Patents by Inventor Steven J. Collier

Steven J. Collier 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: 20240132140
    Abstract: A method for passive damping in a steer-by-wire handwheel actuator. The method includes winding a first coil around a first tooth of a motor, winding a second coil around a first tooth of the motor, and shorting the second coil to one of an internal aspect of the motor and an external aspect of the motor.
    Type: Application
    Filed: October 18, 2023
    Publication date: April 25, 2024
    Inventors: Steven J. Collier-Hallman, Todd F. Jammer, Shuvajit Das
  • Patent number: 11926857
    Abstract: The present disclosure provides acyltransferases useful for synthesizing therapeutically important statin compound.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 12, 2024
    Assignee: Codexis, Inc.
    Inventors: Lynne Gilson, Steven J. Collier, Joly Sukumaran, Wan Lin Yeo, Oscar Alvizo, Ee Ling Teo, Robert J. Wilson, Junye Xu
  • Patent number: 11892519
    Abstract: Technical solutions are described for diagnosing an input power supply providing power to a motor. A method includes: generating a sinusoidal stimulus signal; applying, using the input power supply, the sinusoidal stimulus signal to the motor; measuring a response to the sinusoidal stimulus signal; determining a degraded condition of the input power supply based on the response to the sinusoidal stimulus signal; and performing an action in response to determining the degraded condition of the input power supply.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: February 6, 2024
    Assignee: Steering Solutions IP Holding Corporation
    Inventors: Nicholas E. Gizinski, Julie A. Kleinau, David M. Williams, Clayton D. Larson, Steven J. Collier-Hallman, Ashish Verma
  • Publication number: 20240018489
    Abstract: The present disclosure relates to engineered ketoreductase polypeptides for the preparation of hydroxyl substituted carbamate compounds, and polynucleotides, vectors, host cells, and methods of making and using the ketoreductase polypeptides.
    Type: Application
    Filed: June 12, 2023
    Publication date: January 18, 2024
    Inventors: Fabien Louis Cabirol, Haibin Chen, Anupam Gohel, Steven J. Collier, Derek J. Smith, Birgit Kosjek, Jacob Janey
  • Publication number: 20240001986
    Abstract: A apparatus may be configured to select a number of windings for a motor of a handwheel actuator; short a subset of windings of the number of windings; determine a resistance value for the motor; and selectively adjust, based on a number of windings associated with the subset of windings and to tune a damping characteristic associated with the handwheel actuator, the resistance value by varying at least one of (i) a number of winding turns associates with the subset of windings, (ii) a wire diameter of associated with the subset of windings, (iii) a number of wires associated with the subset of windings and (iv) a material associated with the subset of windings.
    Type: Application
    Filed: June 29, 2023
    Publication date: January 4, 2024
    Inventors: Shuvajit Das, Rakibul Islam, Dennis B. Skellenger, Steven J. Collier-Hallman
  • Publication number: 20230389183
    Abstract: A single circuit board assembly for forming a vehicle-motor interface includes a first side of a board with logic modules located thereon. The single circuit board assembly also includes a second side of the board with power modules located thereon. The board includes a first plurality of layers and a second plurality of layers, and a dielectric layer disposed between adjacent layers of the first plurality of layers and/or the second plurality of layers, the dielectric layer comprising polytronics material.
    Type: Application
    Filed: May 24, 2023
    Publication date: November 30, 2023
    Inventors: Ryan D. Yaklin, Steven J. Collier-Hallman
  • Publication number: 20230378851
    Abstract: An electric machine includes a rotor structure disposed within a motor housing, wherein a second rotor end has a plurality of axially stacked laminations. The electric machine further includes a motor position sensor system which includes a first plurality of cutouts defined in the plurality of axially stacked laminations, wherein the first plurality of cutouts have a progressively smaller cross-sectional area at each lamination. The motor position sensor system also includes a second plurality of cutouts defined in the plurality of axially stacked laminations, wherein the second plurality of cutouts have a progressively smaller cross-sectional area at each lamination. The motor position sensor system further includes a plurality of motor sensors axially spaced from the second rotor end, and a plurality of sensor magnets axially spaced from the second rotor end and the plurality of motor sensors.
