Abstract: An auxiliary seat storage apparatus of a seat is disclosed. An auxiliary seat slides in a lower portion of a main seat in a state of being folded to be accommodated in the lower portion of the main seat such that convenience of a user and storability can be improved. Further, when the auxiliary seat is accommodated in the lower portion of the main seat, the auxiliary seat is moved forward so that a foot insertion space is secured to a rear side of the auxiliary seat in a state in which the auxiliary seat is accommodated in the lower portion of the main seat such that ease of access of a passenger sitting on a rear seat can be improved.

Abstract: The present invention may provide a method for producing induced pluripotency stem cell-derived mesenchymal stem cells (IFN?-iMSC) pretreated with interferon-gamma; induced pluripotency stem cell-derived mesenchymal stem cells pretreated with interferon-gamma prepared by the method; a pharmaceutical composition for preventing or treating skin diseases, and a cosmetic composition for preventing or improving skin diseases, comprising culture thereof or exosome (IFN?-iMSC-exo) isolated therefrom as an active ingredient. When the composition of the present invention is used, it is possible to provide a composition for skin diseases and a stem cell therapeutic agent, which have an improved immunomodulating function over conventional mesenchymal stem cells.

Abstract: An extreme ultraviolet (EUV) mask blank is provided. The EUV mask blank includes a substrate having a first surface and a second surface opposed to each other, a reflective layer having first reflective layers and second reflective layers alternately stacked on the first surface of the substrate, a capping layer on the reflective layer, and a hydrogen absorber layer between the reflective layer and the capping layer, the hydrogen absorber layer configured to store hydrogen and being in contact with the capping layer.

Abstract: The present disclosure relates to precursor cells of induced pluripotent stem cell-derived mesenchymal stem cells and a preparation method therefor. The precursor cells of induced pluripotent stem cell-derived mesenchymal stem cells of the present disclosure have enhanced functionality and excellent proliferative capacity compared with typical mesenchymal stem cells or induced pluripotent stem cell-derived mesenchymal stem cells.

Abstract: An auxiliary seat storage apparatus of a seat is disclosed. An auxiliary seat slides in a lower portion of a main seat in a state of being folded to be accommodated in the lower portion of the main seat such that convenience of a user and storability can be improved. Further, when the auxiliary seat is accommodated in the lower portion of the main seat, the auxiliary seat is moved forward so that a foot insertion space is secured to a rear side of the auxiliary seat in a state in which the auxiliary seat is accommodated in the lower portion of the main seat such that ease of access of a passenger sitting on a rear seat can be improved.

Abstract: The present invention may provide a pharmaceutical composition for preventing or treating skin diseases, a cosmetic composition for preventing or improving skin diseases, and a stem cell therapeutic agent, which comprise an induced pluripotent stem cell-derived mesenchymal stem cell (iMSC), a culture thereof, or an exosome isolated from an iMSC or iMSC culture as active ingredients. When the composition of the present invention, etc. is used, it is possible to provide a composition for improving, preventing or treating skin diseases and a stem cell therapeutic agent which have an improved immunomodulating function over conventional mesenchymal stem cells.

Abstract: A control system for a seat of a vehicle, the control system includes: a seat actuator disposed at each of seats in the vehicle to implement motions of the seats including folding, reclining, sliding, or rotating of the seats; a motion calculator calculating types and degrees of motions of the seats based on information about a passenger and an object received from a user; and a driving controller enabling all of the passenger and the object input by the user to be loaded by controlling the seat actuators in accordance with a calculation result of the motion calculator.

Abstract: A console device for a vehicle is provided. A console box is provided to be movable to a desired position in the forward-and-backward direction of the vehicle. The console box is inserted into the space under a crash pad when the console box moves in the forward direction of the vehicle. Therefore, utilization of the interior space of the vehicle is maximized, and the console device is therefore suitable for installation in an autonomous vehicle.

Abstract: A multifunction footrest apparatus for a vehicle is provided in a space in which a passenger seat is positioned so as to be movable in a front-rear direction. The multifunction footrest apparatus may be inserted into and housed in a lower space under a dashboard including a glove box, and it may perform a massage and an acupressure for calves and soles of a back seat passenger by using a lower door including a first massage device and an upper door including a second massage device and an acupressure plate.

Abstract: The present invention relates to an inverter-controlling device. The inverter-controlling device include a main controller configured to generate a predetermined command current; a comparison module configured to calculate a difference between the command current and an output current of an inverting module; a current controller configured to perform a proportional-integral (PI) control based on the difference; and a frequency estimation module configured to estimate a rotation speed of a motor based on a current response to the command current while the command current is injected to the current controller, wherein the main controller is further configured: when a flying start operation of the inverting module begins, to set an output frequency of the inverting module based on the rotation speed of the motor estimated by the frequency estimation module.

