Patents by Inventor Li Zeng

Li Zeng 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: 20160032008
    Abstract: Disclosed are methods, compositions and uses of high concentration antibody or immunoglobulin formulations for subcutaneous, intramuscular, transdermal or other local (regional) administration, in a volume of than 3, less than 2 or less than 1 ml. Preferably, the formulation contains a high concentration formulation (HCF) buffer comprising phosphate, citrate, polysorbate 80 and mannitol at a pH of about 5.2. The formulation more preferably comprises at least 100, 150, 200, 250 mg/ml or 300 mg/ml of antibody. The methods for preparing the high concentration formulation include ultrafiltration and diafiltration to concentrate the antibody and exchange the medium for HCF buffer. Other embodiments concern use of non-G1m1 (nG1m1) allotype antibodies, such as G1m3 and/or a nG1m1,2 antibodies. The nG1m1 antibodies show decreased immunogenicity compared to G1m1 antibodies.
    Type: Application
    Filed: October 6, 2015
    Publication date: February 4, 2016
    Inventors: Li Zeng, Rohini Mitra, Edmund A. Rossi, Hans J. Hansen, David M. Goldenberg
  • Patent number: 9250355
    Abstract: An optical apparatus includes a first beam combining device arranged to receive a first optical beam having a first wavelength at a first location and a second optical beam output having a second wavelength at a second location. The second optical beam has a polarization that is substantially orthogonal to a polarization of the first optical beam. The first beam combining device configured to output a first combined beam that comprises a combination of the first optical beam and the second optical beam. An optical element is arranged to receive the first combined beam and a second combined beam and to transmit an output beam that includes a combination of the first combined beam and the second combined beam.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: February 2, 2016
    Assignee: Futurwei Technologies, Inc.
    Inventors: Qi Deng, Yaohui Xie, Li Zeng, Xiaolu Song
  • Patent number: 9214166
    Abstract: The present disclosure provides for a magnetic writer pole for use in a hard drive. The magnetic writer pole comprises a first bevel formed by a non-magnetic layer, the first bevel formed at a first angle and extending to a first throat height. The magnetic writer pole further comprises a second bevel formed by the non-magnetic layer and extending distally from the first bevel at a second angle that is greater than the first angle and extending to a second throat height. The magnetic writer pole further comprises a third bevel formed by the non-magnetic layer and extending distally from the second bevel at a third angle that is greater than the second angle.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: December 15, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Li Zeng, Dehua Han, Zhigang Bai, Lisha Wang
  • Patent number: 9186421
    Abstract: Use of low dose streptozocin in the preparation of an animal model for screening drugs for treatment of antoimmune type 1 diabetes is disclosed, in which streptozocin is administrated intravenously at a dose of 15-30 mg/kg per time for 5 days and administrated again on the 7th day and 14th day after last time of offering drug. A method for preparing rhesus monkey model of autoimmune type 1 diabetes and autoimmune type 1 diabetes animal model obtained are also disclosed.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: November 17, 2015
    Assignee: West China Hospital, Sichuan University
    Inventors: Yanrong Lu, Jingqiu Cheng, Shaoping Deng, Younan Chen, Bole Tian, Gang Mai, Yan Ren, Li Wang, Hongxia Li, Lingling Wei, Xi Jin, Chaofeng Qiao, Wensheng Zhang, Sirong He, Li Zeng
  • Patent number: 9180205
    Abstract: Disclosed are methods, compositions and uses of high concentration antibody or immunoglobulin formulations for subcutaneous, intramuscular, transdermal or other local (regional) administration, in a volume of than 3, less than 2 or less than 1 ml. Preferably, the formulation contains a high concentration formulation (HCF) buffer comprising phosphate, citrate, polysorbate 80 and mannitol at a pH of about 5.2. The formulation more preferably comprises at least 100, 150, 200, 250 mg/ml or 300 mg/ml of antibody. The methods for preparing the high concentration formulation include ultrafiltration and diafiltration to concentrate the antibody and exchange the medium for HCF buffer. Other embodiments concern use of non-G1m1 (nG1m1) allotype antibodies, such as G1m3 and/or a nG1m1,2 antibodies. The nG1m1 antibodies show decreased immunogenicity compared to G1m1 antibodies.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: November 10, 2015
    Assignee: Immunomedics, Inc.
