Patents by Inventor Jae Eun Chang
Jae Eun Chang 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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Publication number: 20250115102Abstract: Provided are a vehicle door including a plastic film seal and a method of assembling the same. The plastic film seal is attached to an inner panel of a vehicle door between the inner panel and a door trim to improve watertight performance and, when the door trim is removed, improve the outer appearance. The vehicle door includes an outer panel, an inner panel provided inside of the outer panel, a door trim attached to and finishing the inner panel, and a plastic film seal provided between the inner panel and the door trim.Type: ApplicationFiled: May 15, 2024Publication date: April 10, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Ho-Young Yoon, Je-Sun Han, Jae-Eun Chang
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Publication number: 20240399965Abstract: A cover apparatus for a vehicle includes a main body part configured to shield a luggage space of the vehicle and connected to a tailgate and includes a pair of side hinge parts coupled to the main body part and, as the tailgate is opened, guiding the main body part to rotate in a direction in which the main body part and the tailgate are opened together by being interlocked with each other. The cover apparatus includes a screen part mounted on the pair of side hinge parts and configured to be selectively drawn out to hook on a rear seat. An elastic force acts on the screen part in a direction to be drawn out. The elastic force is provided by the pair of side hinge parts.Type: ApplicationFiled: November 8, 2023Publication date: December 5, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Min Su Kim, Jae Eun Chang, Kyu Hee Kim, Suk Won Hong, Tae Sung Mun, Tae Oh Moon, Kang Ho Joo
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Publication number: 20240174137Abstract: A full-flat rear seat is a collapsible full-flat rear seat including a seatback board mounted on a rear surface of a backrest of the rear seat of a vehicle and providing a flat support surface together with a luggage board of the vehicle in being selectively unfolded, when the rear seat rotates, and the seatback board includes: a center seatback board mounted on a rear surface of the rear seat of the vehicle; an upper seatback board provided at an upper side of the center seatback board and configured to move relative to the center seatback board; and a lower seatback board provided at a lower side of the center seatback board and hinged thereto and configured to hingedly rotate toward one surface of the center seatback board.Type: ApplicationFiled: January 26, 2023Publication date: May 30, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Young Dong KIM, Jae Eun CHANG, Qi Jiang LI
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Patent number: 10696234Abstract: A covering shelf apparatus for a vehicle is provided. The apparatus is convertible into a using state in which the covering shelf operating separately from a tailgate closes a luggage compartment, a standing state in which the covering shelf is open at an angle, and a stowed state in which the covering shelf is inserted behind a rear seat. Accordingly, freight is capable of being loaded on the covering shelf in the using state in which the covering shelf closes the luggage compartment. Since the covering shelf is operated separately from the tailgate, the covering shelf is capable of being used more conveniently.Type: GrantFiled: May 11, 2018Date of Patent: June 30, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ja Hae Choi, Jae Eun Chang, Jun Pyo Lee
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Patent number: 10625490Abstract: A method of fabricating a bubble sheet for vehicles includes steps of: preheating a first polymer sheet; providing the first polymer sheet to a partially preheated pattern forming machine to form a pattern polymer sheet including a plurality of patterns having a prominent or depressed shape; and bonding the pattern polymer sheet and a non-woven fabric sheet.Type: GrantFiled: November 27, 2017Date of Patent: April 21, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hong Mo Koo, Jae Eun Chang
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Publication number: 20190161016Abstract: A covering shelf apparatus for a vehicle is provided. The apparatus is convertible into a using state in which the covering shelf operating separately from a tailgate closes a luggage compartment, a standing state in which the covering shelf is open at an angle, and a stowed state in which the covering shelf is inserted behind a rear seat. Accordingly, freight is capable of being loaded on the covering shelf in the using state in which the covering shelf closes the luggage compartment. Since the covering shelf is operated separately from the tailgate, the covering shelf is capable of being used more conveniently.Type: ApplicationFiled: May 11, 2018Publication date: May 30, 2019Inventors: Ja Hae Choi, Jae Eun Chang, Jun Pyo Lee
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Publication number: 20190077113Abstract: A method of fabricating a bubble sheet for vehicles includes steps of: preheating a first polymer sheet; providing the first polymer sheet to a partially preheated pattern forming machine to form a pattern polymer sheet including a plurality of patterns having a prominent or depressed shape; and bonding the pattern polymer sheet and a non-woven fabric sheet.Type: ApplicationFiled: November 27, 2017Publication date: March 14, 2019Inventors: Hong Mo KOO, Jae Eun CHANG
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Patent number: 9805706Abstract: Disclosed is a method for manufacturing a soundproofing board part having improved sound absorption performance. The soundproofing board part is manufactured by using, as a material, a recycled soundproofing material which contains a polyurethane foam having excellent sound absorption performance and impact resilience during the press molding; and by producing a sound absorption part on the back surface of the soundproofing board part through a remolding processing method. Also disclosed is a soundproofing board part manufactured by the method. Accordingly, sound absorption performance of the soundproofing board part is improved by about 20% or greater, manufacturing cost thereof may be reduced by recycled resources utilizing waste sheets, and manufacturing process may be simplified compared the related art.Type: GrantFiled: April 17, 2015Date of Patent: October 31, 2017Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hong Mo Koo, Jae Eun Chang, Dong Jun Lee, Kie Youn Jeong, Bong Hyun Park, Kil Bu Joo, Boo Youn An
