Patents by Inventor Hao Zhang

Hao Zhang 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: 20080096547
    Abstract: A method for implementing Mobile Switch Center (MSC) dual homing includes: dividing a first physical MSC Server into a plurality of virtual MSC Servers; establishing a dual homing relation between a first virtual MSC Server of the plurality of virtual MSC Servers and a second physical MSC Server; switching by the first virtual MSC Server from idle state to activate state if determining by the first virtual MSC Server that state switching is needed The scheme may implement the Mobile Switch Center (MSC) dual homing, and improve the reliability of mobile communication network; the implementation is simple and flexible.
    Type: Application
    Filed: December 21, 2007
    Publication date: April 24, 2008
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Hao ZHANG, Yongli JIA
  • Publication number: 20080060478
    Abstract: A twist drill for use, predominantly by non-professional do-it-yourself workers incorporates a flute architecture with an internal ridge for promoting the break up of chips into short length components. The tip of the twist drill includes an axial relief construction for improved performance across a wide variety of materials, and a highly sloped face for prompting transport of chips away from the drill tip.
    Type: Application
    Filed: October 30, 2007
    Publication date: March 13, 2008
    Inventors: Yuhong Wang, Ying-Hao Zhang
  • Publication number: 20080032715
    Abstract: The embodiments of the present invention disclose a method for issuing paging messages and an MSC/VLR, the method includes: determining types of networks terminating the process. if the MS only accesses a 2G network; issuing, by the MSC/VLR, paging messages on an RNC, and terminating the process, if the MS only accesses a 3G network; and issuing, by the MSC/VLR, paging messages on both the BSC and RNC, if the MS accesses both the 2G network and the 3G network. According to the embodiments of the present invention, the MSC/VLR can choose to issue paging messages on the BSC or the RNC separately or on both the BSC and the RNC, since it can determine the types of networks accessed by the MS. Thus, unnecessary paging messages issued on the BSC same time, a great deal of radio paging channel resources on the BSC or the RNC is saved, which greatly reduces effects on the process of paging other MSs.
    Type: Application
    Filed: August 10, 2007
    Publication date: February 7, 2008
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yongli Jia, Hao Zhang
  • Publication number: 20080009465
    Abstract: Compounds are provided which are phosphonate and phosphinate activators and thus are useful in treating diabetes and related diseases and have the structure wherein is a heteroaryl ring; R4 is —(CH2)n-Z-(CH2)m—PO(OR7)(OR8), —(CH2)nZ-(CH2)m—PO(OR7)Rg, —(CH2)n-Z-(CH2)m—OPO(OR7)Rg, —(CH2)nZ—(CH2)m—OPO(R9)(R10), or —(CH2)nZ—(CH2)m—PO(R9)(R10); R5 and R6 are independently selected from H, alkyl and halogen; Y is R7(CH2)s or is absent; and X, n, Z, m, R4, R5, R6, R7, and s are as defined herein; or a pharmaceutically acceptable salt thereof. A method for treating diabetes and related diseases employing the above compounds is also provided.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 10, 2008
    Inventors: Denis E. Ryono, Peter T.W. Cheng, Scott A. Bolton, Sean Chen, Yan Shi, Wei Meng, Joseph A. Tino, Hao Zhang, Richard B. Sulsky
  • Publication number: 20070287713
    Abstract: wherein Z1 is (CH2)q or C?O; Z2 is (CH2)p or C?O; D is —CH? or C?O or (CH2)m where m is 0, 1, 2 or 3; n=0, 1 or 2; p=1 or 2; q=0, 1 or 2; Q is C or N; A is (CH2)x where x is 1 to 5, or A is (CH2)x1, where x1 is 1 to 5 with an alkenyl bond or an alkynyl bond embedded anywhere in the chain, or A is —(CH2)x2—O—(CH2)x3— where x2 is 0 to 5 and x3 is 0 to 5, provided that at least one of x2 and x3 is other than 0; B is a bond or is (CH2)x4 where x4 is 1 to 5; X is CH or N; X2 is C, N, O or S; X3 is C, N, O or S; X4 is C, N, O or S; X5 is C, N, O or S; X6 is C, N, O or S; provided that at least one of X2, X3, X4 X5 and X6 is N; and at least one of X2, X3, X4 X5 and X6 is C. R1 is H or alkyl; R2 is H, alkyl, alkoxy, halogen, amino, substituted amino or cyano; R2a, R2b and R2c may be the same or different and are selected from H, alkyl, alkoxy, halogen, amino, substituted amino or cyano; and R3, E, Z and Y are as defined herein.
