Patents by Inventor Hyun Ko

Hyun 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).

  • Publication number: 20210146817
    Abstract: A cup holder for a vehicle may include a holder body slidably coupled to a cup holder mounting portion in the vehicle, a finger elastically and pivotably mounted to the holder body, and configured to press and support a side surface of a cup inserted into the cup holder together with the holder body, a support connected to the holder body by a link such that the support is vertically movable in accordance with pivotal movement of the link, the support being configured to support a bottom portion of the cup, and a locking member disposed between the finger and the link, to lock the link, for prevention of pivotal movement of the link, or to unlock the link in linkage with pivotal operation of the finger.
    Type: Application
    Filed: November 4, 2020
    Publication date: May 20, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, NIFCO KOREA Inc., HYUNDAI TRANSYS INC.
    Inventors: Hyun Ko, Sang Hark Lee, Hoon Bok Lee, Won Sang Cho, Hyun Kim, Hyeok Song
  • Patent number: 11008274
    Abstract: A method for preparing dimethylolbutanal including performing an aldol reaction of n-butyraldehyde (n-BAL) and paraformaldehyde (PFA) in the presence of water and an alkylamine catalyst, in which a weight ratio of the paraformaldehyde:water is 1:0.35 to 1:0.85.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: May 18, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Min Ji Choi, Sungshik Eom, Dawon Jung, Tae Yun Kim, Dong Hyun Ko, Mi Young Kim
  • Publication number: 20210138934
    Abstract: A device and a method for automatically restoring a seatback is provided in which a seatback is electrically deployed at a predetermined angle by being interlocked when a seat of a vehicle is moved to a predetermined position to facilitate a passenger to get into and out of the vehicle. The device includes a seat cushion, a seatback installed in the seat cushion to be adjustable in angle, a seat rail, and a seat track slidably installed in the seat rail. A seat position detection sensor detects a position of the seat track and a seat position detection member operates the seat position detection sensor. A seatback angle adjustment motor adjusts an angle of the seatback. When the seat position detection sensor detects that the seat track reaches a predetermined operating position, the seatback angle adjustment motor deploys the seatback.
    Type: Application
    Filed: September 14, 2020
    Publication date: May 13, 2021
    Inventors: Hoon-Bok Lee, Bong-Ku Kim, Sang-Hark Lee, Sang-Do Park, Hyun Ko
  • Publication number: 20210129124
    Abstract: A hydroformylation catalyst having excellent catalytic activity and stability, a composition including the hydroformylation catalyst, and a method of preparing an aldehyde using the hydroformylation catalyst, wherein, when hydroformylation of an olefin compound is performed in the presence of the hydroformylation catalyst to prepare an aldehyde, the normal/iso (n/i) ratio of the prepared aldehyde is lowered, and synthesis gas yield is increased.
