Patents by Inventor In-wook Hwang

In-wook Hwang 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: 11642955
    Abstract: A power transmission apparatus of a hybrid vehicle having an engine and first and second motor-generators includes: a planetary gear set disposed on a first motor shaft of the first motor-generator, and including a planet carrier connected to an engine shaft, a sun gear connected to the first motor shaft, and a ring gear connected to a drive gear through a one-way clutch, a second motor shaft gear connected to a second motor shaft of the second motor-generator, an output shaft disposed between the engine shaft and the second motor shaft, and a brake unit to selectively connect the sun gear and the ring gear to a transmission housing. In particular, the output shaft is externally gear-meshed with the drive gear and the second motor shaft gear respectively through a driven gear, and externally gear-meshed with a final reduction gear of the differential gear through an output gear.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: May 9, 2023
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seong Wook Hwang, Tae Whan Kim, Youngbae Ryu, Jong Hyo Park, Hyung-Min Kim, Juhyeon Park, YongDal Choi, Jaewook Lee, Wonmin Cho
  • Patent number: 11642956
    Abstract: A power transmission apparatus of a hybrid vehicle including an engine and a first motor-generator and a second motor-generator includes a compound planetary gear set engaged to a first motor shaft of the first motor-generator, and configured to receive an engine torque from the engine through a one-way clutch, to receive a motor torque of the first motor-generator, and to output an output torque as a combination of the engine torque and the motor torque through a drive gear, a motor shaft gear connected to a second motor shaft of the second motor-generator, and an output shaft disposed between an engine torque shaft connected to the engine and the second motor shaft connected to the second motor, and gear-engaged with the drive gear and the motor shaft gear respectively through a driven gear, and a brake unit configured to selectively connect one of a first sun gear and a second sun gear of the compound planetary gear set to a transmission housing to act as a fixed element.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: May 9, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Seong Wook Hwang
  • Patent number: 11608471
    Abstract: An etching composition for silicon nitride comprising: a phosphoric acid compound; water; and at least one of a silane compound represented by Formula 1, below, and a reaction product thereof, and an etching method using the same are disclosed,
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Ki Wook Hwang, Sang Ran Koh, Youn Jin Cho, Jung Min Choi, Kwen Woo Han, Jun Young Jang, Yong Woon Yoon
  • Patent number: 11590801
    Abstract: The present invention relates to a composition for a non-pneumatic tire spoke. In particular, the non-pneumatic tire spoke prepared from the composition for a non-pneumatic tire spoke has excellent mechanical properties. A composition for a non-pneumatic tire spoke includes a thermoplastic polyester elastomer, a silane-based interfacial binder, and silica particles. The silica particles have an average particle diameter of 100 to 300 ?m.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: February 28, 2023
    Assignees: Kumho Tire Co., Inc., Korea Advanced Institute of Science and Technology
    Inventors: Kee Woon Kim, Gwi Seong Shin, Chul Woo Kwark, Soon Wook Hwang, Bumjoon Kim, Jin-Seong Kim, Joonhyeong Choi, Sung Keun Park
  • Publication number: 20230027870
    Abstract: The present invention relates to a method and system for tracking abnormal transactions in e-commerce, and an object of the present invention is to track abnormal transactions by analyzing complex characteristic data of product information uploaded to an e-commerce platform. In order to achieve this object, a method for detecting an abnormal transaction in an electronic device according to the present invention includes: step a of generating an identity map based on first transaction information previously stored in an e-commerce server; step b of collecting second transaction information newly uploaded to the e-commerce server; step c of extracting a first identifier and second identifiers included in the second transaction information and generating a third identifier by combining the plurality of second identifiers; and step d of determining whether the second transaction information is an abnormal transaction by searching the identity map for the first identifier and the third identifier.
    Type: Application
    Filed: July 21, 2022
    Publication date: January 26, 2023
    Applicant: S2W INC.
    Inventors: So Young CHAE, In Wook HWANG, Ki Cheol KIM
  • Publication number: 20230023199
    Abstract: A method of detecting a lane line based on lidar data can include detecting, by a processor, points each estimated as a lane line in a lidar data, performing, by the processor, an estimation operation of estimating parameters of a mathematical model using the detected points, and performing, by the processor, a setting operation of calculating distances between each of the detected points and the mathematical model in which the parameters are estimated and setting the calculated distances as scores. The method can further include performing, by the processor, a summation operation of summing the scores, and setting, by the processor, the mathematical model determined according to the summation score as a lane line.
