Patents by Inventor Bong Sung Ko
Bong Sung Ko 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).
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Patent number: 11969011Abstract: A cigarette includes a tobacco rod, a front end plug positioned at a front end of the tobacco rod, a filter rod positioned at a rear end of the tobacco rod, and a wrapper surrounding the tobacco rod, the front end plug, and the filter rod and including at least one perforation formed in an area of the wrapper to allow air to flow to the inside of the wrapper.Type: GrantFiled: November 13, 2019Date of Patent: April 30, 2024Assignee: KT&G CORPORATIONInventors: Jung Seop Hwang, Dong Kyun Ko, Jae Sung Noh, Bong Su Cheong, Sang Won Choi
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Patent number: 11944118Abstract: Provided is an aerosol-generating article including a wrapper which is discolored as the aerosol-generating material is heated, the aerosol-generating article including: a tobacco rod; a front-end plug arranged on a side of the tobacco rod; a filter rod arranged on the other side of the tobacco rod; and the wrapper surrounding the tobacco rod, the front-end plug, and the filter rod, wherein the wrapper includes a thermochromic material which is heated and discolored by an aerosol-generating device when the aerosol-generating article is inserted into the aerosol-generating device.Type: GrantFiled: November 13, 2019Date of Patent: April 2, 2024Assignee: KT&G CORPORATIONInventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
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Patent number: 11577773Abstract: According to the present embodiments, it is possible to prevent a tooth-on-tooth engagement between gear teeth, which may occur during the telescoping operation of the steering column, thereby leading to stable locking of the steering column, enhancing the driver's feeling of lever manipulation, and preventing damage to components.Type: GrantFiled: May 5, 2022Date of Patent: February 14, 2023Assignee: HL MANDO CORPORATIONInventor: Bong Sung Ko
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Publication number: 20220379952Abstract: The present disclosure provides a driving unit of a steering apparatus configured to provide an auxiliary torque of a steering apparatus and including a driving housing having an installation region formed therein, and the driving unit includes a worm shaft disposed in the installation region and having a worm gear formed therein, a first bearing rotatably supporting one side of the worm shaft, a damper penetrating and supporting one side of the worm shaft supported by the first bearing, and a stopper penetrating and supporting one side of the worm shaft passing through the damper, one end of the stopper being spaced apart from the damper so that a movement of the damper is limited in an axial direction of the worm shaft.Type: ApplicationFiled: May 4, 2022Publication date: December 1, 2022Inventors: Bong Sung KO, Kyeongho LEE
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Publication number: 20220355851Abstract: According to the present embodiments, it is possible to prevent a tooth-on-tooth engagement between gear teeth, which may occur during the telescoping operation of the steering column, thereby leading to stable locking of the steering column, enhancing the driver's feeling of lever manipulation, and preventing damage to components.Type: ApplicationFiled: May 5, 2022Publication date: November 10, 2022Inventor: Bong Sung KO
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Publication number: 20220281517Abstract: The present embodiments relate to a reducer for a vehicle steering device. According to the present embodiments, there may be provided a reducer for a vehicle steering device, comprising a worm shaft having a gear part, geared with a worm wheel, on an outer circumferential surface thereof, bearings individually fitted over two opposite side portions of the worm shaft, and dampers coupled to axially support at least one of the bearings and limited in axially elastically deformed length when assembled in a reducer housing.Type: ApplicationFiled: March 2, 2022Publication date: September 8, 2022Inventor: BONG SUNG KO
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Patent number: 11325635Abstract: Embodiments may allow the steering wheel to be received in a vehicle body to secure a space for the driver's seat in autonomous driving mode and prevent the steering wheel from interfering with the driver's body, thereby allowing for the driver's comfortable movement while preventing the driver from intervening in steering. It is also possible to implement a further simplified folding structure of the steering wheel, providing more advantages in terms of costs and space.Type: GrantFiled: April 9, 2021Date of Patent: May 10, 2022Assignee: MANDO CORPORATIONInventor: Bong Sung Ko