    Type: Application
    Filed: July 18, 2007
    Publication date: December 13, 2007
    Inventors: Peter Cheng, Sean Chen, Pratik Devasthale, Charles Ding, Timothy Herpin, Shung Wu, Hao Zhang, Wei Wang, Xiang-Yang Ye
  • Patent number: 7306812
    Abstract: A dissolvable backing layer for use with transmucosal drug delivery devices includes a dissolvable hydrophilic region and a non-hydrophilic region that inhibits or slows migration of water, drugs, other active agents, or other molecules through the backing layer. The non-hydrophilic region can be a disperse phase of gaseous voids, droplets of a hydrophobic liquid, solid particles of a hydrophobic material, or water insoluble particles that are not necessarily hydrophobic. In the alternative, the non-hydrophilic region may comprise a continuous layer or component that is readily dispersible upon dissolving of the hydrophilic region. The backing layers may be used within any transmucosal delivery device used to delivery drugs or other active agents across a mucosal surface.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: December 11, 2007
    Assignee: Cephalon, Inc.
    Inventor: Hao Zhang
  • Publication number: 20070283154
    Abstract: Establishing secure, mutually authenticated communication between a trusted network and a perimeter network. Servers on the perimeter network may be securely and automatically configured to communicate with the trusted network. Servers not functioning properly may be stopped from communicating with the other servers. Credential information relating to a perimeter server may be automatically, and regularly, updated without intervention.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 6, 2007
    Applicant: Microsoft Corporation
    Inventors: Hao Zhang, Jeffrey B. Kay, Malcolm E. Pearson, Eric D. Tribble
  • Patent number: 7279485
    Abstract: Substituted heterocyclic derivatives are provided which have the structure wherein Z1 is (CH2)q or C?O; Z2 is (CH2)p or C?O; D is —CH? or C?O or (CH2)m where m is 0, 1, 2 or 3; n=0, 1 or 2; p=1 or 2; q=0, 1 or 2; Q is C or N; X is CH or N; X2 is C, N, O or S; X3 is C, N, O or S; X4 is C, N, O or S; X5 is C, N, O or S; X6 is C, N, O or S; provided that at least one of X2, X3, X4, X5 and X6 is N; and at least one of X2, X3, X4, X5 and X6 is C; A, B, R1, R2, R2a, R2b, R4, R3, E, Z and Y are as defined herein. In addition, a method is provided for treating diabetes, Type 2 diabetes, insulin resistance, hyperglycemia, hyperinsulinemia, elevated blood levels of fatty acids or glycerol, hyperlipidemia, obesity, hypertriglyceridemia, Syndrome X, or atherosclerosis, wherein the substituted heterocyclic derivatives are administered in a therapeutically effective amount to a patient.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: October 9, 2007
    Assignee: Bristol-Myers Squibb Company
    Inventors: Peter T. W. Cheng, Sean Chen, Pratik Devasthale, Charles Z. Ding, Timothy F. Herpin, Shung Wu, Hao Zhang, Wei Wang, Xiang-Yang Ye
  • Patent number: 7276246
    Abstract: A water-dissolvable drug delivery device designed so as to reliably maintain a drug or active agent within a defined region against a mucosal surface. The drug delivery device comprises a water-dissolvable backing layer, an adhesive layer adjacent to at least a portion of the backing layer, and an active layer that is circumscribed by the backing layer and adhesive layer. The backing layer may optionally include a water-dissolvable hydrophilic region and a non-hydrophilic region at least partially encapsulated within the hydrophilic region that inhibits migration of water, drugs, or other active agents through the backing layer. The adhesive layer may be water-activated or it may have a peelable cover layer that, when removed, exposes the adhesive material.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: October 2, 2007
    Assignee: Cephalon, Inc.