    Type: Application
    Filed: July 19, 2022
    Publication date: January 26, 2023
    Inventors: Jae Wook HWANG, Chang Hwan CHUN
  • Patent number: 11540823
    Abstract: A soft tissue fixing anchor includes: an anchor member which is inserted to the bone cavity interior and prevented from moving in the bone cavity interior by the artificial joint when the artificial joint is implanted; and a suture of which one end portion is fixed to the anchor member and the other end portion is exposed to a bone cavity exterior of the bone so as to be sutured to the soft tissue.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: January 3, 2023
    Inventors: Ho Jong Lee, Sung Wook Hwang
  • Patent number: 11524564
    Abstract: A power transmission apparatus for a hybrid vehicle of which a second motor shaft gear of a second motor-generator is disposed on one side of a second motor shaft disposed in parallel with the first motor shaft, includes a planetary gear set disposed on the first motor shaft and including one rotation element and the other rotation element are fixedly connected to the engine output shaft and the first motor shaft, respectively, and one remaining rotation element is engaged to the other rotation element, and the planetary gear set in which a drive gear is connected to the remaining rotation element through a one-way clutch, and an output shaft disposed in parallel between the engine output shaft and the second motor shaft, externally gear-engaged with each of the drive gear and the second motor shaft gear through a driven gear fixedly connected to one side.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: December 13, 2022
    Assignees: Hyunda Motor Company, Kia Corporation
    Inventors: Seong Wook Hwang, Tae Whan Kim, Youngbae Ryu, Jong Hyo Park, Hyung-Min Kim, Juhyeon Park, Yongdal Choi, Jaewook Lee, Wonmin Cho
  • Patent number: 11495012
    Abstract: A semi-supervised learning method for object detection in an autonomous vehicle and a device for performing semi-supervised learning for object detection in an autonomous vehicle can include receiving, by a server, no-label voxel data from a vehicle, performing, by the server, a data-based update on a server object detection model on the basis of label voxel data and the no-label voxel data, determining, by the server, a loss value on the basis of the label voxel data and the no-label voxel data, and performing, by the server, a loss-based update on the server object detection model using the loss value.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: November 8, 2022
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sun Wook Hwang, Young Seok Kim, Hyung Sin Kim, Sae Woong Bahk
  • Patent number: 11427183
    Abstract: An integrated chassis control method to improve driving stability may include mountain-road integrated chassis control allowing, when a road on which a vehicle drives is checked to be the route of a mountain road by an integrated chassis controller, electronic control suspension (ECS) damping force and all wheel drive (AWD) driving force distribution to be controlled in a different manner according to uphill and downhill roads due to a difference of elevation of the mountain road.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: August 30, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae-Sung Cho, Sung-Wook Hwang
  • Publication number: 20220194204
    Abstract: A power transmission apparatus for a hybrid vehicle of which a second motor shaft gear of a second motor-generator is disposed on one side of a second motor shaft disposed in parallel with the first motor shaft, includes a planetary gear set disposed on the first motor shaft and including one rotation element and the other rotation element are fixedly connected to the engine output shaft and the first motor shaft, respectively, and one remaining rotation element is engaged to the other rotation element, and the planetary gear set in which a drive gear is connected to the remaining rotation element through a one-way clutch, and an output shaft disposed in parallel between the engine output shaft and the second motor shaft, externally gear-engaged with each of the drive gear and the second motor shaft gear through a driven gear fixedly connected to one side.
    Type: Application
    Filed: August 12, 2021
    Publication date: June 23, 2022
    Applicants: Hyunda Motor Company, Kia Corporation
    Inventors: Seong Wook Hwang, Tae Whan Kim, Youngbae Ryu, Jong Hyo Park, Hyung-Min Kim, Juhyeon Park, Yongdal Choi, Jaewook Lee, Wonmin Cho
  • Publication number: 20220199748
    Abstract: A display device includes: a through hole; a line region surrounding the through hole; a display region surrounding the line region; first to fourth layer lines which are located in the line region and at different layers; auxiliary layer lines which are located below the first layer lines or on the fourth layer lines; pixels located in the display region; first signal lines which are electrically connected to the pixels and are along a first direction; and second signal lines which are electrically connected to the pixels and are along a second direction intersecting the first direction, wherein the auxiliary layer lines electrically connected to one of the second signal lines.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 23, 2022
    Inventors: Jung-Chul Kim, Ji-Eun Kang, Han-Wook Hwang
  • Patent number: 11359698
    Abstract: Provided is a dual clutch transmission. First and second input shafts are mounted concentrically. First and second output shafts are mounted in parallel to the first input shaft and respectively include output gears engaged with a ring gear of a differential. The rotations of first and second gears are restrained by the first input shaft. The rotations of third and fourth gears are restrained by the second input shaft. The rotations of fifth and sixth gears engaged with the second and third gears, respectively, are restrained by the first output shaft. The rotation of a seventh gear engaged with the first gear is restrained by the second output shaft. An eighth gear is engaged with the second gear to be rotatable about the second output shaft. The rotation of a ninth gear engaged with the fourth gear and restrained by the eighth gear is restrained by the second output shaft.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: June 14, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Soon Ki Eo, Dong Woo Kim, Min Ho Chae, Chon Ok Kim, Seong Wook Hwang, Marcus Meyer, Mirko Leesch, Erik Schreiterer, Rico Resch, Matthias Hoehne, Joerg Mueller
  • Patent number: 11331950
    Abstract: A non-pneumatic tire comprises: a band part including an inner band and an outer band, the outer band being separated from the inner band by a predetermined distance to surround the inner band; and a spoke part provided to extend in a circumferential direction of the tire between the inner band and the outer band, the spoke part including one or more holes when viewed in the circumferential direction and one or more holes when viewed in an axial direction of the tire.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: May 17, 2022
    Assignee: Kumho Tire Co., Inc.
