Patents by Inventor Kyung Joon Lee

Kyung Joon Lee 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: 11330836
    Abstract: A lyocell material for a cigarette filter and a method of manufacturing the same are disclose. The lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to obtain a crimped tow.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: May 17, 2022
    Inventors: Jong Cheol Jeong, Woo Chul Kim, Sang Woo Jin, Burm Ho Yang, Man Seok Seo, Kyung Joon Lee, Hyun Suk Cho, Jong Yeol Kim
  • Patent number: 11121735
    Abstract: The present invention relates to a protective case for foldable mobile device which has a first portion, a second portion, and a joining portion wherein the joining portion connects the first portion and the second portion, comprising: a first case for protecting the first portion of the foldable mobile device installed therein; a connecting portion for covering the joining portion and fixedly attached to the first case; and a second case for protecting the second portion of the foldable mobile device installed therein wherein the second case includes a second outer frame. The second outer frame comprises a recess to receive the connecting portion wherein the connecting portion slidably moves in the recess, and the second case further comprises a recess cover for covering the recess.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: September 14, 2021
    Assignee: SPIGEN KOREA CO., LTD.
    Inventors: Dae-Young Kim, Jae Hong Cho, Sun Woo Yun, Jong Hwa Lee, Kyung Joon Lee, Gang Il Park
  • Patent number: 10917131
    Abstract: A case for an electronic device including a soft protective cover having a back panel to cover a back portion of the electronic device, side walls extending from the back panel to cover side portions of the electronic device, and an upper ledge; and a hard protective frame having a disconnected side and two facing sides. The disconnected side includes a first end portion and a second end portion. Each of the first and second end portions includes a first side and a second side; the second side tapers towards the upper ledge.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: February 9, 2021
    Assignee: SPIGEN KOREA CO., LTD.
    Inventors: Bum Joon Lee, Seung Joo Kim, Nam Heui Jung, Kyung Joon Lee, Gang Il Park, Sun Woo Yun, Soo Ha Jung
  • Publication number: 20200412401
    Abstract: The present invention relates to a protective case for foldable mobile device which has a first portion, a second portion, and a joining portion wherein the joining portion connects the first portion and the second portion, comprising: a first case for protecting the first portion of the foldable mobile device installed therein; a connecting portion for covering the joining portion and fixedly attached to the first case; and a second case for protecting the second portion of the foldable mobile device installed therein wherein the second case includes a second outer frame. The second outer frame comprises a recess to receive the connecting portion wherein the connecting portion slidably moves in the recess, and the second case further comprises a recess cover for covering the recess.
    Type: Application
    Filed: October 30, 2019
    Publication date: December 31, 2020
    Inventors: Dae-Young KIM, Jae Hong CHO, Sun Woo YUN, Jong Hwa LEE, Kyung Joon LEE, Gang Il PARK
  • Publication number: 20200195294
    Abstract: A case for an electronic device including a soft protective cover having a back panel to cover a back portion of the electronic device, side walls extending from the back panel to cover side portions of the electronic device, and an upper ledge; and a hard protective frame having a disconnected side and two facing sides. The disconnected side includes a first end portion and a second end portion. Each of the first and second end portions includes a first side and a second side; the second side tapers towards the upper ledge.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Inventors: BUM JOON LEE, SEUNG JOO KIM, NAM HEUI JUNG, KYUNG JOON LEE, GANG IL PARK, SUN WOO YUN, SOO HA JUNG
  • Publication number: 20200085094
    Abstract: A lyocell material for a cigarette filter and a method of manufacturing the same are disclose. The lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to obtain a crimped tow.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Applicants: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol JEONG, Woo Chul KIM, Sang Woo JIN, Burm Ho YANG, Man Seok SEO, Kyung Joon LEE, Hyun Suk CHO, Jong Yeol KIM
  • Patent number: 10594353
    Abstract: A case for an electronic device includes: a soft protective cover having a back panel to cover a back portion of the electronic device and side walls extending from the back panel to cover side portions of the electronic device; a hard protective frame, constructed to removably mount on the soft protective cover and wrapping around the side walls of the soft protective cover. The hard protective frame comprises a disconnected side and two facing sides. The disconnected side is disconnected and has a first end portion and a second end portion; and a first mating means formed on the first and second end portions of the hard protective frame and corresponding portions of the side wall of the soft protective cover.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 17, 2020
    Assignee: Spigen Korea CO., LTD.
    Inventors: Bum Joon Lee, Seung Joo Kim, Nam Heui Jung, Kyung Joon Lee, Gang Il Park, Sun Woo Yun, Soo Ha Jung
  • Patent number: 10517325
    Abstract: This invention relates to a lyocell material for a cigarette filter and a method of manufacturing the same, wherein the lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to thus obtain a crimped tow.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: December 31, 2019
    Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol Jeong, Woo Chul Kim, Sang Woo Jin, Burm Ho Yang, Man Seok Seo, Kyung Joon Lee, Hyun Suk Cho, Jong Yeol Kim
  • Publication number: 20180262227
    Abstract: A case for an electronic device includes: a soft protective cover having a back panel to cover a back portion of the electronic device and side walls extending from the back panel to cover side portions of the electronic device; a hard protective frame, constructed to removably mount on the soft protective cover and wrapping around the side walls of the soft protective cover. The hard protective frame comprises a disconnected side and two facing sides. The disconnected side is disconnected and has a first end portion and a second end portion; and a first mating means formed on the first and second end portions of the hard protective frame and corresponding portions of the side wall of the soft protective cover.