    Type: Application
    Filed: January 5, 2021
    Publication date: May 6, 2021
    Inventors: Mi Young Kim, Sung Shik Eom, Dong Hyun Ko, Da Won Jung, Tae Yun Kim, Min Ji Choi
  • Patent number: 10994316
    Abstract: A straightening system is provided to perform straightening in conformity with a shape pattern of a the material. The straightening system includes a cooling device configured to spray a cooling fluid in a predetermined pattern with respect to a plurality of regions of the material, divided in a width direction, to cool the material that is heated in a heating furnace and then passes through a rolling mill. The straightening system also includes a straightening device configured to straighten the material passed through the cooling device. The straightening system further includes a flatness measuring system configured to measure flatness of the material passed through the cooling device and a controller configured to receive data of the flatness of the material from the flatness measuring system and to control the cooling device in response to the data to enhance the flatness of the material.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: May 4, 2021
    Assignee: POSCO
    Inventors: Gwan-Sik Min, Pil-Jong Lee, Seong-Hyun Ko, Hui-Seop Kwon, Seung-Woo Park, Jong-Hoon Kang, Jae-Hyung Seo
  • Patent number: 10994262
    Abstract: Disclosed are a catalyst for oxidative dehydrogenation and a method of preparing the same. More particularly, a catalyst for oxidative dehydrogenation of butene having a high butene conversion rate and superior side reaction inhibition effect and thus having high reactivity and high selectivity for a product by preparing metal oxide nanoparticles and then fixing the prepared metal oxide nanoparticles to a support, and a method of preparing the same are provided.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Seongmin Kim, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Myung Ji Suh, Jun Kyu Han, Sun Hwan Hwang, Jun Han Kang, Joo Hyuck Lee, Hyun Seok Nam, Ye Seul Hwang, Sang Jin Han
  • Patent number: 10994265
    Abstract: Provided is a catalyst system for oxidative dehydrogenation, a reactor for preparing butadiene including the catalyst system, and a method of preparing 1,3-butadiene. In the catalyst system for oxidative dehydrogenation, a coating catalyst is diluted with a specific dilution filler and a reactor is filled with the diluted catalyst, or a reactor is filled with a catalyst for oxidative dehydrogenation so that the concentration of an active ingredient included in the catalyst gradually increases in the direction from reactants inlet in which reactants are fed into the reactor to products outlet. The catalyst system for oxidative dehydrogenation can efficiently control heat generated inside a reactor, thereby improving conversion rate, selectivity, yield, and long-term stability of a catalyst.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: May 4, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Myungji Suh, Dong Hyun Ko, Kyong Yong Cha
  • Publication number: 20210114001
    Abstract: The method for preparing a ferrite-based coating catalyst including mixing a support, a ferrite-based catalyst, a cellulose-based additive, and water, in which a content of the cellulose-based additive is 0.5 wt % or less based on a total weight of the ferrite-based catalyst.
    Type: Application
    Filed: February 26, 2019
    Publication date: April 22, 2021
    Inventors: Joohyuck LEE, Dong Hyun KO, Kyong Yong CHA, Myungji SUH
  • Publication number: 20210107873
    Abstract: A preparation method according to the present invention makes it possible to industrially produce large amounts of highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield by use of commercially available reagents and solvents. In addition, the use of novel intermediates according to the present invention makes it possible to produce highly pure optically active tert-butyl 3-methyl-4-oxopiperidine-1-carboxylate in high yield.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 15, 2021
    Inventors: Jae Hong Kweon, Eun Sun Kim, Hyuk Woo Lee, Dong Hyun Ko, Chae Young Ryu, Kwang Do Choi, SeungPyeong Heo
  • Publication number: 20210095159
    Abstract: The present disclosure relates to a coating solution composition for a 3D model, that includes a rubber material and an organic solvent, a preparation method thereof, and a preparation method of a 3D model using the same. When a 3D model is coated using the coating solution composition for a 3D model of the present disclosure, the coated 3D model will have a similar elasticity and strength as those of an organ, thus enabling surgical simulation, and therefore, it can be used in surgeries that require surgical simulation due to the small size of pediatric hearts and the like and variety and complexity of related diseases, thereby inducing successful surgeries, and thus it can be widely used in the medical industry.
