Patents by Inventor Joo-Seung Maeng

Joo-Seung Maeng 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: 11605889
    Abstract: Proposed is a combo antenna module which laminates a loop coil and an antenna sheet to configure a combo antenna, thereby preventing the degree of design freedom from being lowered and minimizing the manufacturing cost. The proposed combo antenna module includes a magnetic sheet, a loop coil disposed on the upper surface of the magnetic sheet, and an antenna sheet having the area smaller than that of the magnetic sheet, and disposed on the upper surface of the magnetic sheet, in which the antenna sheet overlaps a part of the loop coil.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: March 14, 2023
    Assignee: AMOTECH CO., LTD.
    Inventors: Hyung Il Baek, Joo Seung Maeng, Ki Sang Lim, Seong Hyun Kim, Eui Jin Jeong, Du Hyun Song, Kil Jae Jang, Ki-Chul Kim, Jin Won Noh
  • Patent number: 11251527
    Abstract: Provided is an antenna module in which magnetic sheets are disposed on one surface and the other surface of an antenna sheet having a plurality of radiation patterns formed thereon, and an overlapping area between the magnetic sheets is formed to maximize antenna performance for electronic payment, short-range communication, and wireless charging. The provided antenna module comprises: the antenna sheet having radiation patterns formed thereon; a first magnetic sheet disposed on one side of the antenna sheet; and a second magnetic sheet disposed on the other side of the antenna sheet, wherein the first magnetic sheet and the second magnetic sheet form an overlapping area.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: February 15, 2022
    Assignee: AMOTECH CO., LTD.
    Inventors: Jin Won Noh, Hyung Il Baek, Joo-Seung Maeng, Ki Sang Lim, Seong Hyun Kim, Chung Ha Back, Eui Jin Jeong, Du Hyun Song
  • Patent number: 11171420
    Abstract: Provided is an antenna module which can minimize the resistance of a radiation pattern by forming the radiation pattern on both surfaces or on a single surface in accordance with a relative position to an insertion hole in which a magnetic sheet is inserted and whether to overlap the magnetic sheet. The provided antenna module includes a radiation pattern is formed on both surfaces of the flexible sheet at a part of regions and is formed on a single surface of the flexible sheet at a remaining part.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: November 9, 2021
    Assignee: AMOTECH CO., LTD.
    Inventors: Joo-Seung Maeng, Jin-Won Noh, Eui-Jin Jung, Kil-Jae Jang
  • Publication number: 20210280976
    Abstract: Proposed is a combo antenna module which laminates a loop coil and an antenna sheet to configure a combo antenna, thereby preventing the degree of design freedom from being lowered and minimizing the manufacturing cost. The proposed combo antenna module includes a magnetic sheet, a loop coil disposed on the upper surface of the magnetic sheet, and an antenna sheet having the area smaller than that of the magnetic sheet, and disposed on the upper surface of the magnetic sheet, in which the antenna sheet overlaps a part of the loop coil.
    Type: Application
    Filed: July 5, 2019
    Publication date: September 9, 2021
    Applicant: AMOTECH CO., LTD.
    Inventors: Hyung Il BAEK, Joo Seung MAENG, Ki Sang LIM, Seong Hyun KIM, Eui Jin JEONG, Du Hyun SONG, Kil Jae JANG, Ki-Chul KIM, Jin Won NOH
  • Publication number: 20210184354
    Abstract: Provided is an antenna module in which magnetic sheets are disposed on one surface and the other surface of an antenna sheet having a plurality of radiation patterns formed thereon, and an overlapping area between the magnetic sheets is formed to maximize antenna performance for electronic payment, short-range communication, and wireless charging. The provided antenna module comprises: the antenna sheet having radiation patterns formed thereon; a first magnetic sheet disposed on one side of the antenna sheet; and a second magnetic sheet disposed on the other side of the antenna sheet, wherein the first magnetic sheet and the second magnetic sheet form an overlapping area.
    Type: Application
    Filed: October 31, 2018
    Publication date: June 17, 2021
    Applicant: AMOTECH CO., LTD.
    Inventors: Jin Won NOH, Hyung Il BAEK, Joo-Seung MAENG, Ki Sang LIM, Seong Hyun KIM, Chung Ha BACK, Eui Jin JEONG, Du Hyun SONG
  • Patent number: 10691995
    Abstract: Disclosed is an antenna module, which forms a radiation pattern for near-field communication and a radiation pattern for electronic payment on a flexible printed circuit board, and then couples it with a magnetic sheet, thereby implementing the performance equal to or superior to that of a conventional antenna module while simplifying the manufacturing process. The disclosed antenna module includes a flexible magnetic sheet and an antenna sheet on which a radiation pattern and an insertion hole are formed, and the magnetic sheet is formed with an extension portion formed on one short side, and the extension portion is penetrated and inserted into the insertion hole to be coupled with the antenna sheet.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 23, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Joo-Seung Maeng, Jin-Won Noh, Eui-Jin Jung, Kil-Jae Jang
  • Patent number: 10680313
    Abstract: The present disclosure relates to an antenna module performing near field communication such as NFC and MST, and disclosed is a stacked antenna module that interposes an electromagnetic wave shielding sheet between a lower stacked flexible sheet and an upper stacked flexible sheet in order to implement performance that is equal to or better than that of the conventional antenna upon mounting on a portable terminal composed of a metal material cover, and implements an antenna pattern that winds an electromagnetic wave shielding sheet in the vertical direction thereof by connecting a first radiation pattern and a second radiation pattern formed on the lower stacked flexible sheet and the upper stacked flexible sheet, respectively, through a connector that penetrates the electromagnetic wave shielding sheet.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: June 9, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Joo-Seung Maeng, Ki-Sang Lim, Jin-Won Noh, Hyung-Il Baek, Beom-Jin Kim, Yong-Ho Hwang
  • Publication number: 20200127377
    Abstract: Provided is an antenna module which can minimize the resistance of a radiation pattern by forming the radiation pattern on both surfaces or on a single surface in accordance with a relative position to an insertion hole in which a magnetic sheet is inserted and whether to overlap the magnetic sheet. The provided antenna module includes a radiation pattern is formed on both surfaces of the flexible sheet at a part of regions and is formed on a single surface of the flexible sheet at a remaining part.
