Patents by Inventor Jung-young CHO

Jung-young CHO 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).

  • Patent number: 10553949
    Abstract: A wireless communication antenna includes: a magnetic body including a plurality of bar-shaped unit ribbons arranged in columns, wherein the unit ribbons have shape anisotropy and a radiation direction on a side of the wireless communication antenna; and a solenoid coil including conductive patterns disposed around the magnetic body.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: February 4, 2020
    Assignee: WITS Co., Ltd.
    Inventors: Sung Nam Cho, Jung Young Cho, Jae Hyuk Jang, Chang Hak Choi, Jeong Ki Ryoo, Soon Kwang Kwon
  • Publication number: 20190372162
    Abstract: Disclose are an electrolyte composite for a lithium secondary battery having an improved output; a cathode including a protective film on its surface; and a lithium secondary battery comprising the same.
    Type: Application
    Filed: September 25, 2018
    Publication date: December 5, 2019
    Inventors: Yoon Sung Lee, KiSeok Koh, Jung Young Cho, Ikkyu Kim, Yeolmae Yeo, Seung-Min Oh, Sa Heum Kim, Sungmin Choi
  • Publication number: 20190305609
    Abstract: A magnetic sheet includes a magnetic layer, a heat radiation layer having a prominence and a depression formed in a surface and that faces the magnetic layer, and an adhesive layer disposed between the magnetic layer and the heat radiation layer, and including a heat radiation filler that has shape anisotropy.
    Type: Application
    Filed: October 18, 2018
    Publication date: October 3, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Doo Ho PARK, Jung Young CHO, San KYEONG, Sung Nam CHO, Ji Hyo LEE, Byeong Cheol MOON
  • Publication number: 20190259526
    Abstract: A coil component includes: a body having one surface and the other surface opposing each other in one direction; a coil portion including a coil pattern having at least one turn around the one direction, and embedded in the body; an external electrode disposed on the one surface of the body and connected to the coil portion; a shielding layer disposed on the other surface of the body; and an insulating layer disposed between the body and the shielding layer.
    Type: Application
    Filed: November 13, 2018
    Publication date: August 22, 2019
    Inventors: Tai Yon CHO, Tae Jun CHOI, Jung Young CHO, Chang Hak CHOI, Byeong Cheol MOON, Seung Hee OH
  • Publication number: 20190198237
    Abstract: A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.
    Type: Application
    Filed: September 20, 2018
    Publication date: June 27, 2019
    Inventors: Kang Ryong CHOI, Il Jin PARK, Jung Wook SEO, Jong Ok JEON, Won Sik CHONG, Woo Jin LEE, Jung Young CHO
  • Patent number: 10320221
    Abstract: A wireless power charging system includes a reception coil unit including an insulating layer, a first coil including a first body portion disposed as a spiral on one surface of the insulating layer and a first lead portion extending from one end of the first body portion and led out of the insulating layer, and a second coil including a second body portion formed on the other surface of the insulating layer and electrically connected to the other end of the first body portion through a via and a second lead portion extending from the second body portion and led out of the insulating layer. The second coil has a width larger than that of the first coil and has a thickness smaller than that of the first coil.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: June 11, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Min Lee, Jung Young Cho, Doo Ho Park
  • Publication number: 20190173183
    Abstract: A wireless communications antenna includes: a magnetic body including one or more slits formed therein; and a coil part having solenoid form and disposed around the magnetic body, wherein the one or more slits are configured such that the magnetic body is not disconnected and a magnetic path of the magnetic body is continuous.
    Type: Application
    Filed: June 19, 2018
    Publication date: June 6, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Jun CHOI, Jung Young CHO, Seung Hee OH, Sung Nam CHO, Chang Hak CHOI
  • Publication number: 20190131603
    Abstract: Provided are a method of manufacturing an all-solid battery and an all-solid battery manufactured by the method. The all-solid batter may have edge portions that can be more effectively insulated. In particular, the all-solid battery may include a cathode layer, an anode layer, and an electrolyte layer, a first insulator disposed at an edge of the cathode layer and a second insulator disposed between the cathode layer and the first insulator, thereby forming a membrane of the second insulator for preventing contact between the cathode layer and the anode layer in pressing.
    Type: Application
    Filed: December 4, 2017
    Publication date: May 2, 2019
    Inventors: Sang Jin Park, Jung Young Cho, Sung Min Choi, Shin Kook Kong
  • Publication number: 20190123422
    Abstract: An antenna device includes: a magnetic portion comprising a first surface and a second surface opposing the first surface; and a coil portion including a conductive wiring comprising a plurality of turns wound around the magnetic portion in a solenoid form, wherein in the coil portion, intervals between turns of the conductive wiring disposed on the first surface and intervals between turns of the conductive wiring disposed on the second surface are different from each other. Therefore, a recognition rate of the antenna device may be improved.