    Inventors: Soon Wook Hwang, Kee Woon Kim, Chui Woo Kwark, Chang Jung Park
  • Patent number: 11331997
    Abstract: A hybrid power transmission apparatus for a vehicle which changes and outputs torque of an engine and a first motor, includes an input shaft selectively input engine torque through an engine clutch, an output externally engages with a differential final reduction gear through an output gear to output shifted torque, a fixed shifting section including a plurality of external gear sets implementing an engine mode having multiple fixed shifting stages, and a mode shifting section including a planetary gear set having a first rotation element fixedly connected to the input shaft and a third rotation element that is externally gear-engaged with a first motor gear of the first motor via a first gear, and one external gear set configured for power connection between a second rotation element of the planetary gear set and the output shaft.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: May 17, 2022
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Dongwoo Kim, Seong Wook Hwang, Kijong Park, Chon Ok Kim, Jong Hyo Park, Juhyeon Park, Sangki Kwak, Seong Kyeong Cheon, Kwang Hyun Won, Soonki Eo, Yong Sug Choi, Ilhan Yoo
  • Patent number: 11310930
    Abstract: An electronic device according to an embodiment of the present invention comprises a front plate, a back plate facing a direction opposite to the front plate, a side member surrounding a space between the front plate and the back plate, constructed integrally with respect to the back plate, or bonded to the back plate, wherein the side member includes an outer structure constructed of a first metallic material and including at least one first surface constructing an outer surface of the side member and at least one second surface facing the space, an inner structure constructed of a second metallic material different from the first metallic material and including at least one third surface at least partially in contact with the second surface and at least one fourth surface facing the space, a touch screen display exposed through the front plate, an internal structure disposed to the space so as to be adjacent to the side member, constructed of a first polymer material, and including at least one fifth surfac
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: April 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung Hee Choi, Jin Ho Lee, Young Soo Jang, Yun Sung Ha, Yong Wook Hwang, Jung Hyeon Hwang, Chang Youn Hwang, Hyeon Woo Lee, Chong Kun Cho
  • Patent number: 11291704
    Abstract: The present invention relates to a composition for preventing or treating obesity containing an ethanolic extract of Ramulus mori as an active ingredient. As the present invention contains an ethanolic extract of Ramulus mori, extracted from natural substance Ramulus mori, as an active ingredient, the present invention may prevent or treat obesity by inhibiting lipid accumulation in adipocytes without any side effects to a human body and inhibiting preadipocytes from being differentiated into adipocytes.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: April 5, 2022
    Assignee: Korea University Research and Business Foundation
    Inventors: Young Hee Lim, Seon Wook Hwang, Jeung Keun Kim, Jun Ho Kim
  • Publication number: 20220097683
    Abstract: An apparatus for improving turning performance of a vehicle includes: a turning characteristic detection module configured to detect a turning situation based on vehicle information obtained from at least one sensor and to calculate a required driving force to be implemented in the vehicle for a turning motion; a driving force estimation module configured to estimate a limited driving force applicable to a drive wheel; and a turning characteristic control module configured to control and apply a braking force corresponding to a difference between the required driving force and the limited driving force to a motor to inhibit a wheel slip, when the required driving force is greater than the limited driving force.
    Type: Application
    Filed: August 10, 2021
    Publication date: March 31, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seung Ki KIM, Sang Ho LEE, Sung Wook HWANG, Jae Il PARK
  • Publication number: 20220080953
    Abstract: A device and a method for improving a turning motion of a vehicle may improve turning stability by cooperative control of an electric motor and the electronic controlled suspension (ECS) and improve behavior stability by optimizing a pitch/roll behavior by allowing realization of a target yaw moment required to improve turning characteristic of the vehicle to be reinforced by not only a yaw moment directly generated by a braking torque or a driving torque of the electric motor, but also a yaw moment indirectly generated by a load movement caused by controlling a damping force of the electronic controlled suspension (ECS).
    Type: Application
    Filed: July 23, 2021
    Publication date: March 17, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sung Wook HWANG, Seung Ki KIM, Sang Ho LEE, Jae Il PARK
  • Patent number: RE49451
    Abstract: The disclosure provides a portable terminal including an electronic device and a case disposed thereon that provides water resistant, dust resistant, and insulation for the electronic device by proper positioning of an aperture of the electronic device that uses an area of the case as an antenna. The case includes a body part that comprises a main body with a metallic portion formed of a metallic material, and an auxiliary body disposed adjacent to the metallic portion, and at least a portion of the auxiliary body is used as an antenna for transmission and reception of signals. An insulation member is disposed between the at least a portion of the auxiliary body and the main body, and a bonding layer is disposed in at least one of an area between the insulation member and at least one area of the main body, or between the insulation member and the auxiliary body.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: March 7, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Wook Hwang, Jin Ho Lee, Young Soo Jang, Jung Hyeon Hwang, Chang Youn Hwang