Patents by Inventor Xiang Xu

Xiang Xu 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).

  • Publication number: 20130023660
    Abstract: Disclosed are carboxamide compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R3, R4, D, J, Z, T, p, q, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: September 18, 2012
    Publication date: January 24, 2013
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Jiaxin Yu, Hui Hong, Ihab S. Darwish, Xiang Xu, Rajinder Singh
  • Publication number: 20120304741
    Abstract: The design and fabrication of ultrathin poly-3-hexyl thiophene (P3HT) film based amine sensors are described herein. Ultrathin P3HT monolayer films can be built on a patterned flexible n-octadecylphosphonic acid (ODPA)/Al2O3/PET substrate, forming a flexible polymer thin film transistor according to a solution process. The mechanism of the sensor is based on the interaction of amine molecules with the surface of the P3HT monolayer. The interaction of amine molecules with the surface of the P3HT monolayer can affect the current density of the PTFT, and the change in current density can indicate the presence of amine molecules in the surroundings. The amine sensors described herein can easily detect amine molecules in a parts per billion (ppb) range. The amine sensors can be utilized, for example, as disposable sensors within food packaging to ensure the safety of the packaged food.
    Type: Application
    Filed: June 3, 2011
    Publication date: December 6, 2012
    Applicant: CITY UNIVERSITY OF HONG KONG
    Inventors: Vellaisamy A. L. Roy, Zong-Xiang Xu
  • Patent number: 8314107
    Abstract: Disclosed are carboxamide compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R3, R4, D, J, Z, T, p, q, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: November 20, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Jiaxin Yu, Hui Hong, Ihab S. Darwish, Xiang Xu, Rajinder Singh
  • Publication number: 20120276687
    Abstract: The design and synthesis of six nickel charge transfer (CT) complexes are described herein. The six nickel CT complexes have a nickel center, two organic ligands coordinated with the nickel center to form a dianionic square planar supramolecule and an organic counter-cation. The ligands and counter-cations are selected to optimize properties, such as molecular alignment, film morphology, and molecular packaging. Described herein, the ligands can be 2,3-pyrazinedithiol (L1), 1,2-benzenedithol (L2) or 2,3-quinoxalinedithol (L3) and the counter-cations can be diquat (2,2?-ebpy) or methyl viologen (4,4?-mbpy). The six nickel CT complexes can also be utilized semiconductor devices, such as thin film transistors or inverters. Processes are also provided for the fabrication of semiconductors devices. The processes can include fabricating a substrate with a bilayer octadecylphosphonic acid (ODPA)/Al2O3 dielectric and applying one of the six nickel charge transfer (CT) complexes to the substrate.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 1, 2012
    Applicant: CITY UNIVERSITY OF HONG KONG
    Inventors: Vellaisamy A. L. Roy, Zong-Xiang Xu, Paul Kim Ho Chu, Tat Kun Kwok
  • Patent number: 8279797
    Abstract: A system and method to provide cross-paging between circuit and packet data networks includes providing a mobile station being on a circuit-switched communication in a first area while maintaining a packet data session on the packet data network. When the mobile station moves to a second location area served by the circuit-switched network while the mobile station is still idle with respect to packet communications on the packet data network the location of the mobile station with respect to the circuit-switched network becomes unknown by the packet data network. In this case, the circuit-switched network informs the packet data network of a change in the mobile switching center serving the mobile station.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: October 2, 2012
    Assignee: Motorola Mobility LLC
    Inventors: Xiang Xu, James S. Marin, Shahab M. Sayeedi
  • Publication number: 20120115838
    Abstract: Disclosed are carboxamide, sulfonamide and amine compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R4, E, T, n and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: January 11, 2012
    Publication date: May 10, 2012
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Hui Hong, Xiang Xu, Jiaxin Yu, Rajinder Singh, Ihab S. Darwish, Sambaiah Thota
  • Publication number: 20120108606
    Abstract: Disclosed are carboxamide, sulfonamide and amine compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R4, D, E, J, T, p, q and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: January 11, 2012
    Publication date: May 3, 2012
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Ihab S. Darwish, Jiaxin Yu, Hui Hong, Rajinder Singh, Sambaiah Thota, Xiang Xu
  • Patent number: 8129390
    Abstract: Disclosed are carboxamide, sulfonamide and amine compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R4, D, E, J, T, p, q and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: March 6, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Ihab S. Darwish, Jiaxin Yu, Hui Hong, Rajinder Singh, Sambaiah Thota, Xiang Xu
  • Patent number: 8123538
    Abstract: The present invention provides an electronic card connector, and intends to arrange one single testing terminal which forms a testing circuit together with an inherent conductive terminal of the electronic card connector, thereby obtaining a testing function which must be done by using two insertion pins in the prior art. Due to omitting one testing terminal, the volume of the electronic card connector is further reduced, and product assembly becomes more simply and opera table, thereby improving product efficiency, and greatly lowing manufacturing cost.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: February 28, 2012
    Assignee: Molex Incorporated
    Inventors: Xiang Xu, Hwa-Li Wang
  • Patent number: 8119809
    Abstract: Disclosed are carboxamide, sulfonamide and amine compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R4, E, T, n and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: February 21, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Hong, Xiang Xu, Jiaxin Yu, Rajinder Singh, Ihab S. Darwish, Sambaiah Thota
  • Patent number: 8090732
    Abstract: Each user can contribute to an original search and to refining the results of the search. Preferences of all of the users are considered in the search even while those preferences can be kept private. In some embodiments of the present invention, at least two users each submit a search query. The multiple search queries are logically combined to produce one set of search results. The results can be reviewed by the users and refined if necessary. In some embodiments, a search query can be specified by a single user, but the search engine takes into consideration the stored preferences of multiple users (in addition to the search query itself, of course).