Abstract: A sliding-type footrest device for a vehicle includes: a guide rail mounted on a floor panel and extending in a forward-and-backward direction; a footrest housing engaged with the guide rail to slide along the guide rail in the forward-and-backward direction, the footrest housing having a door configured to be opened or closed; and a footrest box disposed inside the footrest housing and allowing a backseat passenger to place feet into the footrest while the door is open.

Abstract: A relaxing seat for a vehicle may include a fixed rail fixed to a vehicle body; a first moving rail coupled to the fixed rail; a second moving rail coupled to the first moving rail; a back link rotatably coupled to the fixed rail and a seat back frame; a cushion rear-side link including first and second end portions, wherein the first end portion is rotatably coupled to a portion at which a lower end portion of the seat back frame and a rear end portion of a seat cushion frame are rotatably coupled to each other, and the second end portion is rotatably coupled to the first moving rail; and a cushion front-side frame including a first end portion and a second end portion, wherein the first end portion is rotatably coupled to a front end portion of the seat cushion frame, and the second end portion of which is fixedly coupled to the second moving rail.

Abstract: A console apparatus with a variable table provided in a vehicle can include: a housing having an inner space with an open upper portion; a support configured to be vertically movable in the inner space of the housing; a table part rotatably connected to an upper end of the support; and a lifting part disposed in the housing and configured to fix a position of the support or adjust a speed of the support when the support is moved up or down.

Abstract: A console device for a vehicle is provided. A console box is provided to be movable to a desired position in the forward-and-backward direction of the vehicle. The console box is inserted into the space under a crash pad when the console box moves in the forward direction of the vehicle. Therefore, utilization of the interior space of the vehicle is maximized, and the console device is therefore suitable for installation in an autonomous vehicle.

Abstract: Disclosed herein are a method for controlling a medium-voltage inverter, and a system including the same. The system includes a motor, a medium-voltage inverter driving the motor, a control unit configured to control an output voltage from the medium-voltage inverter, and an output voltage measuring unit configured to measure counter electromotive force data of the motor including a voltage and a frequency of the counter electromotive force, and transmitting it to the control unit. The control unit generates the output voltage based on the measured counter electromotive force data to re-drive the motor when the output voltage measuring unit completes the measurement of the counter electromotive force data.

Abstract: A method of manufacturing a slim foam pad for vehicle seats, may include injecting a first foam solution into a first mold to manufacture an upper pad; inserting the manufactured upper pad into a second mold; and injecting a second foam solution to a first surface of the upper pad inserted into the second mold to manufacture a lower pad integrally coupled to the upper pad, wherein the second foam solution is foamed in a state of being in direct contact with the first surface of the upper pad, wherein no additional border separation member is provided at a border between the upper pad and the lower pad.

Abstract: A seat position adjustment apparatus for a vehicle may include fixed rails fixed on a bottom plane; first sliding rails configured to slide in forward and backward directions on the fixed rails respectively, and provided with cushion links rotatably coupled to the cushion frame; second sliding rails configured to move with the first sliding rails and slide on and protrude from the first sliding rails, and formed to support the cushion frame with the cushion links; a driving device mounted to the first sliding rails or the second sliding rails and configured to transmit power to the first sliding rails and the second sliding rails; and a seat back link rotatably mounted on the bottom plane or the fixed rails and rotatably coupled to and supporting a seat back frame.

Abstract: The present invention relates to an inverter-controlling device. The inverter-controlling device include a main controller configured to generate a predetermined command current; a comparison module configured to calculate a difference between the command current and an output current of an inverting module; a current controller configured to perform a proportional-integral (PI) control based on the difference; and a frequency estimation module configured to estimate a rotation speed of a motor based on a current response to the command current while the command current is injected to the current controller, wherein the main controller is further configured: when a flying start operation of the inverting module begins, to set an output frequency of the inverting module based on the rotation speed of the motor estimated by the frequency estimation module.

Abstract: A sliding-type footrest device for a vehicle includes: a guide rail mounted on a floor panel and extending in a forward-and-backward direction; a footrest housing engaged with the guide rail to slide along the guide rail in the forward-and-backward direction, the footrest housing having a door configured to be opened or closed; and a footrest box disposed inside the footrest housing and allowing a backseat passenger to place feet into the footrest while the door is open.

Abstract: A lithography apparatus is provided. The lithography apparatus a reticle having a first surface and a second surface facing each other, and a pattern region formed on the first surface, a reticle stage facing the second surface of the reticle, the reticle stage to chuck the reticle, a protection conductor within a chamber housing the reticle and the reticle stage; and a power source to supply a voltage to the protection conductor.