    Type: Application
    Filed: June 11, 2018
    Publication date: April 25, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Doo Ho PARK, San KYEONG, Tae Jun CHOI, Sung Nam CHO, Jung Young CHO, Chang Hak CHOI, Seung Hee OH
  • Publication number: 20190074128
    Abstract: A magnetic sheet includes a magnetic made of an Fe-based alloy, wherein the magnetic layer includes a first surface region and a second surface region opposing each other in a thickness direction of the magnetic layer, and an internal region disposed between the first surface region and the second surface region, and a crystallinity of the first surface region is higher than a crystallinity of the second surface region.
    Type: Application
    Filed: May 23, 2018
    Publication date: March 7, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seung Min LEE, Sang Kyun KWON, Jung Young CHO, Ji Hyo LEE
  • Patent number: 10147916
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, bent plural times in a direction in which it connects the electrode assembly and the outer lead to each other, and cut by expansion force of the pouch case.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: December 4, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho, Se Jung Oh, Hoi Suk Han
  • Patent number: 10109842
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, and cut by expansion force of the pouch case.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: October 23, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho
  • Publication number: 20180286575
    Abstract: A magnetic sheet includes a first region and a second region disposed adjacent to each other on a same surface, wherein the first region includes first crack lines formed in a first direction, and the second region includes second crack lines formed in a second direction.
    Type: Application
    Filed: October 26, 2017
    Publication date: October 4, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: San KYEONG, Doo Ho PARK, Jung Young CHO, Chang Hak CHOI
  • Publication number: 20180286574
    Abstract: A magnetic field shielding structure includes a magnetic layer and a resonance reactive shielding circuit including a capacitor and a conductor connected to the capacitor and having a loop form. At least a portion of the magnetic layer overlaps an area surrounded by the conductor in a thickness direction of the magnetic layer.
    Type: Application
    Filed: November 29, 2017
    Publication date: October 4, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seung Hee OH, Doo Ho PARK, Tae Jun CHOI, Sung Nam CHO, Chang Hak CHOI, Jung Young CHO
  • Publication number: 20180261919
    Abstract: A method of manufacturing a magnetic substance includes forming crack lines arranged in one direction on a magnetic sheet by crushing the magnetic sheet to divide the magnetic sheet by the crack lines; stacking the magnetic sheet with other magnetic sheets into layers; and press-processing the stacked magnetic sheets.
    Type: Application
    Filed: October 26, 2017
    Publication date: September 13, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Nam CHO, Dae Young HWANG, Jung Young CHO, Hyun Do PARK
  • Publication number: 20180240582
    Abstract: A magnetic sheet includes one or more magnetic layers formed of a metal ribbon, the metal ribbon includes fragments with metal oxide coating layers formed in spaces between the fragments.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 23, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Young CHO, Tai Yon CHO, Sung Nam CHO, Chang Hak CHOI, San KYEONG
  • Publication number: 20180218815
    Abstract: A magnetic sheet includes one or more magnetic layers formed of a metal, the magnetic layer includes first and second regions having different degrees of crystallinity from each other.
    Type: Application
    Filed: October 3, 2017
    Publication date: August 2, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Min LEE, Jung Young CHO, Chang Hak CHOI
  • Publication number: 20180204674
    Abstract: A wireless power transmission module includes a coil portion having a spiral form and including a hollow portion; and a magnetic portion including a coil accommodation portion in which the coil portion is disposed, the coil accommodation portion being formed as a hollow space in an upper surface of the magnetic portion, and having a bowl form having a greatest width at the upper surface of the magnetic portion; and a magnetic field concentration portion protruding upwardly from a central portion of the coil accommodation portion through the hollow portion of the coil portion.
    Type: Application
    Filed: September 14, 2017
    Publication date: July 19, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Young CHO, Tae Jun CHOI, Jeong Ki RYOO, Seung Min LEE, Chang Hak CHOI, Doo Ho PARK
  • Patent number: 10028420
    Abstract: A sheet for shielding against electromagnetic waves includes a first magnetic material having a plurality of through holes formed in a thickness direction, and a second magnetic material filling the plurality of through holes and blocking a frequency band different from that of electromagnetic waves blocked by the first magnetic material.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: July 17, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Young Cho, Doo Ho Park, Sung Nam Cho, Jung Wook Seo, Jong Ho Chung, Seung Hee Oh
  • Patent number: 10020671
    Abstract: A magnetic sheet for a wireless power charging system includes an electrode layer, first and second magnetic layers disposed on the electrode layer, and first and second adhesive layers disposed on the electrode layer. The first adhesive layer is disposed between the electrode layer and the first magnetic layer, and the second adhesive layer is disposed between the first and second magnetic layers. In one example, the first and second adhesive layers each include a plurality of core loss decreasing members, formed of at least one of an amorphous material, a ferrite material, and a synthetic material of amorphous and ferrite materials, dispersed therein. In another example, the first and second adhesive layers each include a plurality of magnetic saturation (Ms) reinforcing members, formed of at least one of a hetero-amorphous material, a nanocrystalline-amorphous material, and a synthetic material of hetero-amorphous and nanocrystalline-amorphous materials, dispersed therein.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Min Lee, Jong Ho Chung, Jung Young Cho