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: January 3, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Swee M. Mok, William P. Alberth, John R. Barr, Jonathan R. Engelsma, Steven F. Gillig, Xiang Xu
  • Patent number: 8090342
    Abstract: An apparatus and method for sending emergency alert information to inactive mobile stations in a wireless communication system includes a step of receiving 802, by a radio access network, emergency alert information for mobile stations. A next step includes determining 803 wake-up periods for at least two inactive mobile stations. A next step includes sending 805 a message to each of the at least two mobile stations, during the wake-up periods for each of the at least two each inactive mobile station, that includes instructions to wake up in a common emergency alert listening frame. A next step includes conveying 806 emergency alert instructions in the common emergency listening frame to the mobile stations.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: January 3, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: Xiang Xu, Shahab M. Sayeedi
  • Publication number: 20110306767
    Abstract: The present invention provides N-substituted-heterocycloalkyloxybenzamide compounds, as well as pharmaceutical compositions and methods of use. One embodiment of the invention is a compound having the structure in which R1, R2, R3, R4, T, n, w and x are as described herein. In certain embodiments of the invention, a compound of the present invention activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: July 18, 2011
    Publication date: December 15, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Rajinder Singh, Jiaxin Yu, Hui Hong, Sambaiah Thota, Xiang Xu, Ihab S. Darwish
  • Patent number: 8059897
    Abstract: A method (400) for automatically performing a plurality of image processing functions on an electronic device (100) by providing a plurality of image processing option keys (405) including a first image processing option key and a second image processing option key. The first image processing option key is associated with a first image processing function and the second image processing option key is associated with a second image processing function that is different from the first image processing function. The method (400) performs capturing (410) a first image using a camera (119) in response to a user activation of the first image processing option key and then automatically performing (415) the first image processing function in response to capturing the first image.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: November 15, 2011
    Assignee: Motorola Mobility, Inc.
    Inventors: Xiang Xu, Qi Xiang Li, Zhao Hui Li, Ke Jiao Zhang
  • Patent number: 8012955
    Abstract: The present invention provides N-substituted-heterocycloalkyloxybenzamide compounds, as well as pharmaceutical compositions and methods of use. One embodiment of the invention is a compound having the structure in which R1, R2, R3, R4, T, n, w and x are as described herein. In certain embodiments of the invention, a compound of the present invention activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: September 6, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Jiaxin Yu, Hui Hong, Sambaiah Thota, Xiang Xu, Ihab S. Darwish
  • Patent number: 7912009
    Abstract: Various embodiments are described for supporting mobility in an inter-technology network. Such a network (300, e.g.) includes multiple interconnected access networks, utilizing various access technologies, and perhaps having overlapping, but non-aligned coverage areas. The prior art relies on remote units to originate registration signaling as they move from one service coverage area or registration region to the next, for each of the various access networks. In contrast, embodiments of the present invention utilize network originated signaling to update overlapping networks/network nodes of mobility events of which one access network (120-122, e.g.) is aware but of which other access networks (130, 131 and 133, e.g.) may not be aware.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: March 22, 2011
    Assignee: Motorola Mobility, Inc.
    Inventors: Shahab M. Sayeedi, Xiang Xu
  • Publication number: 20100285296
    Abstract: An advanced structural foam molding technology for improving the dispersion of the blowing agent in the polymer matrix has been invented. This technological innovation is an improvement on the well-known existing low-pressure structural foam molding technology based on the preplasticating-type (so called piggy-bag) injection-molding machines. By introducing means for continuing the polymer matrix melt flow stream, preferably an additional accumulator and a gear pump, the processing conditions become more consistent to disperse the injected gas more uniformly in the polymer matrix. By using this technology, the structural foams have a smaller cell size, a more uniform cell structure, a larger void fraction (i.e., more material saving), less surface swirl, and less weld line contrast.
    Type: Application
    Filed: April 19, 2010
    Publication date: November 11, 2010
    Inventors: Chul B. Park, Xiang Xu
  • Patent number: 7817574
    Abstract: A system and method is disclosed to provide inter-packet-node paging between communication networks. The networks recognize whether inter-network paging is supported therebetween and advertise overlapping codes between networks having adjacent location areas. When the mobile station moves from the first network to the second network, the first network determines whether the second network shares an overlapping code therewith. If the networks share an overlapping code, the first network sends a paging request to the second network including link configuration information and the notification for the mobile station, wherein the notification can be delivered to mobile station in the second location area of the second communication network without the mobile station having to register in the second communication network.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: October 19, 2010
    Assignee: Motorola Mobility, Inc.
    Inventors: Xiang Xu, James S. Marin, Kris K. Marinovich
  • Publication number: 20100190802
    Abstract: Disclosed are carboxamide compounds as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R3, R4, T, p, q, w and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: January 28, 2010
    Publication date: July 29, 2010
    Applicant: Rigel Pharmaceuticals Inc.
    Inventors: Ihab S. Darwish, Hui Hong, Rajinder Singh, Xiang Xu
  • Publication number: 20100161693
    Abstract: A system and method for signing an electronic document obtains a signing tag and document content from a data base to generate an extensible markup language (XML) file of the electronic document. The system and method further converts the XML file to an extensible stylesheet language formatting objects (XSL-FO) file, and converts the XSL-FO file to a portable document format (PDF) file. Furthermore, the method obtains a signing position of the PDF file according to the signing tag and inserts an electronic signature into the PDF file according to the signing position.
    Type: Application
    Filed: July 28, 2009
    Publication date: June 24, 2010
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUNG-I LEE, XIN-YU HUANG, LV-HONG WU, ZHI-XIANG XU