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Publication number: 20210316776Abstract: Embodiments may allow the steering wheel to be received in a vehicle body to secure a space for the driver's seat in autonomous driving mode and prevent the steering wheel from interfering with the driver's body, thereby allowing for the driver's comfortable movement while preventing the driver from intervening in steering. It is also possible to implement a further simplified folding structure of the steering wheel, providing more advantages in terms of costs and space.Type: ApplicationFiled: April 9, 2021Publication date: October 14, 2021Inventor: Bong Sung KO
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Patent number: 10731744Abstract: The present invention relates to a speed reducer for a vehicle. The speed reducer includes: a first coupler having, on one side thereof, a first coupling portion, to which a motor shaft or a worm shaft is coupled, and, on the other side thereof, a plurality of first protrusions, which are spaced apart from each other in a circumferential direction while protruding in an axial direction, in which the first protrusions are formed in a manner in which a circumferential width of each of the first protrusions is narrowed toward an inner side from an outer side so as to form a first outer support portion as a radial outer end and a first inner support portion as a radial inner end; and a second coupler configured to be coupled to the first coupler to transmit a rotational force to the first coupler.Type: GrantFiled: May 19, 2017Date of Patent: August 4, 2020Assignee: MANDO CORPORATIONInventor: Bong Sung Ko
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Publication number: 20170335943Abstract: The present invention relates to a speed reducer for a vehicle. The speed reducer includes: a first coupler having, on one side thereof, a first coupling portion, to which a motor shaft or a worm shaft is coupled, and, on the other side thereof, a plurality of first protrusions, which are spaced apart from each other in a circumferential direction while protruding in an axial direction, in which the first protrusions are formed in a manner in which a circumferential width of each of the first protrusions is narrowed toward an inner side from an outer side so as to form a first outer support portion as a radial outer end and a first inner support portion as a radial inner end; and a second coupler configured to be coupled to the first coupler to transmit a rotational force to the first coupler.Type: ApplicationFiled: May 19, 2017Publication date: November 23, 2017Inventor: Bong Sung KO
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Patent number: 9091337Abstract: A reducer of an electric power steering apparatus is disclosed. It reduces rattle noise generated by a backlash due to friction and wear of a worm and a worm wheel or an impact transmitted from a road surface through a wheel and a steering shaft and enhances a steering feeling of a driver by improving the catching phenomenon and rotational resistance generated between a worm shaft and a worm shaft bearing.Type: GrantFiled: October 22, 2013Date of Patent: July 28, 2015Assignee: MANDO CORPORATIONInventors: Bong Sung Ko, Seong Yoon Kim, Seung Yong Pyo, Sung Jae Yoo
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Patent number: 8905185Abstract: A reducer of an electric power steering apparatus is disclosed. It reduces rattle noise generated by a backlash due to friction and wear of a worm and a worm wheel or an impact transmitted from a road surface through a wheel and a steering shaft and enhances a steering feeling of a driver by improving the catching phenomenon and rotational resistance generated between a worm shaft and a worm shaft bearing.Type: GrantFiled: December 20, 2010Date of Patent: December 9, 2014Assignee: Mando CorporationInventors: Bong Sung Ko, Seong Yoon Kim, Seung Yong Pyo, Sung Jae Yoo
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Publication number: 20140041475Abstract: A reducer of an electric power steering apparatus is disclosed. It reduces rattle noise generated by a backlash due to friction and wear of a worm and a worm wheel or an impact transmitted from a road surface through a wheel and a steering shaft and enhances a steering feeling of a driver by improving the catching phenomenon and rotational resistance generated between a worm shaft and a worm shaft bearing.Type: ApplicationFiled: October 22, 2013Publication date: February 13, 2014Applicant: MANDO CORPORATIONInventors: Bong Sung Ko, Seong Yoon Kim, Seung Yong Pyo, Sung Jae Yoo
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Publication number: 20110147113Abstract: A reducer of an electric power steering apparatus is disclosed. It reduces rattle noise generated by a backlash due to friction and wear of a worm and a worm wheel or an impact transmitted from a road surface through a wheel and a steering shaft and enhances a steering feeling of a driver by improving the catching phenomenon and rotational resistance generated between a worm shaft and a worm shaft bearing.Type: ApplicationFiled: December 20, 2010Publication date: June 23, 2011Inventors: Bong Sung Ko, Seong Yoon Kim, Seung Yong Pyo, Sung Jae Yoo