (3030). The immersion bath contains at least one metal salt electrolyte (3020). The at least one set of electrode (3002) connects to an independent power supply. The substrate holder (3003) holds at least one substrate and electrically connects with a conductive side of the substrate. The conductive side of the substrate is exposed to face the electrode. The at least one ultra/mega sonic device (3004) and the reflection plate (3005) are disposed parallel for generating ultra/mega sonic standing wave in the immersion bath.
    Type: Application
    Filed: November 25, 2014
    Publication date: September 14, 2017
    Applicant: ACM Research (Shanghai) Inc.
    Inventors: Xi Wang, Hui Wang
  • Patent number: 9755893
    Abstract: A method of provisioning a network may include receiving a mapping solution for one or more virtual optical network (VON) requests including virtual nodes and virtual links. The mapping solution may include one mapping pattern for each VON request and each mapping pattern may include an ordered list of physical nodes. The method may also include formulating inequality constraint equations based on physical links that are shared by multiple virtual links. The method may also include formulating range constraint equations for each virtual link based on a physical link for each virtual link with a lowest number of optical transmission slots such that each virtual link occupy a same optical transmission slot across all physical links that are traversed by the virtual link. The inequality and range constraint equations may be solved with satisfiability modulo theories to obtain a slot assignment solution.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: September 5, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Qianqian Wang, Mukul R. Prasad, Indradeep Ghosh, Xi Wang, Paparao Palacharla
  • Publication number: 20170250096
    Abstract: An apparatus and method for cleaning semiconductor wafer are provided. The apparatus includes a brush module, a swing arm, a rotating actuator and an elevating actuator. The brush module has a brush head for providing mechanical force on a surface of a wafer. An end of the swing arm mounts the brush module. The rotating actuator is connected with the other end of the swing arm. The rotating actuator drives the swing arm to swing across the whole surface of the wafer, which brings the brush head moving across the whole surface of the wafer. The elevating actuator is connected with the other end of the swing arm. The elevating actuator drives the swing arm to rise or descend, which brings the brush module rising or descending. The apparatus cleans the semi-conductor wafer by means of the brush head, which improves the cleaning effect.
    Type: Application
    Filed: September 26, 2014
    Publication date: August 31, 2017
    Applicant: ACM Research (Shanghai) Inc.
    Inventors: Xi Wang, Cheng Cheng, Jun Wu, Hui Wang
  • Patent number: 9735873
    Abstract: A method of provisioning an optical network may include receiving one or more virtual optical network (VON) requests. Each VON request may include one or more virtual nodes and one or more virtual links. The virtual nodes may have one or more candidate nodes corresponding to a physical optical network. The method may also include identifying mapping patterns for VON requests by iteratively assigning each virtual node to one of their candidate nodes for each combination of candidate nodes and assigning each virtual link to corresponding physical links. The method may also include formulating a first set of constraint equations based on mapping patterns for the VON requests and formulating a second set of constraint equations based on physical optical network constraints. The first and second set of constraint equations may be solved by satisfiability modulo theories to obtain a mapping solution.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: August 15, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Indradeep Ghosh, Mukul R. Prasad, Xi Wang, Paparao Palacharla
  • Publication number: 20170205922
    Abstract: The present disclosure provides a color filter substrate, a method of manufacturing the color filter substrate, a touch screen and a display device, and pertains to the technical field of touch screen. The color filter substrate includes a transparent substrate, and a touch screen panel pattern provided on a side of the transparent substrate. A surface of the touch screen panel pattern is provided with a plurality of concave curved faces.
    Type: Application
    Filed: February 29, 2016
    Publication date: July 20, 2017
    Inventor: Xi Wang
  • Patent number: 9699074
    Abstract: Optical transceiver sharing methods may be based on different ROADM node architectures for shared restoration in flexible grid optical networks. A ROADM node architecture with a pool of transceivers may improve transceiver utilization for backup optical paths, compared to a conventional ROADM node architecture. Sharing of transceivers in the pool for working and backup optical paths may further improve transceiver utilization. The methods disclosed herein may be used for multiple bit rates and different modulation formats.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: July 4, 2017
    Assignee: Fujitsu Limited
    Inventors: Qiong Zhang, Xi Wang, Paparao Palacharla, Motoyoshi Sekiya
  • Publication number: 20170185366
    Abstract: The present disclosure relates to a method and device for inputting information. The method includes: establishing a network connection with a relay device; obtaining input information from the relay device, wherein the input information is received at an auxiliary input terminal and is sent from the auxiliary input terminal to the relay device; and displaying the input information at an input position on a main input terminal.
    Type: Application
    Filed: December 23, 2016
    Publication date: June 29, 2017
    Inventors: Xi WANG, Dian FAN, Daokuan LIU, Zengxiang LV, Xiaoyin LI