    Inventors: Li Zeng, Rohini Mitra, Edmund A. Rossi, Hans J. Hansen, David M. Goldenberg
  • Patent number: 9135930
    Abstract: A method and system provide a magnetic transducer having an air-bearing surface (ABS) and an intermediate layer. A trench having a shape and location corresponding to a main pole is formed in the intermediate layer. The main pole is provided. At least a portion of the main pole is in the trench. Providing the main pole further includes vacuum depositing a first main pole material layer. The first main pole material layer is thin enough to preclude filling of the trench. The first main pole material layer is then ion beam etched. A second main pole layer is vacuum deposited on the first main pole layer. The second main pole material layer is also thin enough to preclude filling of the trench. An additional main pole layer is also deposited.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: September 15, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Li Zeng, Dehua Han, Ming Sun, Jose A. Medina, Jia Li, Liang Hong, Zhigang Bai, Yugang Wang
  • Patent number: 9094131
    Abstract: A signal generating method and apparatus in the field of signal technologies are provided. The method includes: adjusting an incident angle of an optical signal entering a polarization beam splitter, so that the polarization beam splitter outputs a first optical signal and a second optical signal that have a preset power ratio; performing QPSK modulation on the first and second optical signal respectively by using a first and second externally input data streams, to obtain a first and a second QPSK optical signal; before the first QPSK optical signal and the second QPSK optical signal are input into a polarization beam combiner, adjusting a polarization state of the first or the second QPSK optical signal; when the polarization states of the two QPSK optical signals are the same, outputting a 16QAM signal; and when the polarization states of the two QPSK optical signals are orthogonal, outputting a DP-QPSK signal.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: July 28, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Liu, Liangchuan Li, Bangning Mao, Li Zeng
  • Patent number: 9052269
    Abstract: Methods for characterizing relative film density using spectroscopic analysis at the device level are provided. One such method includes obtaining a composition of materials at preselected areas of a workpiece using energy dispersive X-ray spectroscopy, obtaining an electron energy loss spectrum-imaging data at each of the preselected areas using electron energy loss spectroscopy, removing, for each of the preselected areas, a preselected noise component of the electron energy spectrum-imaging data to form a plasmon energy spectrum-imaging data, generating, for each of the preselected areas, a plasmon energy map based on the respective plasmon energy spectrum-imaging data, determining, for each of the preselected areas, an average plasmon energy value from the respective plasmon energy map, and calculating a relative mass density of the preselected areas based on the average plasmon energy value, a number of valence electrons per molecule, and a molecular weight for each of the preselected areas.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: June 9, 2015
    Assignee: Western Digital (Fremont), LLC.
    Inventors: Lifan Chen, Haifeng Wang, Li Zeng, Dehua Han
  • Patent number: 9042051
    Abstract: The present disclosure provides for a magnetic writer pole for use in a hard drive. The magnetic writer pole comprises a first bevel formed by a non-magnetic layer, the first bevel formed at a first angle and extending to a first throat height. The magnetic writer pole further comprises a second bevel formed by the non-magnetic layer and extending distally from the first bevel at a second angle that is greater than the first angle and extending to a second throat height. The magnetic writer pole further comprises a third bevel formed by the non-magnetic layer and extending distally from the second bevel at a third angle that is greater than the second angle.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: May 26, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Li Zeng, Dehua Han, Zhigang Bai, Lisha Wang
  • Patent number: 8982697
    Abstract: A method and an apparatus for sending an Ethernet physical-layer OAM overhead, and a method and an apparatus for receiving an Ethernet physical-layer OAM overhead are disclosed herein. A method for sending an Ethernet physical-layer OAM overhead includes: adjusting the order of sending a payload block and part of Inter-Packet Gaps (IPGs) in a data stream to be transmitted; and when receiving a request for sending an OAM overhead, substituting the OAM overhead for the part of IPGs, and sending the OAM overhead before sending the payload block. Through the present invention, the order of sending IPGs and payload blocks in an MAC data stream can be adjusted, and the OAM overhead can be sent in time.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: March 17, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chiwu Ding, Huaping Qing, Jun Cai, Li Zeng
  • Publication number: 20150049400
    Abstract: The present disclosure provides for a magnetic writer pole for use in a hard drive. The magnetic writer pole comprises a first bevel formed by a non-magnetic layer, the first bevel formed at a first angle and extending to a first throat height. The magnetic writer pole further comprises a second bevel formed by the non-magnetic layer and extending distally from the first bevel at a second angle that is greater than the first angle and extending to a second throat height. The magnetic writer pole further comprises a third bevel formed by the non-magnetic layer and extending distally from the second bevel at a third angle that is greater than the second angle.
