Patents by Inventor Chengzhang Li

Chengzhang Li 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: 20240130340
    Abstract: Provided are genetically modified non-human animals that express a human or chimeric (e.g., humanized) CD3E (T-cell surface glycoprotein CD3 epsilon chain), CD3D (T-cell surface glycoprotein CD3 delta chain), and/or CD3G (T-cell surface coprotein CD3 gamma chain), and methods of use thereof.
    Type: Application
    Filed: February 18, 2022
    Publication date: April 25, 2024
    Inventors: Chengzhang Shang, Chong Li, Chang Liu
  • Publication number: 20240081301
    Abstract: Provided are genetically modified animal expressing human or chimeric (e.g., humanized) FcRn, and methods of use thereof.
    Type: Application
    Filed: January 29, 2022
    Publication date: March 14, 2024
    Inventors: Chengzhang Shang, Chong Li, Chang Liu, Dirui Li
  • Patent number: 9563127
    Abstract: The invention teaches a system and method for catalyzing on a substrate. The system includes a light source and a digital light patterning device which is controlled by a controller coupled to a computer. The digital patterning device includes an array of liquid crystals, each of which being electronically controlled by the computer through the controller. When a liquid crystal is on, the light from the light source passes through the liquid crystal. When it is off, the light is blocked. According to the visual image pattern presented in the computer's interface, the array, wherein some crystals are on and some are off, shows a light pattern which is consistent with the visual image pattern on the computer screen. Accordingly, the patterned light is shed onto a substrate where the light catalyzes a chemical reaction proximate a substrate.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: February 7, 2017
    Assignee: AVENTGENE INC.
    Inventors: Chengzhang Li, Cheng Chun Chris Liang
  • Publication number: 20160091740
    Abstract: The invention teaches a system and method for catalyzing on a substrate. The system includes a light source and a digital light patterning device which is controlled by a controller coupled to a computer. The digital patterning device includes an array of liquid crystals, each of which being electronically controlled by the computer through the controller. When a liquid crystal is on, the light from the light source passes through the liquid crystal. When it is off, the light is blocked. According to the visual image pattern presented in the computer's interface, the array, wherein some crystals are on and some are off, shows a light pattern which is consistent with the visual image pattern on the computer screen. Accordingly, the patterned light is shed onto a substrate where the light catalyzes a chemical reaction proximate a substrate.
    Type: Application
    Filed: September 30, 2014
    Publication date: March 31, 2016
    Inventors: Chengzhang LI, Cheng Chun Chris Liang
  • Patent number: 7858734
    Abstract: A polyimide material comprises a polyimide. The polyimide has repeating units of formula (I). The polyimide material further comprises a coupling agent-containing filler. A method for preparing a polyimide material comprises allowing a mixture comprising an aromatic tetracarboxylic dianhydride, an aromatic diamine, and a coupling agent-containing filler to react to produce a polyamic acid. The method further comprises contacting the polyamic acid with an aliphatic dicarboxylic acid of formula (II) to produce an intermediate, and imidizing the intermediate to produce the polyimide material. A polyimide comprises repeating units of formula (I).
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: December 28, 2010
    Assignee: BYD Co., Ltd.
    Inventors: Qiang Li, Chengzhang Li, Lin Jiang
  • Publication number: 20090143521
    Abstract: A polyimide material comprises a polyimide. The polyimide has repeating units of formula (I). The polyimide material further comprises a coupling agent-containing filler. A method for preparing a polyimide material comprises allowing a mixture comprising an aromatic tetracarboxylic dianhydride, an aromatic diamine, and a coupling agent-containing filler to react to produce a polyamic acid. The method further comprises contacting the polyamic acid with an aliphatic dicarboxylic acid of formula (II) to produce an intermediate, and imidizing the intermediate to produce the polyimide material. A polyimide comprises repeating units of formula (I).
    Type: Application
    Filed: August 5, 2008
    Publication date: June 4, 2009
    Inventors: Qiang Li, Chengzhang Li, Lin Jiang