Patents by Inventor Kui Chan

Kui Chan 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).

  • Patent number: 11898172
    Abstract: The present disclosure provides thiolases and polypeptide variants of 3-hydroxybutyryl-CoA dehydrogenase, nucleic acids encoding the same, vectors comprising the nucleic acids, and cells comprising the polypeptide variants and/or thiolase, the nucleic acids, and/or the vectors. The present disclosure also provides methods of making and using the same, including methods for culturing cells, and for the production of various products, including 3-hydroxybutyryl-CoA (3-HB-CoA), 3-hydroxybutyraldehyde (3-HBal), 3-hydroxybutyrate (3-HB), 1,3-butanediol (1,3-BDO), and esters and amides thereof, and products made from any of these.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: February 13, 2024
    Assignee: Genomatica, Inc.
    Inventors: Kevin Hoff, Cara Ann Tracewell, Kui Chan, Michael Kuchinskas, Harish Nagarajan
  • Publication number: 20230139515
    Abstract: The present disclosure provides thiolases and polypeptide variants of 3-hydroxybutyryl-CoA dehydrogenase, nucleic acids encoding the same, vectors comprising the nucleic acids, and cells comprising the polypeptide variants and/or thiolase, the nucleic acids, and/or the vectors. The present disclosure also provides methods of making and using the same, including methods for culturing cells, and for the production of various products, including 3-hydroxybutyryl-CoA (3-HB-CoA), 3-hydroxybutyraldehyde (3-HBal), 3-hydroxybutyrate (3-HB), 1,3-butanediol (1,3-BDO), and esters and amides thereof, and products made from any of these.
    Type: Application
    Filed: July 14, 2022
    Publication date: May 4, 2023
    Inventors: Kevin Hoff, Cara Ann Tracewell, Kui Chan, Michael Kuchinskas, Harish Nagarajan
  • Publication number: 20220325254
    Abstract: The invention provides polypeptides and encoding nucleic acids of aldehyde dehydrogenase variants. The invention also provides cells expressing aldehyde dehydrogenase variants. The invention further provides methods for producing 3-hydroxybutyraldehyde (3-HBal) and/or 1,3-butanediol (1,3-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells. The invention additional provides methods for producing 4-hydroxybutyraldehyde (4-HBal) and/or 1,4-butanediol (1,4-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells.
    Type: Application
    Filed: March 17, 2022
    Publication date: October 13, 2022
    Inventors: Kevin Hoff, Cara Ann Tracewell, Kui Chan, Amit Shah, Joseph Warner, Michael Noble
  • Patent number: 11299716
    Abstract: The invention provides polypeptides and encoding nucleic acids of aldehyde dehydrogenase variants. The invention also provides cells expressing aldehyde dehydrogenase variants. The invention further provides methods for producing 3-hydroxybutyraldehyde (3-HBal) and/or 1,3-butanediol (1,3-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells. The invention additional provides methods for producing 4-hydroxybutyraldehyde (4-HBal) and/or 1,4-butanediol (1,4-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 12, 2022
    Assignee: Genomatica, Inc.
    Inventors: Kevin Hoff, Cara Ann Tracewell, Kui Chan, Amit Shah, Joseph Warner, Michael Noble
  • Publication number: 20200087634
    Abstract: The present disclosure provides thiolases and polypeptide variants of 3-hydroxybutyryl-CoA dehydrogenase, nucleic acids encoding the same, vectors comprising the nucleic acids, and cells comprising the polypeptide variants and/or thiolase, the nucleic acids, and/or the vectors. The present disclosure also provides methods of making and using the same, including methods for culturing cells, and for the production of various products, including 3-hydroxybutyryl-CoA (3-HB-CoA), 3-hydroxybutyraldehyde (3-HBal), 3-hydroxybutyrate (3-HB), 1,3-butanediol (1,3-BDO), and esters and amides thereof, and products made from any of these.