    Inventor: Hao Zhang
  • Patent number: 7272550
    Abstract: A system and method for authorizing access to a controlled entity by a user. A set of user privileges is provided for user; and a content manager intersects an access control list (ACL) and the set of user privileges to authorize access. Binding level control indicia selectively binds an access control list (ACL) to the controlled entity at item type, item, mixed, or library binding level. An item type comprises one or more component items with each component item having one or more item views which together form an item type view. A content manager is responsive to the binding level to perform ACL checking for authorizing access to the controlled entity by the user.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: September 18, 2007
    Assignee: International Business Machines Corporation
    Inventors: An Feng-I Chen, Tawei Hu, Lily Liang, Jy-Jine James Lin, Edward Joseph Perry, Yuping Wang, Alan Tsu-I Yaung, Howard Hao Zhang
  • Patent number: 7262151
    Abstract: Lipo-chito oligosaccharides (LCOs) are produced by culturing rhizobacteria cells in or on a culture medium comprising at least one of: jasmonic acid or a derivative thereof; linoleic acid or a derivative thereof; or linolenic acid or a derivative thereof. Preferably, the rhizobacteria cells are Bradyrhizobium japonicum cells having the identifying characteristics of B. japonicum strain USDA 3. Preferably, the derivative of jasmonic acid is an ester thereof, preferably methyl jasmonate. Also provided are methods for improving LCO production at low temperatures, particularly temperatures below 25° C.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: August 28, 2007
    Assignee: McGill University
    Inventors: Donald L. Smith, Fazli Mabood, Hao Zhang
  • Patent number: 7241780
    Abstract: Compounds are provided which have the structure wherein Q is C or N, A is O or S, Z is O or a bond, X is CH or N and R1, R2, R2a, R2b, R2c, R3, Y, x, m, and n are as defined herein, which compounds are useful as antidiabetic, hypolipidemic, and antiobesity agents.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: July 10, 2007
    Assignee: Bristols-Myers Squibb Company
    Inventors: Peter T. Cheng, Pratik Devasthale, Yoon Jeon, Sean Chen, Hao Zhang
  • Publication number: 20070121351
    Abstract: A DC-DC flyback converter, includes a three-winding transformer; a primary power circuit having a first MOSFET connected to a first winding of the transformer; a secondary power circuit connected to a second winding of the transformer terminals; and a self-driven circuit connected to a third winding of the transformer. The secondary power circuit includes a synchronous rectifier in the form of a second MOSFET and the self-driven circuit further includes a delay drive circuit, an isolation differential circuit, a negative removal circuit having a third MOSFET and a synchronous rectifier trigger switch-off circuit for switching the synchronous rectifier to an off condition.
    Type: Application
    Filed: November 21, 2006
    Publication date: May 31, 2007
    Applicant: BEL POWER (HANGZHOU) CO., LTD.
    Inventors: Congfeng Zhang, Hao Zhang, Guichao Hua
  • Publication number: 20070124527
    Abstract: Techniques for stably and rapidly communicating between a mobile communication device and a personal computer are disclosed. According to one aspect of the techniques, a virtual serial apparatus is provided between a baseband controller of a mobile communication device (MCD) and a transmission driver of a personal computer (PC). The virtual serial apparatus comprises a storage unit for buffering data to be transmitted, a baseband interface unit, a physical interface unit and a USB device controller. The baseband interface unit is provided between the baseband controller and the storage unit. The baseband controller accesses the storage unit via the baseband interface unit. The physical interface unit communicates with the transmission driver via a USB bus therebetween. The USB device controller is provided between the storage unit and the physical interface unit for processing and forwarding the data to be transmitted according to a USB protocol.
    Type: Application
    Filed: May 7, 2006
    Publication date: May 31, 2007
    Inventors: Hao Zhang, XiaoLin Zhu
  • Publication number: 20070118682
    Abstract: Techniques for providing a NAND flash memory interface being compatible with various NAND flash memories and minimizing the impact on an embedded microprocessor at the same time are disclosed. According to one aspect of the techniques, a NAND flash memory interface is provided for coupling to various types of NAND flash memories. The NAND flash memory interface comprises a protocol selection unit and a waveform generation unit. The protocol selection unit is provided for selecting adequate interface protocols for a NAND flash memory coupled thereto according to type parameters of the coupled NAND flash memory. The waveform generation unit is provided for generating an interface time sequence for operating the coupled NAND flash memory according to the interface protocol selected by the protocol selection unit.