    Type: Application
    Filed: November 16, 2017
    Publication date: April 23, 2020
    Inventors: Joo-Seung MAENG, Jin-Won NOH, Eui-Jin JUNG, Kil-Jae JANG
  • Publication number: 20190236433
    Abstract: Disclosed is an antenna module, which forms a radiation pattern for near-field communication and a radiation pattern for electronic payment on a flexible printed circuit board, and then couples it with a magnetic sheet, thereby implementing the performance equal to or superior to that of a conventional antenna module while simplifying the manufacturing process. The disclosed antenna module includes a flexible magnetic sheet and an antenna sheet on which a radiation pattern and an insertion hole are formed, and the magnetic sheet is formed with an extension portion formed on one short side, and the extension portion is penetrated and inserted into the insertion hole to be coupled with the antenna sheet.
    Type: Application
    Filed: September 22, 2017
    Publication date: August 1, 2019
    Inventors: Joo-Seung MAENG, Jin-Won NOH, Eui-Jin JUNG, Kil-Jae JANG
  • Publication number: 20190020101
    Abstract: The present disclosure relates to an antenna module performing near field communication such as NFC and MST, and disclosed is a stacked antenna module that interposes an electromagnetic wave shielding sheet between a lower stacked flexible sheet and an upper stacked flexible sheet in order to implement performance that is equal to or better than that of the conventional antenna upon mounting on a portable terminal composed of a metal material cover, and implements an antenna pattern that winds an electromagnetic wave shielding sheet in the vertical direction thereof by connecting a first radiation pattern and a second radiation pattern formed on the lower stacked flexible sheet and the upper stacked flexible sheet, respectively, through a connector that penetrates the electromagnetic wave shielding sheet.
    Type: Application
    Filed: January 6, 2017
    Publication date: January 17, 2019
    Applicant: Amotech Co., Ltd.
    Inventors: Joo-Seung MAENG, Ki-Sang LIM, Jin-Won NOH, Hyung-Il BAEK, Beom-Jin KIM, Yong-Ho HWANG
  • Patent number: 9774080
    Abstract: The present invention relates to an electromagnetic wave shielding sheet for an antenna, to a method for manufacturing same, to an antenna comprising same, and to a battery pack for a portable terminal having said antenna. The method for manufacturing the electromagnetic wave shielding sheet for the antenna may reduce a frequency variation, provide a heat-dissipating function, and prevent peel-off. The method comprises: a step of preparing a ferrite sheet; and step of placing a heat-dissipating layer on one side of the ferrite sheet. The present invention has advantages in that the adhesive forces of the ferrite sheet and the heat-dissipating layer are excellent and the heat-dissipating effects are excellent, the electromagnetic wave shielding sheet can be applied to various antenna products, and the frequency variation can be reduced when the antenna having the electromagnetic wave shielding sheet is mounted on the battery pack.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: September 26, 2017
    Assignee: AMOTECH CO., LTD.
    Inventors: Hyung-Il Baek, Joo-Seung Maeng, Seung-Chul Lee, Beom-Jin Kim
  • Publication number: 20160028154
    Abstract: The present invention relates to an electromagnetic wave shielding sheet for an antenna, to a method for manufacturing same, to an antenna comprising same, and to a battery pack for a portable terminal having said antenna. The method for manufacturing the electromagnetic wave shielding sheet for the antenna may reduce a frequency variation, provide a heat-dissipating function, and prevent peel-off. The method comprises: a step of preparing a ferrite sheet; and step of placing a heat-dissipating layer on one side of the ferrite sheet. The present invention has advantages in that the adhesive forces of the ferrite sheet and the heat-dissipating layer are excellent and the heat-dissipating effects are excellent, the electromagnetic wave shielding sheet can be applied to various antenna products, and the frequency variation can be reduced when the antenna having the electromagnetic wave shielding sheet is mounted on the battery pack.
    Type: Application
    Filed: October 11, 2013
    Publication date: January 28, 2016
    Inventors: Hyung-II Baek, Joo-Seung Maeng, Seung-Chul Lee, Beom-Jin Kim