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: 20070052124
    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 primp, 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: September 2, 2005
    Publication date: March 8, 2007
    Inventors: Chul Park, Xiang Xu
  • Publication number: 20070047562
    Abstract: Various embodiments are described which can serve to increase the cross paging call success rate in joint networks. Resource reservation by a requesting network (312) in the context of cross paging is described. In general, such resource reservation may be triggered by the occurrence of any one of a variety of events in conjunction with the requesting network determining that a communication session with an AT (301) is desirable. Examples of triggering events include the following: the AT subscribing for resource reservation as a matter of configuration, the AT having a particular call state and perhaps with regard to particular services, the AT requesting resource reservation (before or after being paged/notified of the requesting network's desire to provide service, the communication session for which the requesting network is requesting the AT is of a particular type, and/or resource reservation is an operational default system operation.
    Type: Application
    Filed: August 23, 2006
    Publication date: March 1, 2007
    Applicant: MOTOROLA, INC.
    Inventors: Shahab Sayeedi, Ronald Crocker, Xiang Xu
  • Publication number: 20060268840
    Abstract: A communication system is provided that allows a Hybrid Access Terminal (HAT) that is monitoring, or is engaged in a circuit voice call in, a circuit switched network and has a dormant packet data session anchored on a packet switched network, to send packet data to, and to receive packet data from, a packet data network connected to the packet switched network without having to switch to the packet switched network and even though a packet data session is not established in the circuit switched network.
    Type: Application
    Filed: May 8, 2006
    Publication date: November 30, 2006
    Inventors: Xiang Xu, Shahab Sayeedi, Joseph Schumacher
  • Publication number: 20060251058
    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: Application
    Filed: May 2, 2006
    Publication date: November 9, 2006
    Inventors: Xiang Xu, James Marin, Shahab Sayeedi
  • Publication number: 20060057559
    Abstract: The invention relates to methods for identifying and using agents, including small organic molecules, antibodies, peptides, cyclic peptides, nucleic acids, antisense nucleic acids, sphingolipid analogs, and ribozymes, that modulate cell activation or migration, e.g., lymphocyte migration, via modulation of the expression and/or activity of migration molecules such as, for example, EDG molecules (e.g., EDG1 and EDG3), selectins, integrins, cadherins, certain members of the immunoglobulin superfamily of molecules, or chemokine receptor molecule. The methods of the invention are efficient and readily amenable to high-throughput drug screening protocols. High-throughput screening (HTS) methods, compositions, and kits for performing the assays are also provided.
    Type: Application
    Filed: June 23, 2005
    Publication date: March 16, 2006
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Xiang Xu, Yuanming Hu
  • Patent number: 6887675
    Abstract: The present invention is directed to novel polypeptides, nucleic acids and related molecules which have an effect on or are related to the cell cycle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. Further provided by the present invention are methods for identifying novel compositions which mediate cell cycle bioactivity, and the use of such compositions in diagnosis and treatment of disease.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: May 3, 2005
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Ying Luo, Eva Chan, Xiang Xu, Betty Huang, Valeria Ossovskaya
  • Publication number: 20050074825
    Abstract: The present invention is directed to novel polypeptides, nucleic acids and related molecules which have an effect on or are related to the cell cycle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. Further provided by the present invention are methods for identifying novel compositions which mediate cell cycle bioactivity, and the use of such compositions in diagnosis and treatment of disease.
    Type: Application
    Filed: July 8, 2003
    Publication date: April 7, 2005
    Inventors: Ying Luo, Eva Chan, Xiang Xu, Betty Huang, Valeria Ossovskaya
  • Publication number: 20050019771
    Abstract: The present invention provides compositions and methods for modulating cell proliferation, survival, morphology, and migration. Nucleic acids encoding proteins and proteins so encoded which are capable of modulating proliferation, survival, morphology and migration in mammalian cells are provided. Compositions and methods for the treatment of disorders related to cell proliferation, survival, morphology and migration are also provided. Prophylactics and methods for the prevention of such disorders are also provided. Also provided are compositions and methods for diagnostic and prognostic determination of such disorders. Further provided are assays for the identification of bioactive agents capable of modulating proliferation, survival, morphology and migration in mammalian cells.
