Patents by Inventor Joo Choi

Joo Choi 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).

  • Sliding armrest for vehicle
    Patent number: 9937827
    Abstract: A sliding armrest for a vehicle is provided that includes a lower cover having a rotatable hook that is detachably coupled to a console and opening and closing a storage space of the console An upper cover slides between a protruding position in a length direction and an initial position and a moving part is rotatably provided at the upper cover that rotates the hook at the initial position of the upper cover to detach the hook from the console. A stopper fastens to the lower cover to restrain sliding of the upper cover or released from the lower cover by the moving part to allow the sliding of the upper cover An interlock is disposed at the upper cover and that rotates the hook corresponding to an operation of the moving part at the protruding position of the upper cover, to detach the hook from the console.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: April 10, 2018
    Assignee: Seoyon E-Hwa Co., Ltd.
    Inventors: Bong Joo Choi, Sang Wook Kang
  • BATTERY PACK
    Publication number: 20180076427
    Abstract: Disclosed is a battery pack, which includes at least one battery module, a pack case configured to package the at least one battery module, a BMS (Battery Management System) unit provided in the pack case to control the at least one battery module, and a memory slot unit electrically connected to the BMS unit and configured to insert a memory unit therein for firmware update of the battery pack.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 15, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Yeo-Joo CHOI, Hyeon-Kyu KIM, Bum-Hyun LEE, Jae-Ki LEE
  • METHOD FOR PREDICTING SENSITIVITY TO VASCULAR ENDOTHELIAL GROWTH FACTOR RECEPTOR INHIBITOR
    Publication number: 20180030541
    Abstract: The present invention relates to a method for predicting sensitivity to treatment with vascular endothelial growth factor receptor (VEGFR) inhibitors, by using a biomarker. An effective means and anticancer therapy for cancer treatment of liver cancer are selected by predicting the effect of treatment with VEGFR inhibitors on liver cancer patients through the present invention, thereby increasing the treatment effect and minimizing the side effects of liver cancer treatment.
    Type: Application
    Filed: October 22, 2015
    Publication date: February 1, 2018
    Applicants: CBSBIOSCIENCE INC., GIL MEDICAL CENTER
    Inventors: Jin Young Park, Young Ho Moon, Jung-Hee Kwon, Yun Soo Kim, Ju Hyun Kim, Duck Joo Choi
  • Display substrate and method of fabricating the same
    Patent number: 9871061
    Abstract: A display substrate and its fabricating method have been disclosed. In a horizontal-field-mode liquid crystal display device, while maintaining five mask processes, additional direct contact has been formed to implement a narrow bezel.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: January 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Young-Joo Choi
  • PHOTOMASK AND METHOD FOR MANUFACTURING COLUMN SPACER FOR COLOR FILTER USING THE SAME
    Publication number: 20170285459
    Abstract: The present invention relates to a photomask and a method for manufacturing a column spacer for a color filter using the same, and according to one aspect of the present invention, a photomask is provided, which comprises a central region having a first transmittance, a first perimeter region surrounding the central region and having a second transmittance lower than the first transmittance, and a second perimeter region surrounding the first perimeter region and having the first transmittance.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Dae Han SEO, Dong Chang Choi, Kwang Han Park, Sang Choll Han, Jae Jin Kim, Eun Joo Choi, Min Soo Song
  • Coated separator and electrochemical device including the same
    Patent number: 9722224
    Abstract: A separator for a battery and an electronic device, the separator including a separator substrate; and a separator coating layer coated on at least one surface of the separator substrate, the separator coating layer including a binder and at least one quaternary ammonium salt.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Yeon-Joo Choi, Jong-Hwan Park, Jung-Hyun Nam, Hoon Seok
  • CANTILEVER SET FOR ATOMIC FORCE MICROSCOPES, SUBSTRATE SURFACE INSPECTION APPARATUS INCLUDING THE SAME, METHOD OF ANALYZING SURFACE OF SEMICONDUCTOR SUBSTRATE BY USING THE SAME, AND METHOD OF FORMING MICROPATTERN BY USING THE SAME
    Publication number: 20170212145
    Abstract: A method of forming a micropattern, a substrate surface inspection apparatus, a cantilever set for an atomic force microscope, and a method of analyzing a surface of a semiconductor substrate, and a probe tip the method including forming pinning patterns on a semiconductor substrate; forming a neutral pattern layer in spaces between the pinning patterns; and inspecting a surface of a guide layer that includes the pinning patterns and the neutral pattern layer by using an atomic force microscope (AFM).