    Type: Application
    Filed: May 31, 2006
    Publication date: May 24, 2007
    Inventors: Hao Zhang, DaBei Shi
  • Publication number: 20070111522
    Abstract: A method of fabrication of a sputtered metal silicide layer over a copper interconnect. We form a dielectric layer over a conductive layer. We form an interconnect opening in the dielectric layer. We form a copper layer at least filling the interconnect opening. We planarize the copper layer to form a copper interconnect in the interconnect opening. The copper interconnect is over polished to form a depression. We form metal silicide layer over the copper interconnect using a low temperature sputtering process. We can form a cap layer over the metal silicide layer.
    Type: Application
    Filed: November 12, 2005
    Publication date: May 17, 2007
    Inventors: Yeow Lim, Wei Lu, Liang Hsia, Jyoti Gupta, Chim Seet, Hao Zhang
  • Publication number: 20070101159
    Abstract: A protocol for total email and collaborative software (e.g., Exchange-brand server) session security. By way of example, securing the traffic between two servers within the same organization or cross organizations is critical to maintaining privacy of electronic data and communications. For example, securing communications between two Exchange-brand servers is particularly useful for individuals and organizations that routinely send and receive confidential information via electronic mail. It is important for the receiving side (server) to authorize the sending side (client) to send the information; the sending side should authorize the receiving side to receive information to prevent unauthorized information disclosure. The novel system and/or protocol disclosed herein can provide a mutually authenticated, authorized, and encrypted channel between two servers both within the same organization and across disparate organizations.
    Type: Application
    Filed: January 19, 2006
    Publication date: May 3, 2007
    Applicant: Microsoft Corporation
    Inventors: Hao Zhang, Samuel Neely, Trevor Freeman
  • Publication number: 20070029575
    Abstract: The structure and method of measuring the capacitance comprising a first buried doped area and a heavily doped area in a semiconductor substrate. The heavily doped area is parallel to the buried doped area. Several second buried doped areas, the first oxide layers and the second oxide layers are formed in the semiconductor substrate. Any of the second buried doped areas is perpendicular to the first buried doped area. One end of the second buried doped area is connected to the first buried doped area, and another end is connected to the heavily doped area. Any of the first oxide layers is overlaid on the second buried doped area. Any of the second oxide layers is placed between any two first oxide layers, and the thickness of the second oxide layer is thinner than the thickness of the first oxide layer. At least two first and several second polysilicon rows are formed on the semiconductor substrate, and wherein two first polysilicon rows are respectively placed on two sides of the second buried doped areas.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 8, 2007
    Inventors: Hao Zhang, Yuan-Wei Zheng, Hui-Fang Hsu, Juan-Li Liu
  • Publication number: 20070015797
    Abstract: Compounds are provided which have the structure wherein Q is C or N, A is O or S, Z is O or a bond, X is CH or N and R1, R2, R2a, R2b, R2c, R3, Y, x, m, and n are as defined herein, which compounds are useful as antidiabetic, hypolipidemic, and antiobesity agents.
    Type: Application
    Filed: August 22, 2005
    Publication date: January 18, 2007
    Inventors: Peter Cheng, Pratik Devasthale, Yoon Jeon, Sean Chen, Hao Zhang
  • Publication number: 20060194883
    Abstract: An extracellular matrix protease (MMP) is an enzyme which is expressed in the course of tissue generation and differentiation via repeated cell division of a fertilized egg, and is also closely associated with invasion and metastasis of cancer. Degradation of extracellular matrix around cancer cells and in the vascular basal membrane is a necessary process for invasion and metastasis of cancer. Thus, invasion and metastasis of cancer can be prevented by inhibiting the expression of MMP, but few highly safe drugs that inhibit the expression of MMP have been developed. The present invention provides a drug that inhibits expression of MMP by cancer cells.
    Type: Application
    Filed: April 23, 2004
    Publication date: August 31, 2006
    Inventors: Iwata Ozaki, Hao Zhang, Toshihiko Mizuta, Kyosuke Yamamoto