    Type: Application
    Filed: May 23, 2022
    Publication date: November 23, 2023
    Inventors: Mojtaba Bahrami Kouhshahi, Mohammed (Rakib) Islam, Jeffrey T. Klass, Steven J. Collier-Hallman, Md. Zakirul Islam
  • Publication number: 20230349983
    Abstract: Technical solutions are described for diagnosing an input power supply providing power to a motor. A method includes: generating a sinusoidal stimulus signal; applying, using the input power supply, the sinusoidal stimulus signal to the motor; measuring a response to the sinusoidal stimulus signal; determining a degraded condition of the input power supply based on the response to the sinusoidal stimulus signal; and performing an action in response to determining the degraded condition of the input power supply.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 2, 2023
    Inventors: Nicholas E. Gizinski, Julie A. Kleinau, David M. Williams, Clayton D. Larson, Steven J. Collier-Hallman, Ashish Verma
  • Publication number: 20230332115
    Abstract: The present disclosure provides engineered transaminase polypeptides for the production of amines, polynucleotides encoding the engineered transaminases, host cells capable of expressing the engineered transaminases, and methods of using the engineered transaminases to prepare compounds useful in the production of active pharmaceutical agents.
    Type: Application
    Filed: June 29, 2023
    Publication date: October 19, 2023
    Inventors: Weng Lin Tang, Helen Hsieh, Son Pham, Derek Smith, Steven J. Collier
  • Publication number: 20230295673
    Abstract: The present disclosure provides engineered polypeptides having imine reductase activity, polynucleotides encoding the engineered imine reductases, host cells capable of expressing the engineered imine reductases, and methods of using these engineered polypeptides with a range of ketone and amine substrate compounds to prepare secondary and tertiary amine product compounds.
    Type: Application
    Filed: February 17, 2023
    Publication date: September 21, 2023
    Inventors: Haibin Chen, Steven J. Collier, Jovana Nazor, Joly Sukumaran, Derek Smith, Jeffrey C. Moore, Gregory Hughes, Jacob Janey, Gjalt W. Huisman, Scott J. Novick, Nicholas J. Agard, Oscar Alvizo, Gregory A. Cope, Wan Lin Yeo, Stefanie Ng Minor
  • Patent number: 11732248
    Abstract: The present disclosure provides engineered transaminase polypeptides for the production of amines, polynucleotides encoding the engineered transaminases, host cells capable of expressing the engineered transaminases, and methods of using the engineered transaminases to prepare compounds useful in the production of active pharmaceutical agents.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: August 22, 2023
    Assignee: Codexis, Inc.
    Inventors: Weng Lin Tang, Helen Hsieh, Son Pham, Derek Smith, Steven J. Collier
  • Patent number: 11713451
    Abstract: The present disclosure relates to engineered ketoreductase polypeptides for the preparation of hydroxyl substituted carbamate compounds, and polynucleotides, vectors, host cells, and methods of making and using the ketoreductase polypeptides.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: August 1, 2023
    Assignee: Codexis, Inc.
    Inventors: Fabien Louis Cabirol, Haibin Chen, Anupam Gohel, Steven J. Collier, Derek J. Smith, Birgit Kosjek, Jacob Janey
  • Publication number: 20230227875
    Abstract: The present disclosure provides engineered proline hydroxylase polypeptides for the production of hydroxylated compounds, polynucleotides encoding the engineered proline hydroxylases, host cells capable of expressing the engineered proline hydroxylases, and methods of using the engineered proline hydroxylases to prepare compounds useful in the production of active pharmaceutical agents.
    Type: Application
    Filed: November 29, 2022
    Publication date: July 20, 2023
    Inventors: Haibin Chen, Yong Koy Bong, Fabien L. Cabirol, Anupam Gohel Prafulchandra, Tao Li, Jeffrey C. Moore, Martina Quintanar-Audelo, Yang Hong, Steven J. Collier, Derek Smith
  • Publication number: 20230104779
    Abstract: The present disclosure provides engineered ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme. Also provided are polynucleotides encoding the engineered ketoreductase enzymes, host cells capable of expressing the engineered ketoreductase enzymes, and methods of using the engineered ketoreductase enzymes to synthesize a variety of chiral compounds. The engineered ketoreductase polypeptides are optimized for catalyzing the conversion of N-methyl-3-keto-3-(2-thienyl)-1-propanamine to (S)—N-methyl-3-hydroxy-3-(2-thienyl)-1-propanamine.
    Type: Application
    Filed: October 26, 2022
    Publication date: April 6, 2023
    Inventors: Christopher Savile, John M. Gruber, Emily Mundorff, Gjalt W. Huisman, Steven J. Collier
  • Patent number: 11618911
    Abstract: The present disclosure provides engineered polypeptides having imine reductase activity, polynucleotides encoding the engineered imine reductases, host cells capable of expressing the engineered imine reductases, and methods of using these engineered polypeptides with a range of ketone and amine substrate compounds to prepare secondary and tertiary amine product compounds.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: April 4, 2023
    Assignee: Codexis, Inc.
