Patents by Inventor Hak-jae Kim

Hak-jae Kim 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: 20240125036
    Abstract: A washing machine comprises a housing, a drum rotatably disposed inside the housing, a driving shaft configured to transfer a rotational force from a driving motor of the washing machine to the drum, and a driving shaft flange configured to connect the driving shaft to the drum. The driving shaft flange comprises a first surface, a second surface substantially parallel to the first surface, wherein the first surface and the second surface are spaced apart from each other by a predetermined distance in the vertical direction, and an extension portion formed perpendicular to the first surface and the second surface and connecting the first surface to the second surface. An edge of the first surface and an edge of the second surface and an edge of the extension portion are substantially aligned in vertical direction of the drum.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hak Jae LEE, Jun Ho KIM, Jeong Haeng LEE
  • Patent number: 10414897
    Abstract: The present invention relates to a multifunctional clay composition which can be used as a clay capable of performing various functions before drying and which can be used as writing instruments similar to crayons, pastels or colored pencils after drying, and to a process for preparing the same. The multifunctional clay composition may comprise an extender material; a binder; a multifunctional crosslinking agent including a compound having a hydroxyl group of two or more functionality, or forming an ion having a hydroxyl group of two or more functionality in a water solvent; a wax and a pigment.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: September 17, 2019
    Inventor: Hak Jae Kim
  • Patent number: 10017004
    Abstract: The present invention relates to relates to a thermochromic writing instrument that may use thermochromic ink and erase a written content by generating heat with a frictional member provided thereat.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: July 10, 2018
    Assignee: DONG-A PENCIL CO., LTD.
    Inventor: Hak Jae Kim
  • Patent number: 9991083
    Abstract: A magnetron cooling fin has a flat plate shape in which one or a plurality of corrugated regions are formed in a body of the magnetron cooling fin to improve cooling efficiency thereof. A magnetron cooling fin in which a corrugated region processed to increase a contact area in contact with air is formed around a through-hole through which an anode unit of a magnetron passes, thereby improving cooling efficiency thereof.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: June 5, 2018
    Assignee: SAMSUNG ELECTRNOICS CO., LTD.
    Inventors: Dong Ho Park, Hak-Jae Kim, Myoung Keun Kwon, Eung Ryeol Seo, Seung Chul Yang
  • Patent number: 9909025
    Abstract: The present invention relates to thermochromic micro particles capable of stably implementing a high chromogenic property and a decolorization property and having an improved erasing property, thermal resistance, and chemical resistance, and a thermochromic ink composition, a writing apparatus, and a smart window using the same. The thermochromic micro particles comprise a core part including a phase change material and a dye, the phase change material including a phenol-based compound containing an aliphatic functional group having a carbon number of 6 or more; and a shell layer including a polymer resin.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: March 6, 2018
    Assignee: Dong-A Pencil Co., Ltd.
    Inventor: Hak Jae Kim
  • Publication number: 20180037712
    Abstract: The present invention relates to a multifunctional clay composition which can be used as a clay capable of performing various workings before drying and which can be used as writing instruments similar to crayons, pastels or colored pencils after drying, and to a process for preparing the same. The multifunctional clay composition may comprise an extender material; a binder; a multifunctional crosslinking agent including a compound having a hydroxyl group of two or more functionality, or forming an ion having a hydroxyl group of two or more functionality in a water solvent; a wax and a pigment.
    Type: Application
    Filed: January 6, 2017
    Publication date: February 8, 2018
    Inventor: Hak Jae KIM
  • Patent number: 9879147
    Abstract: The present invention relates to thermochromic micro particles capable of stably implementing a high chromogenic property and a decolorization property and having an improved erasing property, thermal resistance, and chemical resistance, and a thermochromic ink composition, a writing apparatus, and a smart window using the same. The thermochromic micro particles comprise a core part including a phase change material, a dye, and a developer, the phase change material including at least one selected from the group consisting of at least one chain hydrocarbon having a carbon number of 8 or more, a hydrated inorganic salt, alcohol having a carbon number of 3 or more, and polyalkyleneglycol; and a shell layer including a polymer resin.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: January 30, 2018
    Assignee: DONG-A PENCIL CO., LTD.
