Patents by Inventor Wonhee Michael Kim

Wonhee Michael Kim 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: 12600317
    Abstract: An extendable arm assembly includes an extendable arm structure defining a first axis, a second axis perpendicular to the first axis, and a third axis perpendicular to the first axis and the second axis. The extendable arm structure is configured to be actuated between a stowed configuration and an extended configuration in which the extendable arm structure extends along the first axis. The extendable arm structure includes a main body having a plurality of recesses and a plurality of hinge portions, and a first bladder disposed on the main body delimiting the recesses formed in the main body. The extendable arm assembly is configured to apply vacuum to the recesses to fold the main body along the hinge portions.
    Type: Grant
    Filed: December 12, 2024
    Date of Patent: April 14, 2026
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Paul W. Alexander, Wonhee Michael Kim, Tiantian Li
  • Patent number: 12506213
    Abstract: A battery includes a housing defining a sealed chamber, a battery pack positioned within the sealed chamber, and a shape memory alloy member that is adapted to axially compress the volume within the sealed chamber to pressurize the sealed chamber to an optimal pressure, and to automatically allow axial expansion of the volume of the sealed chamber in response to an increase of the pressure within the sealed chamber to maintain the pressure within the sealed chamber at the optimal pressure.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: December 23, 2025
    Assignee: GM Global Technology Operations LLC
    Inventors: Wonhee Michael Kim, Hanho Yun
  • Patent number: 12472901
    Abstract: A belt securement verification system includes a belt and a securement verification device connected to the belt. When a tension force on the belt exceeds a threshold corresponding to a desired belt tightness or a desired belt slackness, the securement verification device moves from a first configuration to a second configuration to indicate to a user that the belt has achieved the desired belt tightness or desired belt slackness.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: November 18, 2025
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Manuel Forero Rueda, Wonhee Michael Kim, Paul W. Alexander, Nilesh D. Mankame, Kamran Ali
  • Patent number: 12410021
    Abstract: A deployable ramp is provided for a cargo loading system of a vehicle. The ramp includes one or more rigid element having a surface for supporting a load. The ramp further includes one or more bladders defining a chamber that is fluidly connected to an outlet of a compressor. The chamber is adapted to receive a fluid from the compressor. The bladder is attached to rigid element, and the at bladder is movable to a collapsed state where the chamber has a first volume. The bladder is further movable to an expanded state where the chamber has a second volume and contains a pressurized fluid for supporting the rigid element, in response to the bladder receiving the fluid from the compressor. The second volume is higher than the first volume.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: September 9, 2025
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Paul W. Alexander, Wonhee Michael Kim, Craig A. Kollar, Joseph M. Polewarczyk, Bhavesh Shah, Rafael Gabriel Casalduc
  • Publication number: 20250236226
    Abstract: A seat cushion member for relieving local pressure concentrations of an occupant is provided. The seat cushion member includes a seat suspension, a backing foam layer disposed on the seat suspension, a feature layer disposed on the backing foam layer, a topper foam layer disposed on the feature layer, and a trim layer disposed on the topper foam layer. The feature layer has multiple features, and at least some of the multiple features undergo a limit point traversal when the seat cushion member is occupied.
    Type: Application
    Filed: January 24, 2024
    Publication date: July 24, 2025
    Inventors: Nilesh D. Mankame, Wonhee Michael Kim, Paul W. Alexander, Paul E. Krajewski
  • Patent number: 12365306
    Abstract: An extendable arm assembly includes an extendable arm structure defining a first axis, a second axis perpendicular to the first axis, and a third axis perpendicular to the first axis and the second axis. The extendable arm structure is configured to be actuated between a stowed configuration, an extended configuration in which the extendable arm structure extends along the first axis, and an intermediate configuration between the stowed configuration and the extended configuration. The extendable arm structure includes a plurality of expandable cells defining cell chambers therein. The extendable arm assembly is configured to inflate the cell chambers to actuate the extendable arm structure from the stowed configuration to the intermediate configuration.
    Type: Grant
    Filed: December 12, 2024
    Date of Patent: July 22, 2025
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Paul W. Alexander, Wonhee Michael Kim, Tiantian Li
  • Publication number: 20250187560
    Abstract: A belt securement verification system includes a belt and a securement verification device connected to the belt. When a tension force on the belt exceeds a threshold corresponding to a desired belt tightness or a desired belt slackness, the securement verification device moves from a first configuration to a second configuration to indicate to a user that the belt has achieved the desired belt tightness or desired belt slackness.