    Type: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Kyeong-mi LEE, Jeong-ju PARK, Shi-yong YI, Eun-sung KIM, Seung-chul KWON, Sang-ouk KIM, Young-joo CHOI
  • Display substrate including direct contact part and method of fabricating the same
    Patent number: 9704890
    Abstract: A display substrate including a lower common electrode disposed on a substrate, an insulating layer disposed on the lower common electrode, a gate pattern including a gate electrode disposed on the insulating layer and a common electrode contact part and a direct contact part spaced apart from the gate electrode, a gate insulating layer disposed on the gate pattern, a semiconductor layer disposed on the gate insulating layer, an etch stopping layer disposed on the gate insulating layer, source and drain electrodes disposed on the etch stopping layer, pixel part extending from the source and drain electrodes, a first conductive layer connected to the common electrode contact part, a second conductive layer connected to the direct contact part, and a passivation layer disposed on the source and drain electrodes, the first conductive layer, and the second conductive layer.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Young-Joo Choi
  • Display substrate and method of fabricating the same
    Patent number: 9679921
    Abstract: Disclosed are a display substrate, of which productivity is improved by decreasing five mask (M) processes utilized for fabricating the display substrate used in a liquid crystal display device in a horizontal field (Plane to Line Switching (PLS)) mode to four mask processes, and a method of fabricating the same.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: June 13, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Young-Joo Choi
  • Multilayer ceramic electronic component and method of manufacturing the same
    Patent number: 9673383
    Abstract: There is provided a multilayer ceramic electronic component including: a ceramic body in which internal electrodes containing a first electrode material and dielectric layers are alternately disposed; external electrodes provided on outer surfaces of the ceramic body and containing a second electrode material; and diffusion parts each disposed to be connected to one end of the internal electrode and the external electrode and containing the first electrode material and the second electrode material mixed with each other, wherein the diffusion part includes an internal diffusion portion disposed within the ceramic body and an external diffusion portion protruding outside of the ceramic body.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: June 6, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyoung No Lee, Kyu Ha Lee, Eun Joo Choi, Jun Hyeong Kim, Byung Jun Jeon
  • Resin blend
    Patent number: 9650511
    Abstract: Provided is a resin blend including a first resin and a second resin, the second resin having a hydrophobic functional group in a side chain and having a surface energy difference of 0.1 to 20 mN/m from the first resin at 25° C., wherein the resin blend is capable of forming a layer separation structure. Also, provided are a pellet, a method for preparing the same, and a resin molding article having a specific layer separation structure. The resin blend may not only improve mechanical properties and surface hardness of the molding article but also shorten process time, increase productivity and reduce production cost by omitting an additional surface coating step.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: May 16, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Houng Sik Yoo, Jin Young Ryu, Woo Sung Kim, Han Na Lee, Eun Joo Choi, Hyeon Choi
  • Resin blend
    Patent number: 9650510
    Abstract: Provided are a resin blend including a first resin, and a second resin having a hydrophobic moiety represented by Formula 1 at a main chain and having a difference in surface energy from the first resin at 25° C. of 0.1 to 20 mN/m, and formed in a layer-separated structure, a pellet, a method of manufacturing the same, and a resin molded article having a specific layer-separated structure. Because of the resin blend, a molded product may have enhanced mechanical properties and surface hardness, and additional surface coating may be omitted, thereby reducing a processing time, increasing productivity, and reducing production costs.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: May 16, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Eun Joo Choi, Jin Young Ryu, Woo Sung Kim, Houng Sik Yoo, Han Na Lee, Hyeon Choi
  • Resin blend
    Patent number: 9644086
    Abstract: Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in solubility parameter from the first resin at 25° C. of 0.001 to 10 (J/cm3)1/2. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: May 9, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Young Jun Hong, Chong Kyu Shin, Eun Joo Choi
  • THIN FILM TRANSISTOR PANEL HAVING AN ETCH STOPPER ON SEMICONDUCTOR
    Publication number: 20170077246
    Abstract: A thin film transistor panel includes an insulating substrate, a gate insulating layer disposed on the insulating substrate, an oxide semiconductor layer disposed on the gate insulating layer, an etch stopper disposed on the oxide semiconductor layer, and a source electrode and a drain electrode disposed on the etch stopper.
    Type: Application
    Filed: November 4, 2016
    Publication date: March 16, 2017
    Inventors: Pil-Sang YUN, Ki-Won KIM, Hye-Young RYU, Woo-Geun LEE, Seung-Ha CHOI, Jae-Hyoung YOUN, Kyoung-Jae CHUNG, Young-Wook LEE, Je-Hun LEE, Kap-Soo YOON, Do-Hyun KIM, Dong-Ju YANG, Young-Joo CHOI
  • Handle for home appliance
    Patent number: D788522
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-Joo Choi, Ji-Young Shin
  • Knob
    Patent number: D808767
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: January 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jun Kim, Jae-Moon Lee, Hyeong-Ju Seo, Woo-Joo Choi, Jong-Su Jeon, Hwan-Woong Choi
  • Cooktop
    Patent number: D812410
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: March 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jun Kim, Jae-Moon Lee, Hyeong-Ju Seo, Woo-Joo Choi, Jong-su Jeon, Hwan-Woong Choi
  • Cooktop
    Patent number: D812958
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: March 20, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jun Kim, Jae-Moon Lee, Hyeong-Ju Seo, Woo-Joo Choi, Jong-Su Jeon, Hwan-Woong Choi
  • Oven
    Patent number: D812959
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: March 20, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jun Kim, Jae-Moon Lee, Hyeong-Ju Seo, Woo-Joo Choi, Jong-Su Jeon, Hwan-Woong Choi
  • Oven
    Patent number: D814231
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: April 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jun Kim, Jae-Moon Lee, Hyeong-Ju Seo, Woo-Joo Choi, Jong-Su Jeon, Hwan-Woong Choi