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Publication number: 20160035338Abstract: Disclosed is a method for manufacturing a soundproofing board part having improved sound absorption performance. The soundproofing board part is manufactured by using, as a material, a recycled soundproofing material which contains a polyurethane foam having excellent sound absorption performance and impact resilience during the press molding; and by producing a sound absorption part on the back surface of the soundproofing board part through a remolding processing method. Also disclosed is a soundproofing board part manufactured by the method. Accordingly, sound absorption performance of the soundproofing board part is improved by about 20% or greater, manufacturing cost thereof may be reduced by recycled resources utilizing waste sheets, and manufacturing process may be simplified compared the related art.Type: ApplicationFiled: April 17, 2015Publication date: February 4, 2016Inventors: Hong Mo Koo, Jae Eun Chang, Dong Jun Lee, Kie Youn Jeong, Bong Hyun Park, Kil Bu Joo, Boo Youn An
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Patent number: 8967329Abstract: A sound absorbing and sound blocking reinforced board for a vehicle is provided, which has advantages of simultaneously satisfying sound absorbing properties. The sound absorbing and sound blocking reinforced board is capable of reducing environmental pollutants and improving economic efficiency by including a sound absorbing layer, which includes a recycled polyurethane foam, a binding material, a web forming material, and a rigid reinforcement material; and a sound blocking layer.Type: GrantFiled: November 12, 2013Date of Patent: March 3, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae-Eun Chang, Hong-Mo Koo
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Publication number: 20140326535Abstract: A sound absorbing and sound blocking reinforced board for a vehicle is provided, which has advantages of simultaneously satisfying sound absorbing properties. The sound absorbing and sound blocking reinforced board is capable of reducing environmental pollutants and improving economic efficiency by including a sound absorbing layer, which includes a recycled polyurethane foam, a binding material, a web forming material, and a rigid reinforcement material; and a sound blocking layer.Type: ApplicationFiled: November 12, 2013Publication date: November 6, 2014Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Jae-Eun CHANG, Hong-Mo KOO
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Publication number: 20130341120Abstract: Disclosed is a soundproof material fabricated using recycled polyurethane foam from waste seats and a process of fabricating the same, and more particularly, a soundproof material fabricated by stacking a thermoplastic polymer on a sound absorbing material including recycled polyurethane foam from seats from end-of-life vehicles and a process of fabricating the same. Use of recycled resources provides an eco-friendly impact, reduces manufacturing costs for parts, and allows for improved mechanical rigidity and sound insulating properties. The soundproof material may be applied to various automobile parts such as package trays, luggage coverings, covering shelves, and isolation pads.Type: ApplicationFiled: September 24, 2012Publication date: December 26, 2013Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Hong Mo Koo, Jae Eun Chang, June Ho Yang, Dong Jun Lee
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Patent number: 7735854Abstract: A ramp bracket assembly for a vehicle air bag is configured to be mounted to an inner panel of the vehicle. The assembly includes a first ramp bracket with a first engagement portion, and a second ramp bracket with a second engagement portion removably engaged with the first engagement portion. The second engagement portion is disengaged from the first engagement portion in a vehicle impact, such that the assembly absorbs shock and guides deployment of the air bag. Alternatively, a ramp bracket for a vehicle air bag is configured to be mounted to an inner panel of the vehicle. The inner panel has an engagement groove, and the ramp bracket has an engagement portion, removably engaged into the engagement groove, and disengaged therefrom in a vehicle impact such that the bracket absorbs shock and guides deployment of the air bag.Type: GrantFiled: December 28, 2007Date of Patent: June 15, 2010Assignee: Kia Motors CorporationInventor: Jae Eun Chang
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Publication number: 20090102165Abstract: A ramp bracket assembly for a vehicle air bag is configured to be mounted to an inner panel of the vehicle. The assembly includes a first ramp bracket with a first engagement portion, and a second ramp bracket with a second engagement portion removably engaged with the first engagement portion. The second engagement portion is disengaged from the first engagement portion in a vehicle impact, such that the assembly absorbs shock and guides deployment of the air bag. Alternatively, a ramp bracket for a vehicle air bag is configured to be mounted to an inner panel of the vehicle. The inner panel has an engagement groove, and the ramp bracket has an engagement portion, removably engaged into the engagement groove, and disengaged therefrom in a vehicle impact such that the bracket absorbs shock and guides deployment of the air bag.Type: ApplicationFiled: December 28, 2007Publication date: April 23, 2009Inventor: Jae Eun Chang
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Publication number: 20090027905Abstract: A sunvisor lighting apparatus for use with a vehicle sunvisor that is pivotably mounted to a head liner, and is user-manipulable between an open and a closed position. The apparatus includes a lighting section, installed in the head liner at a position where the sunvisor covers the head liner when the sunvisor is closed. The lighting section is user-tiltable between an off position at which a light source is turned off, and at least one on position at which the light source is turned on.Type: ApplicationFiled: November 19, 2007Publication date: January 29, 2009Inventor: Jae Eun Chang
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Publication number: 20030202853Abstract: A step drill minimizes burrs formed during drilling. Reducing the uncut portion of the work minimized an exit burr, which is formed by the advancing of a drill into a workpiece and increases the bending deformation during the drilling procedure of the workpiece and prolongation of cutting without bending to the end of cutting. The step drill includes a step portion formed at the front edge of the step drill. The step portion has a diameter less than a diameter of the body of the step drill and a step angle of 5 degrees through 130 degrees, and the size of the step is preferably 3% to 20% of the diameter of the body of the step drill.Type: ApplicationFiled: September 6, 2002Publication date: October 30, 2003Inventors: Sung-Lim Ko, Jae-Eun Chang