    Type: Application
    Filed: December 12, 2023
    Publication date: June 12, 2025
    Inventors: Manuel Forero Rueda, Wonhee Michael Kim, Paul W. Alexander, Nilesh D. Mankame, Kamran Ali
  • Patent number: 12104672
    Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air therebetween, and a plurality of tethers disposed within the bladder, each tether in the plurality of tethers having a first end coupled to the top end cap and a second end coupled to the bottom end cap, wherein when the bladder is inflated, the bladder expands axially forcing the top end cap and the bottom end cap away from one another, the plurality of tethers adapted to restrict movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, wherein, at least one of the plurality of tethers is elastic, and the inflatable structure is adapted to provide multiple support profiles that are capable of supporting compressive loading.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: October 1, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Wonhee Michael Kim, Paul W. Alexander, Diann Brei, Jonathan E. Luntz, Koray Benli
  • Publication number: 20240262641
    Abstract: A deployable ramp is provided for a cargo loading system of a vehicle. The ramp includes one or more rigid element having a surface for supporting a load. The ramp further includes one or more bladders defining a chamber that is fluidly connected to an outlet of a compressor. The chamber is adapted to receive a fluid from the compressor. The bladder is attached to rigid element, and the at bladder is movable to a collapsed state where the chamber has a first volume. The bladder is further movable to an expanded state where the chamber has a second volume and contains a pressurized fluid for supporting the rigid element, in response to the bladder receiving the fluid from the compressor. The second volume is higher than the first volume.
    Type: Application
    Filed: February 7, 2023
    Publication date: August 8, 2024
    Inventors: Paul W. Alexander, Wonhee Michael Kim, Craig A. Kollar, Joseph M. Polewarczyk, Bhavesh Shah, Rafael Gabriel Casalduc
  • Patent number: 11975643
    Abstract: A vehicle seat includes a seat cushion, a seat back pivotally moveable between an upright position and a reclined position, and at least one upper arm support selectively moveable between a stowed position and an extended position, the at least one upper arm support adapted to provide support for an upper arm of an occupant when the seat back of the vehicle seat is in the reclined position and the at least one upper arm support is in the extended position.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: May 7, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Nilesh D Mankame, Chin-hsu Lin, Paul W Alexander, Wonhee Michael Kim, Manuel Forero Rueda
  • Publication number: 20240097263
    Abstract: A battery includes a housing defining a sealed chamber, a battery pack positioned within the sealed chamber, and a shape memory alloy member that is adapted to axially compress the volume within the sealed chamber to pressurize the sealed chamber to an optimal pressure, and to automatically allow axial expansion of the volume of the sealed chamber in response to an increase of the pressure within the sealed chamber to maintain the pressure within the sealed chamber at the optimal pressure.
    Type: Application
    Filed: September 20, 2022
    Publication date: March 21, 2024
    Inventors: Wonhee Michael Kim, Hanho Yun
  • Patent number: 11912546
    Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air, a plurality of tethers disposed within the bladder, the inflatable structure moveable between a stowed profile and a final support profile, wherein the bladder is pressurized and expanded axially and the plurality of tethers are fully extended and restrict further movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, a pulley assembly mounted within the bottom end cap, wherein in the stowed support profile, the plurality of tethers are wound onto the pulley assembly, the pulley assembly adapted to allow selective extension of the tethers allowing axial expansion of the bladder, wherein, the inflatable structure is adapted to provide multiple intermediary support profiles capable of supporting compressive loading.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: February 27, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Wonhee Michael Kim, Paul W. Alexander, Yun Ju Kim, Diann Brei, Koray Benli, Jonathan E. Luntz, Laura Alejandra Giner Munoz
  • Publication number: 20230382697
    Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air, a plurality of tethers disposed within the bladder, the inflatable structure moveable between a stowed profile and a final support profile, wherein the bladder is pressurized and expanded axially and the plurality of tethers are fully extended and restrict further movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, a pulley assembly mounted within the bottom end cap, wherein in the stowed support profile, the plurality of tethers are wound onto the pulley assembly, the pulley assembly adapted to allow selective extension of the tethers allowing axial expansion of the bladder, wherein, the inflatable structure is adapted to provide multiple intermediary support profiles capable of supporting compressive loading.
    Type: Application
    Filed: May 26, 2022
    Publication date: November 30, 2023
    Inventors: Wonhee Michael Kim, Paul W. Alexander, Yun Ju Kim, Diann Brei, Koray Benli, Jonathan E. Luntz, Laura Alejandra Giner Munoz
  • Publication number: 20230383811
    Abstract: An inflatable structure includes a top end cap, a bottom end cap, a bladder attached to the top and bottom end caps and configured to hold pressurized air therebetween, and a plurality of tethers disposed within the bladder, each tether in the plurality of tethers having a first end coupled to the top end cap and a second end coupled to the bottom end cap, wherein when the bladder is inflated, the bladder expands axially forcing the top end cap and the bottom end cap away from one another, the plurality of tethers adapted to restrict movement of the top end cap and the bottom end cap away from one another and limit axial expansion of the bladder, wherein, at least one of the plurality of tethers is elastic, and the inflatable structure is adapted to provide multiple support profiles that are capable of supporting compressive loading.