    Inventors: Haibin Chen, Steven J. Collier, Jovana Nazor, Joly Sukumaran, Derek Smith, Jeffrey C. Moore, Gregory Hughes, Jacob Janey, Gjalt W. Huisman, Scott J. Novick, Nicholas J. Agard, Oscar Alvizo, Gregory A. Cope, Wan Lin Yeo, Stefanie Ng Minor
  • Patent number: 11549132
    Abstract: The present disclosure provides engineered proline hydroxylase polypeptides for the production of hydroxylated compounds, polynucleotides encoding the engineered proline hydroxylases, host cells capable of expressing the engineered proline hydroxylases, and methods of using the engineered proline hydroxylases to prepare compounds useful in the production of active pharmaceutical agents.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: January 10, 2023
    Assignee: Codexis, Inc.
    Inventors: Haibin Chen, Yong Koy Bong, Fabien L. Cabirol, Anupam Gohel Prafulchandra, Tao Li, Jeffrey C. Moore, Martina Quintanar-Audelo, Yang Hong, Steven J. Collier, Derek Smith
  • Publication number: 20220402544
    Abstract: A method includes receiving motor velocity data, and, in response to a determination that the motor velocity data indicates that a velocity of a motor is below a threshold velocity: calculating a thermal metric corresponding to a phase imbalance of the motor; identifying at least one thermal mitigation parameter based on the thermal metric; generating at least one thermal management motor position command based on the at least one thermal mitigation parameter; and selectively controlling the motor according to the thermal management motor position command.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Inventors: Thomas J. Stutts, Michael A. Eickholt, Steven J. Collier-Hallman, Julie A. Kleinau, Prerit Pramod
  • Patent number: 11512332
    Abstract: The present disclosure provides engineered ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme. Also provided are polynucleotides encoding the engineered ketoreductase enzymes, host cells capable of expressing the engineered ketoreductase enzymes, and methods of using the engineered ketoreductase enzymes to synthesize a variety of chiral compounds. The engineered ketoreductase polypeptides are optimized for catalyzing the conversion of N-methyl-3-keto-3-(2-thienyl)-1-propanamine to (S)—N-methyl-3-hydroxy-3-(2-thienyl)-1-propanamine.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: November 29, 2022
    Assignee: Codexis, Inc.
    Inventors: Christopher Savile, John M. Gruber, Emily Mundorff, Gjalt W. Huisman, Steven J. Collier
  • Publication number: 20220372452
    Abstract: The present invention relates to non-naturally occurring polypeptides useful for preparing armodafinil, polynucleotides encoding the polypeptides, and methods of using the polypeptides. The non-naturally occurring polypeptides of the present invention are effective in carrying out biocatalytic conversion of the (i) 2-(benzhydrylsulfinyl)acetamide to (?)-2-[(R)-(diphenylmethyl)sulfinyl]acetamide (armodafinil), or (ii) benzhydryl-thioacetic acid to (R)-2-(benzhydrylsulfinyl)acetic acid, which is a pivotal intermediate in the synthesis of armodafinil, in enantiomeric excess.
    Type: Application
    Filed: June 6, 2022
    Publication date: November 24, 2022
    Inventors: Ee Lui Ang, Oscar Alvizo, Behnaz Behrouzian, Michael D. Clay, Steven J. Collier, Ellen D. Eberhard, Fu Fan, Shiwei Song, Derek J. Smith, Magnus Widegren, Robert Wilson, Junye Xu, Jun Zhu
  • Publication number: 20220315961
    Abstract: The present disclosure provides engineered polypeptides having imine reductase activity, polynucleotides encoding the engineered imine reductases, host cells capable of expressing the engineered imine reductases, and methods of using these engineered polypeptides with a range of ketone and amine substrate compounds to prepare secondary and tertiary amine product compounds.
    Type: Application
    Filed: June 2, 2022
    Publication date: October 6, 2022
    Inventors: Haibin Chen, Steven J. Collier, Jovana Nazor, Joly Sukumaran, Derek Smith, Jeffrey C. Moore, Gregory Hughes, Jacob Janey, Gjalt W. Huisman, Scott J. Novick, Nicholas J. Agard, Oscar Alvizo, Gregory A. Cope, Wan Lin Yeo, Stefanie Ng Minor