    Type: Application
    Filed: October 21, 2002
    Publication date: January 27, 2005
    Inventors: Cindy Leo, Ying Luo, Xiang Xu, Simon Yu
  • Patent number: 6737232
    Abstract: The present invention is directed to novel polypeptides, nucleic acids and related molecules which have an effect on or are related to the cell cycle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. Further provided by the present invention are methods for identifying novel compositions which mediate cell cycle bioactivity, and the use of such compositions in diagnosis and treatment of disease.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: May 18, 2004
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Ying Luo, Xiang Xu, Cindy Leo, Betty Huang, Mary Shen
  • Patent number: 6660511
    Abstract: The present invention is directed to novel polypeptides, nucleic acids and related molecules which have an effect on or are related to the cell cycle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. Further provided by the present invention are methods for identifying novel compositions which mediate cell cycle bioactivity, and the use of such compositions in diagnosis and treatment of disease.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: December 9, 2003
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Ying Luo, Xiang Xu
  • Publication number: 20030211546
    Abstract: The present invention is directed to novel polypeptides, nucleic acids and related molecules which have an effect on or are related to the cell cycle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. Further provided by the present invention are methods for identifying novel compositions which mediate cell cycle bioactivity, and the use of such compositions in diagnosis and treatment of disease.
    Type: Application
    Filed: January 21, 2003
    Publication date: November 13, 2003
    Inventors: Ying Luo, Xiang Xu
  • Patent number: 6619968
    Abstract: An electrical connector (1) comprises an insulating housing (10) defining a number of terminal receiving channels (140) and a first and a second openings (102, 104) in communication with the receiving channels, and a pair of terminal inserts (20, 30) respectively inserted into the first and the second openings. Each terminal insert includes an insulating portion (22, 32) and a number of terminals (24, 34) retained in the insulating portion. Each terminal has a mating portion (240, 340) received in a corresponding terminal receiving channel of the housing.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: September 16, 2003
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Xiang Xu
  • Patent number: 6617102
    Abstract: The present invention is directed to novel polypeptides, nucleic acids and related molecules which have an effect on or are related to the cell cycle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. Further provided by the present invention are methods for identifying novel compositions which mediate cell cycle bioactivity, and the use of such compositions in diagnosis and treatment of disease.
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: September 9, 2003
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Ying Luo, Eva Chan, Xiang Xu, Betty Huang, Valeria Ossovskaya
  • Patent number: 6589725
    Abstract: The present invention is directed to novel polypeptides, nucleic acids and related molecules which have an effect on or are related to the cell cycle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. Further provided by the present invention are methods for identifying novel compositions which mediate cell cycle bioactivity, and the use of such compositions in diagnosis and treatment of disease.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: July 8, 2003
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Ying Luo, Eva Chan, Xiang Xu, Betty Huang
  • Publication number: 20030109151
    Abstract: An electrical connector (1) comprises an insulating housing (10) defining a number of terminal receiving channels (140) and a first and a second openings (102, 104) in communication with the receiving channels, and a pair of terminal inserts (20, 30) respectively inserted into the first and the second openings. Each terminal insert includes an insulating portion (22, 32) and a number of terminals (24, 34) retained in the insulating portion. Each terminal has a mating portion (240, 340) received in a corresponding terminal receiving channel of the housing.
    Type: Application
    Filed: December 7, 2001
    Publication date: June 12, 2003
    Inventor: Xiang Xu
  • Patent number: 6508676
    Abstract: A SCSI connector (100) includes an insulating housing (1), a terminal insert (2) with a plurality of terminals (21) retained therein, a shield (3) enclosing a front portion (11) of the housing, a pair of retaining devices (4), and a spacer (5) for orientating the terminals. The terminal insert has an insulating body (20) including a main portion (22) and a forwardly extending tongue portion (23). The main portion tapers in a back-to-front direction and the tongue portion has a constant thickness. The insulating housing defines a receiving opening (12) corresponding to the configuration of the main portion for receiving the terminal insert therein.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: January 21, 2003
    Assignee: Hon Hai Precision Ind. Co. Ltd.
    Inventor: Xiang Xu
  • Patent number: 6302748
    Abstract: An electrical connector comprises an insulative housing defining a number of contact receiving cavities and a same number of contacts respectively received in the contact receiving cavities. The housing includes a number of blocks each extending into a corresponding contact receiving cavity, thereby defining two guiding grooves spaced by the corresponding block. Each contact comprises two engaging flanges fixed in corresponding guiding grooves and being biased to a corresponding block, thereby securing the contact in the corresponding contact receiving cavity.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: October 16, 2001
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Xiang Xu, XinHai Xiang
  • Patent number: 5977476
    Abstract: An N-I-P type photovoltaic device includes a multi-layered body of N-doped semiconductor material which has an amorphous, N doped layer in contact with the amorphous body of intrinsic semiconductor material, and a microcrystalline, N doped layer overlying the amorphous, N doped material. A tandem device comprising stacked N-I-P cells may further include a second amorphous, N doped layer interposed between the microcrystalline, N doped layer and a microcrystalline P doped layer. Photovoltaic devices thus configured manifest improved performance, particularly when configured as tandem devices.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: November 2, 1999
    Assignee: United Solar Systems Corporation
    Inventors: Subhendu Guha, Chi C. Yang, Xi Xiang Xu