    Type: Application
    Filed: December 4, 2013
    Publication date: February 19, 2015
    Applicant: Western Digital (Fremont), LLC
    Inventors: LI ZENG, DEHUA HAN, ZHIGANG BAI, LISHA WANG
  • Patent number: 8848747
    Abstract: A method for recovering an OTUk frame includes: receiving an optical signal sent by using a method of multi-lane distribution from the OTUk frame to an interface of an optical module; converting the optical signal into an electrical signal, performing electrical equalization and demodulation on the electrical signal, and recovering multi-lane data from the demodulated signal; aligning and rearranging the data on each lane, according to a lane sequence identifier included in an overhead frame header of the data on each lane; and recovering the OTUk frame according to the aligned and rearranged data. According to the present invention, lane rearrangement is performed by detecting the lane sequence identifier, and the recovery of the OTUk frame is achieved. Therefore, a training sequence overhead does not need to be additionally introduced, and the influence on the system performance is avoided.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: September 30, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Li Zeng, Chan Zhao, Changsong Xie
  • Publication number: 20140255364
    Abstract: Disclosed herein are materials and methods for culturing cells derived from joint cavities, said culturing being performed in the presence of synovial fluid. Also disclosed herein are cells cultured by the methods described herein, and their use for therapeutic purposes and for identifying therapeutic agents.
    Type: Application
    Filed: October 26, 2012
    Publication date: September 11, 2014
    Inventors: Li Zeng, Joshua Brand, Timothy McAlindon
  • Patent number: 8787406
    Abstract: A method and apparatus for distributing and receiving high-speed Ethernet Media Independent Interface (MII) blocks are provided to moderate the increase of control lines with the increase of the bit width and to simplify the block types in the coding process of the Physical Coding Sublayer (PCS). The technical solution disclosed herein includes: processing received Media Access Control (MAC) layer data, and adjusting distribution of control characters to generate a 64-bit block; obtaining a control signal code of the 64-bit block according to the relation between the form of the 64-bit block and the control signal code; and binding each 64-bit block to the corresponding control signal code respectively, and sending bound data over a separate channel.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: July 22, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yao Shen, Li Zeng, Chiwu Ding
  • Publication number: 20140193359
    Abstract: Disclosed are methods, compositions and uses of high concentration antibody or immunoglobulin formulations for subcutaneous, intramuscular, transdermal or other local (regional) administration, in a volume of than 3, less than 2 or less than 1 ml. Preferably, the formulation contains a high concentration formulation (HCF) buffer comprising phosphate, citrate, polysorbate 80 and mannitol at a pH of about 5.2. The formulation more preferably comprises at least 100, 150, 200, 250 mg/ml or 300 mg/ml of antibody. The methods for preparing the high concentration formulation include ultrafiltration and diafiltration to concentrate the antibody and exchange the medium for HCF buffer. Other embodiments concern use of non-G1m1 (nG1m1) allotype antibodies, such as G1m3 and/or a nG1m1,2 antibodies. The nG1m1 antibodies show decreased immunogenicity compared to G1m1 antibodies.
    Type: Application
    Filed: January 24, 2014
    Publication date: July 10, 2014
    Applicant: IMMUNOMEDICS, INC.