    Inventor: Hak Jae Kim
  • Publication number: 20170274700
    Abstract: The present invention relates to relates to a thermochromic writing instrument that may use thermochromic ink and erase a written content by generating heat with a frictional member provided thereat.
    Type: Application
    Filed: March 16, 2017
    Publication date: September 28, 2017
    Inventor: Hak Jae KIM
  • Publication number: 20170243711
    Abstract: A magnetron cooling fin has a flat plate shape in which one or a plurality of corrugated regions are formed in a body of the magnetron cooling fin to improve cooling efficiency thereof. A magnetron cooling fin in which a corrugated region processed to increase a contact area in contact with air is formed around a through-hole through which an anode unit of a magnetron passes, thereby improving cooling efficiency thereof.
    Type: Application
    Filed: February 23, 2017
    Publication date: August 24, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong Ho PARK, Hak-Jae KIM, Myoung Keun KWON, Eung Ryeol SEO, Seung Chul YANG
  • Patent number: 9697977
    Abstract: A magnetron includes a yoke, an anode unit including an anode cylinder, radially arranged vanes, and first and second pole pieces at both sides of the anode cylinder, a cathode unit having a filament spaced apart from the vanes, and an output unit having an antenna lead connected to one vane to radiate high-frequency microwaves. The first pole piece includes a first flat portion, a slope at an inner side of the first flat portion, a second flat portion at an inner side of the slope and having a diameter of 9.5˜10.5 mm, a first hole formed in the second flat portion and having a diameter of 8˜8.2 mm, and a second hole formed in the slope for penetration of the antenna lead. The magnetron achieves higher and stabilized efficiency, restricted oscillation efficiency variation, lower energy consumption, and improved load stability without deterioration of oscillation efficiency.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Chul Yang, Dang Won Kim, Hak Jae Kim, Ki Whan Kim
  • Publication number: 20170001467
    Abstract: The heating eraser for removing thermally changeable ink comprises a heating eraser unit that removes or changes a color by instantaneously applying heat at 50 to 65° C. as a color changing temperature range of a phase transition material selectively along a handwriting written or drawn by a writing instrument using the thermally changeable ink containing thermally changeable fine particles of 10 wt % to 70 wt % including a core portion containing the transition material including a phenol-based compound containing an aliphatic functional group having carbon atoms of 6 or more and a shell layer covering the core portion and made of a polymer resin on a substrate.
    Type: Application
    Filed: June 23, 2016
    Publication date: January 5, 2017
    Inventor: Hak Jae KIM
  • Publication number: 20160376457
    Abstract: The present invention relates to thermochromic micro particles capable of stably implementing a high chromogenic property and a decolorization property and having an improved erasing property, thermal resistance, and chemical resistance, and a thermochromic ink composition, a writing apparatus, and a smart window using the same. The thermochromic micro particles comprise a core part including a phase change material and a dye, the phase change material including a phenol-based compound containing an aliphatic functional group having a carbon number of 6 or more; and a shell layer including a polymer resin.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 29, 2016
    Inventor: Hak Jae KIM
  • Publication number: 20160376458
    Abstract: The present invention relates to thermochromic micro particles capable of stably implementing a high chromogenic property and a decolorization property and having an improved erasing property, thermal resistance, and chemical resistance, and a thermochromic ink composition, a writing apparatus, and a smart window using the same. The thermochromic micro particles comprise a core part including a phase change material, a dye, and a developer, the phase change material including at least one selected from the group consisting of at least one chain hydrocarbon having a carbon number of 8 or more, a hydrated inorganic salt, alcohol having a carbon number of 3 or more, and polyalkyleneglycol; and a shell layer including a polymer resin.