    Type: Application
    Filed: March 29, 2018
    Publication date: March 19, 2020
    Inventors: Kevin Hoff, Cara Ann Tracewell, Kui Chan, Michael Kuchinkas, Harish Nagarajan
  • Publication number: 20200040312
    Abstract: The invention provides polypeptides and encoding nucleic acids of aldehyde dehydrogenase variants. The invention also provides cells expressing aldehyde dehydrogenase variants. The invention further provides methods for producing 3-hydroxybutyraldehyde (3-HBal) and/or 1,3-butanediol (1,3-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells. The invention additional provides methods for producing 4-hydroxybutyraldehyde (4-HBal) and/or 1,4-butanediol (1,4-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells.
    Type: Application
    Filed: March 29, 2018
    Publication date: February 6, 2020
    Inventors: Kevin Hoff, Cara Ann Tracewell, Kui Chan, Amit Shah, Joseph Warner, Michael Noble
  • Publication number: 20150087028
    Abstract: The invention relates to recombinant expression of variant forms of M. thermophila CBH1a and homologs thereof, having improved thermoactivity, specific activity, and other desirable properties. Also provided are methods for producing ethanol and other valuable organic compounds by combining cellobiohydrolase variants with cellulosic materials.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 26, 2015
    Inventors: Behnaz Behrouzian, Xinkai Xie, Kui Chan, Xiyun Zhang, Vesna Mitchell, Douglas A. Hattendorf
  • Publication number: 20120276594
    Abstract: The present invention relates to cellobiohydrolase variants having improved thermostability and/or thermoactivity in comparison to wild-type Myceliophthora thermophila CBH2b.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: Codexis, Inc.
    Inventors: Rama Voladri, Xiyun Zhang, Sachin Patil, David Elgart, Gregory Miller, Louis Clark, Kui Chan
  • Patent number: 7394471
    Abstract: Provided is a method and apparatus for dynamic cross fading. Specifically, an embedded system can display an image produced from a blend of other images. Initially, a first image and a second image are stored in a buffer in a display controller. Then, the display controller extracts pixels from corresponding locations in the first image and the second image. The pixels are combined with weights associated with each image to perform the cross fade calculation. Consequently, the result from the cross fade calculation is transmitted to a display unit connected to the display controller for viewing. The result can also be fetched during a refresh of a panel in the display unit. In either case, the result is transmitted to a display pipe during dynamic cross fading. Thus, any images stored in the buffer remain unchanged.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: July 1, 2008
    Assignee: Seiko Epson Corporation
    Inventors: Victor Ga-Kui Chan, Raymond Chow
  • Patent number: 7221378
    Abstract: A memory efficient method and apparatus for displaying large overlaid camera images. According to one aspect of the invention, overlay image data are stored in a memory, fetched, up-scaled, and then combined with main image data to form composite image data for rendering on a graphics display device. According to another aspect of the invention, the overlay image data are stored in a memory, fetched, and then combined with main image data streamed from a source of the main image data.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: May 22, 2007
    Assignee: Seiko Epson Corporation
    Inventors: Atousa Soroushi, Victor Ga-Kui Chan
  • Patent number: 7046227
    Abstract: A system and method for continuously tracing transfer rectangles for performing image data transfers includes a display controller with control logic, a rectangle module, and a coordinates module. The rectangle module detects write operations to on-screen data in a video memory, and then updates a primary transfer rectangle during a normal mode to include pixel data from the foregoing write operations. The coordinates module stores the primary transfer rectangle for performing a current transfer operation. The coordinates module enters a pause mode before initiating the current transfer operation, and retains the primary transfer rectangle during the pause mode. The coordinate module also stores a secondary transfer rectangle formed during the pause mode by detecting the foregoing write operations. The controller logic instructs the coordinates module to resume the normal mode after the current transfer operation concludes.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: May 16, 2006
    Assignee: Seiko Epson Corporation
    Inventors: Victor Ga-Kui Chan, Doug McFadyen, Atousa Soroushi