    Type: Application
    Filed: May 26, 2022
    Publication date: November 30, 2023
    Inventors: Wonhee Michael Kim, Paul W. Alexander, Diann Brei, Jonathan E. Luntz, Koray Benli
  • Publication number: 20230339375
    Abstract: A vehicle seat includes a seat cushion, a seat back pivotally moveable between an upright position and a reclined position, and at least one upper arm support selectively moveable between a stowed position and an extended position, the at least one upper arm support adapted to provide support for an upper arm of an occupant when the seat back of the vehicle seat is in the reclined position and the at least one upper arm support is in the extended position.
    Type: Application
    Filed: April 21, 2022
    Publication date: October 26, 2023
    Inventors: Nilesh D. Mankame, Chin-hsu Lin, Paul W Alexander, Wonhee Michael Kim, Manuel Forero Rueda
  • Patent number: 11760292
    Abstract: A sleeping occupant crash protection system includes an occupant sleeping compartment positioned within an autonomous vehicle. A substantially flat platform of the occupant sleeping compartment supports an occupant reclining in a horizontal sleep position. An elastic bedsheet is positioned in direct contact with an upper surface of the platform positioned between the occupant and the platform. A sensing system is in communication with the occupant sleeping compartment and triggers deployment of a bedsheet displacement system during a vehicle rapid deceleration event.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: September 19, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Yi-Pen Cheng, Chin-hsu Lin, Louis D. Thole, Wonhee Michael Kim
  • Patent number: 11698683
    Abstract: A distributed inflatable touch sensing system is provided. The distributed inflatable touch sensing system includes a sensing bladder array, the sensing bladder array having a plurality of bladders, passageways, and ports in fluid communication. The system further includes a pressure regulator in fluid communication with one of the plurality of ports for regulating a pressure in the sensing bladder array. The system further includes a plurality of sensors, each in fluid communication with one of the plurality of ports, for measuring the pressure in the sensing bladder array. The system further includes a processor in communication with the plurality of sensors. The processor is configured to determine which of the plurality of bladders has been depressed by a user.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: July 11, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Wonhee Michael Kim, Paul W. Alexander, Diann Brei, Jonathan E. Luntz, Koray Benli, Laura Alejandra Giner Munoz, James Menno Nykamp
  • Patent number: 11658544
    Abstract: A rotor for an electric motor includes a rotor core defining a first face, a second face, and an opening extending from the first face to the second face. The rotor also includes an output shaft received by the opening of the rotor core and a valve disposed within a passageway of the output shaft. The valve controls a flowrate of the coolant and is actuated into a fully opened position at a maximum operating temperature of the rotor. The valve includes a stem having a first end portion and a second end portion, a plug disposed at the first end portion of the stem, a valve seat disposed opposite to the plug, and a shape memory alloy actuator that expands to urge the stem of the valve and the plug away from the valve seat and into the fully opened position at the maximum operating temperature.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: May 23, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Wonhee Michael Kim, SeungHwan Keum
  • Publication number: 20230126971
    Abstract: A sleeping occupant crash protection system includes an occupant sleeping compartment positioned within an autonomous vehicle. A substantially flat platform of the occupant sleeping compartment supports an occupant reclining in a horizontal sleep position. An elastic bedsheet is positioned in direct contact with an upper surface of the platform positioned between the occupant and the platform. A sensing system is in communication with the occupant sleeping compartment and triggers deployment of a bedsheet displacement system during a vehicle rapid deceleration event.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 27, 2023
    Inventors: Yi-Pen Cheng, Chin-hsu Lin, Louis D. Thole, Wonhee Michael Kim
  • Publication number: 20230047629
    Abstract: A rotor for an electric motor includes a rotor core defining a first face, a second face, and an opening extending from the first face to the second face. The rotor also includes an output shaft received by the opening of the rotor core and a valve disposed within a passageway of the output shaft. The valve controls a flowrate of the coolant and is actuated into a fully opened position at a maximum operating temperature of the rotor. The valve includes a stem having a first end portion and a second end portion, a plug disposed at the first end portion of the stem, a valve seat disposed opposite to the plug, and a shape memory alloy actuator that expands to urge the stem of the valve and the plug away from the valve seat and into the fully opened position at the maximum operating temperature.
    Type: Application
    Filed: August 10, 2021
    Publication date: February 16, 2023
    Inventors: Wonhee Michael Kim, SeungHwan Keum