    Type: Application
    Filed: June 22, 2016
    Publication date: December 29, 2016
    Inventor: Hak Jae KIM
  • Patent number: 9313373
    Abstract: A display apparatus for receiving broadcasting includes a display unit configured to display an image thereon, a cover which partially covers the display unit, at least one signal connector which is configured to connect to a portable signal processing module that is located outside the cover and processes a signal to be displayed by the display unit, and receives the signal processed by the signal processing module, and a timing controller (T-con) configured to control a display timing of the signal received by the at least one signal connector.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: April 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-yong Son, Ho-woong Kang, Hak-jae Kim, Woo-jung Kim, Jae-hyo Lim
  • Patent number: 9228162
    Abstract: The present invention relates to a transparent solid cleaning agent that is convenient to carry because it has solid pen shape, and has no concern of contents flowing because it is a solid. According to one aspect of the invention, a transparent solid cleaning agent comprising 10 to 70 wt % of gel forming material including alkali metal salt or ammonium salt of C8-36 aliphatic carboxylic acid, 2 to 30 wt % of a transparency agent, 2 to 30 wt % of a subsidiary transparency agent, 0.1 to 10 wt % of orange oil, and 0.5 to 20 wt % of anionic surfactant is provided. The transparent solid cleaning agent according to the present invention is convenient to carry because it has a solid pen shape, has no concern of contents flowing because it is a solid, prevents collapse or bending, and has an excellent sense of beauty because the contents are transparent.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: January 5, 2016
    Assignee: DONG-A TEACHING MATERIALS CO., LTD.
    Inventors: Hak Jae Kim, Han Shin Jung
  • Patent number: 9201675
    Abstract: Disclosed herein are a Desktop As A Service (DaaS) manager and DaaS client for a DaaS system. The DaaS manager includes a connection broker module, a provisioning module, a management module, and a web server module. The connection broker module permits connections to a DaaS client and a DaaS server to a user who has performed user authentication. The provisioning module determines the operating status of the DaaS server, and assigns a virtual machine of an optimum DaaS server to the DaaS client. The management module monitors the operating status of the DaaS server and the virtual machine, and executes a control command of the DaaS server. The web server module provides a web-based management tool Graphic User Interface (GUI) to the user.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: December 1, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Won Kim, Sun-Wook Kim, Hak-Jae Kim, Seong-Woon Kim
  • Patent number: 9179135
    Abstract: A display apparatus and a method for controlling thereof are provided.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hak-jae Kim, Hoon Choi, Seung-su Lee, Kyung-mi Ha, Ui-hyun Kim, Kwang-min Lee
  • Patent number: 9109298
    Abstract: Provided is a new-concept crystal growing ornament that may change in size due to a recrystallization phenomenon by supplying a growth liquid, thereby reducing repugnance or an artificial impression and arousing curiosity or interest. The crystal growing ornament includes a basic material made of a porous material and formed in a predetermined shape; a growth liquid formed to be absorbed into the basic material and evaporating after being absorbed into the basic material to generate a recrystallization phenomenon; a growth liquid supply unit connected to the basic material and formed to supply the growth liquid to the basic material after receiving the growth liquid; and a crystal growing body integrally formed outside the basic material due to the recrystallization phenomenon of the growth liquid.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: August 18, 2015
    Assignee: DONG-A TEACHING MATERIALS CO., LTD.
    Inventors: Hak-Jae Kim, Han-Shin Jung
  • Patent number: 9106786
    Abstract: An Ethernet-based image transmitting/receiving system including a image transmitting device configured to generate and transmit a packet including at least one multiplexed signal of a luminance signal and a chrominance signal; an image receiving device configured to receive the packet, extract the luminance signal and the chrominance signal from the multiplexed signal of the packet, store the luminance signal and the chrominance signal, and output the luminance signal and the chrominance signal by synchronizing lines with each other based on the synchronization information; and an Ethernet cable configured to connect the image transmitting device to the image receiving device and transmit the packet.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG TECHWIN CO., LTD.
    Inventor: Hak-jae Kim
  • Patent number: 9074068
    Abstract: A bar type clay member for craft includes a body formed by heating and melting 50 wt % to 80 wt % of wax, adding 10 wt % to 40 wt % of body pigment and 1 wt % to 10 wt % of a colorant to the melted wax, and then melting and dispersing the body pigment and colorant in the wax, wherein the body has a thickness ranging from 0.3 mm to 10 mm and has a bar-like shape.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: July 7, 2015
    Assignee: DONG-A TEACHING MATERIALS CO., LTD.
    Inventors: Hak-Jae Kim, Han-Shin Jung, Ji Eun Lee