    Inventors: Li Zeng, Rohini Mitra, Edmund A. Rossi, Hans J. Hansen, David M. Goldenberg
  • Publication number: 20140178294
    Abstract: Disclosed are methods, compositions and uses of high concentration antibody or immunoglobulin formulations for subcutaneous, intramuscular, transdermal or other local (regional) administration, in a volume of than 3, less than 2 or less than 1 ml. Preferably, the formulation contains a high concentration formulation (HCF) buffer comprising phosphate, citrate, polysorbate 80 and mannitol at a pH of about 5.2. The formulation more preferably comprises at least 100, 150, 200, 250 mg/ml or 300 mg/ml of antibody. The methods for preparing the high concentration formulation include ultrafiltration and diafiltration to concentrate the antibody and exchange the medium for HCF buffer. Other embodiments concern use of non-G1m1 (nG1m1) allotype antibodies, such as G1m3 and/or a nG1m1,2 antibodies. The nG1m1 antibodies show decreased immunogenicity compared to G1m1 antibodies.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 26, 2014
    Applicant: IMMUNOMEDICS, INC.
    Inventors: Li Zeng, Rohini Mitra, Edmund A. Rossi, Hans J. Hansen, David M. Goldenberg
  • Patent number: 8737844
    Abstract: A method for implementing Polarization Division Multiplexing Binary Phase Shift Keying (PDM-BPSK) modulation and Quadrature Phase Shift Keying (QPSK) modulation in a compatible manner includes: dividing a direct current (DC) light into a first channel of light and a second channel of light with the same power; separately performing optoelectrical modulation on the first channel of light and the second channel of light and correspondingly outputting a first optical signal and a second optical signal in a Binary Phase Shift Keying (BPSK) format; performing polarization state control on the first optical signal; performing a phase shift on the first optical signal or the second optical signal; and performing optical signal combination with the polarization state preserved on the first optical signal and the second optical signal after the polarization state control and the phase shift, and outputting a PDM-BPSK modulation optical signal or a QPSK modulation optical signal.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: May 27, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Li Zeng, Lei Liu, Chao Lu, Yanfu Yang, Linghao Cheng, Zhaohui Li
  • Publication number: 20140126909
    Abstract: Embodiments of the present invention relate to the optical communication field and disclose an optical signal multiplexing method and an optical multiplexer. The method provided in the present invention includes: adjusting polarization states of two of four optical signals to be multiplexed, and preferably, mutually orthogonal to, the polarization states of the remaining two optical signals; combining one optical signal in the adjusted polarization state with one optical signal in the unadjusted polarization state into one optical signal through polarization multiplexing; and combining the two optical signals obtained through polarization multiplexing into one optical signal.
    Type: Application
    Filed: January 14, 2014
    Publication date: May 8, 2014
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Xiaolu SONG, Wenbin Jiang, Qi Deng, Li Zeng
  • Patent number: 8658773
    Abstract: Disclosed are methods, compositions and uses of high concentration antibody or immunoglobulin formulations for subcutaneous, intramuscular, transdermal or other local (regional) administration, in a volume of than 3, less than 2 or less than 1 ml. Preferably, the formulation contains a high concentration formulation (HCF) buffer comprising phosphate, citrate, polysorbate 80 and mannitol at a pH of about 5.2. The formulation more preferably comprises at least 100, 150, 200, 250 mg/ml or 300 mg/ml of antibody. The methods for preparing the high concentration formulation include ultrafiltration and diafiltration to concentrate the antibody and exchange the medium for HCF buffer. Other embodiments concern use of non-G1m1 (nG1m1) allotype antibodies, such as G1m3 and/or a nG1m1,2 antibodies. The nG1m1 antibodies show decreased immunogenicity compared to G1m1 antibodies.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: February 25, 2014
    Assignee: Immunomedics, Inc.
    Inventors: Li Zeng, Rohini Mitra, Edmund A. Rossi, Hans J. Hansen, David M. Goldenberg
  • Publication number: 20140004047
    Abstract: Compositions, methods and kits are provided for modulating the trans-differentiation of cells for example muscle satellite cells. The compositions, methods and kits include a modulator of trans-differentiation of the muscle satellite cells selected from the group of: a transcription factor, a nucleic acid sequence or vector encoding expression of the transcription factor, and an agent that binds to the transcription factor. The transcription factor is selected for example from a homeodomain class transcription factor such as Nkx3.2 and a TATA binding protein class transcription factor such as Sox9, and includes at least one nucleotide binding-domain, so that the transcription factor modulates the process of trans-differentiation of the cells or tissue to form a phenotype selected from: cartilage, muscle, and bone.
    Type: Application
    Filed: July 11, 2013
    Publication date: January 2, 2014
    Inventors: Li Zeng, Dana M. Cairns