    Type: Application
    Filed: April 6, 2018
    Publication date: April 1, 2021
    Inventors: Guk Bae KIM, Kyung Hyun KO, Min Je LIM, Namkug KIM, Dong Hyun YANG, Tae Jin YUN, Chun Soo PARK
  • Patent number: 10964908
    Abstract: A display module includes a window including a base substrate and a bezel pattern overlapping the base substrate in a plan view, and a display panel. The bezel pattern includes a first bezel pattern extending along an edge of the base substrate, and a second bezel pattern which extends from the first bezel pattern and of which at least a portion defines a transmission area. The display panel includes a glass substrate, an encapsulation substrate on the glass substrate, a sealing member coupling the glass substrate and the encapsulation substrate and overlapping the first bezel pattern in the plan view, a circuit element layer disposed on the glass substrate and including a transistor, and a display element layer disposed on the circuit element layer and including light emitting elements. The display element layer exposes a portion of a layer disposed thereunder, which corresponds to the transmission area.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keehyun Nam, Jun-woo Kim, Hyesuk An, Gyung-hyun Ko, Hoon Kim
  • Patent number: 10947174
    Abstract: A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: March 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dawon Jung, Sungshik Eom, Tae Yun Kim, Dong Hyun Ko, Mi Young Kim, Min Ji Choi, Taewoo Kim
  • Patent number: 10946364
    Abstract: Provided is a catalyst system for oxidative dehydrogenation, a reactor for oxidative dehydrogenation including the catalyst system, and a method of performing oxidative dehydrogenation using the reactor. In the catalyst system, a fixed-bed reactor is filled with a catalyst for oxidative dehydrogenation in an n-stage structure (n being an integer of 2 or more), wherein each stage of the n-stage structure satisfies Equations 1 and 2 as claimed so that the concentration of an active ingredient included in the catalyst gradually increases in the direction in which reactants are fed into the reactor. Heat generated inside the reactor may be effectively controlled during oxidative dehydrogenation, thereby improving conversion rate, selectivity, and yield. In addition, catalyst deterioration may be reduced, thereby improving long-term stability of the catalyst.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: March 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Myungji Suh, Dong Hyun Ko, Jun Han Kang, Hyunseok Nam, Sang Jin Han, Seongmin Kim
  • Publication number: 20210060537
    Abstract: Provided is a catalyst for an oxidative dehydrogenation reaction that comprises: a porous support; a core portion supported on the porous support and containing a first zinc ferrite-based catalyst; and a shell portion supported on the core portion and containing a second zinc ferrite-based catalyst, in which the first zinc ferrite-based catalyst and the second zinc ferrite-based catalyst are different from each other.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 4, 2021
    Inventors: Ye Seul HWANG, Dong Hyun KO, Joohyuck LEE, Myungji SUH
  • Patent number: 10926246
    Abstract: The present invention relates to a method of preparing a catalyst for oxidative dehydrogenation. More particularly, the present invention provides a method of preparing a catalyst for oxidative dehydrogenation providing superior selectivity and yield for a conjugated diene according to oxidative dehydrogenation by constantly maintaining pH of a coprecipitation solution using a drip-type double precipitation method to adjust an ?-iron oxide content in a catalyst in a predetermined range.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: February 23, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jun Kyu Han, Dong Hyun Ko, Kyong Yong Cha, Myung Ji Suh, Sun Hwan Hwang, Seong Min Kim
  • Publication number: 20210046469
    Abstract: A method for preparing a metal complex catalyst by (A) obtaining a precipitate by bringing a metal precursor solution comprising a zinc (Zn) precursor, a ferrite (Fe) precursor, and water into contact with a basic aqueous solution; (B) obtaining a zinc ferrite catalyst by filtering and calcining the precipitate; and (C) supporting an acid onto the zinc ferrite catalyst, and a metal complex catalyst prepared thereby.
    Type: Application
    Filed: April 10, 2019
    Publication date: February 18, 2021
    Inventors: Sunhwan HWANG, Kyong Yong CHA, Dong Hyun KO, Ye Seul HWANG, Jun Kyu HAN, Sang Jin HAN, Seongmin KIM
  • Patent number: D912652
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: March 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kee Hyun Nam, Jun Woo Kim, Hye Suk An, Kyung Hyun Ko, Hoon Kim
  • Patent number: D915409
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: April 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Woo Koo, Kee Hyun Nam, Jun Woo Kim, Kyung Hyun Ko, Hye Suk An
  • Patent number: D917490
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: April 27, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Jung Lee, Kyung Hyun Ko, Yong Woo Koo, Jun Il Kwon, Pablo Kim, Young-Su Kim, Jun Woo Kim, Hoon Kim, Hye Suk An, Hyun Joo Lee, Ki Ho Lim
  • Patent number: D920964
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kim, Kyung Hyun Ko, Young-Su Kim, Jun Woo Kim