    Type: Application
    Filed: March 9, 2018
    Publication date: September 13, 2018
    Inventors: BUM JOON LEE, SEUNG JOO KIM, NAM HEUI JUNG, KYUNG JOON LEE, GANG IL PARK, SUN WOO YUN, SOO HA JUNG
  • Publication number: 20160286854
    Abstract: This invention relates to a lyocell material for a cigarette filter and a method of manufacturing the same, wherein the lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to thus obtain a crimped tow.
    Type: Application
    Filed: June 2, 2014
    Publication date: October 6, 2016
    Applicants: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol JEONG, Woo Chul KIM, Sang Woo JIN, Burm Ho YANG, Man Seok SEO, Kyung Joon LEE, Hyun Suk CHO, Jong Yeol KIM
  • Patent number: 9097829
    Abstract: A patterned light guide panel, a manufacturing method thereof, and a backlight unit including the patterned light guide panel, the patterned light guide panel including a base layer; and a skin layer stacked on the base layer, the skin layer having a lenticular pattern extending orthogonally to a light entrance plane of the light guide panel.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: August 4, 2015
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Jong Sun Park, Kyung Joon Lee, Bae Wook Lee, Sung Kook Kim
  • Publication number: 20140216320
    Abstract: The present invention relates to a ship with sinking prevention tanks and a method for manufacturing the same wherein the ship includes: tank-retaining parts formed on the port and starboard sides of the bottom of a hull; the sinking prevention tanks insertedly disposed in the tank-retaining parts and having gas charging parts formed thereon so as to charge helium gas thereinto; a blocking wall adapted to block the top sides of the tank-retaining parts in which the sinking prevention tanks are insertedly disposed; gas supply lines connected to the gas charging parts formed on the sinking prevention tanks; and charging valves disposed on the inner side of the deck of the hull in such a manner as to be connected to the gas supply lines and thus to recharge the helium gas to the interiors of the sinking prevention tanks through the gas charging parts.
    Type: Application
    Filed: February 6, 2013
    Publication date: August 7, 2014
    Inventor: Kyung Joon LEE
  • Publication number: 20130003415
    Abstract: A patterned light guide panel, a manufacturing method thereof, and a backlight unit including the patterned light guide panel, the patterned light guide panel including a base layer; and a skin layer stacked on the base layer, the skin layer having a lenticular pattern extending orthogonally to a light entrance plane of the light guide panel.
    Type: Application
    Filed: June 26, 2012
    Publication date: January 3, 2013
    Inventors: Jong Sun PARK, Kyung Joon LEE, Bae Wook LEE, Sung Kook KIM
  • Publication number: 20110290538
    Abstract: A connecting structure of PCB using an anisotropic conductive film according to the present invention having members connected to each other by heat-compression using the anisotropic conductive film including an insulating adhesive as a base material and conductive particles dispersed in the insulating adhesive, wherein at least any one of the members has a flexible property, and a surface roughness value (Ra) of the member having a flexible property is 0.1 to 5.0 ?m due to dents formed by heat-compression.
    Type: Application
    Filed: June 2, 2011
    Publication date: December 1, 2011
    Applicant: LG INNOTEK CO. LTD.
    Inventors: Chul-Jong HAN, Yoon-Jae CHUNG, Jong-Yoon JANG, Jeong-Beom PARK, Yong-Seok HAN, Sung-Uk CHOI, Il-Rae CHO, Hyuk-Soo MOON, Kyung-Joon LEE
  • Patent number: 7993417
    Abstract: A connecting structure of PCB using an anisotropic conductive film according to the present invention having members connected to each other by heat-compression using the anisotropic conductive film including an insulating adhesive as a base material and conductive particles dispersed in the insulating adhesive, wherein at least any one of the members has a flexible property, and a surface roughness value (Ra) of the member having a flexible property is 0.1 to 5.0 ?m due to dents formed by heat-compression.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: August 9, 2011
    Assignee: LS Cable Ltd.
    Inventors: Chul-Jong Han, Yoon-Jae Chung, Jong-Yoon Jang, Jeong-Beom Park, Yong-Seok Han, Sung-Uk Choi, Il-Rae Cho, Hyuk-Soo Moon, Kyung-Joon Lee
  • Patent number: 7864266
    Abstract: A diffuser plate includes a first optical sheet having a rear surface configured to receive light from a light source and having a front surface configured to provide light to a second optical sheet, the first optical sheet having a refractive part that includes a plurality of optical members at a surface of the first optical sheet, and a second optical sheet disposed in front of the first optical sheet, the second optical sheet including a rear surface configured to receive light from the first optical sheet, a front surface configured to emit light, and light-scattering beads within the first optical sheet.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: January 4, 2011
    Assignee: Cheil Industries, Inc.
    Inventors: Kyung Joon Lee, Seung Man Choi, Man Suk Kim
  • Patent number: 7690820
    Abstract: An optical sheet includes a substrate having rear and front surfaces, a micro-lens-array on the front surface of the substrate, the micro-lens-array including a plurality of micro-lenses, a plurality of protrusions spaced apart from each other on the rear surface of the substrate, and an intercepting reflector layer on the protrusions.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: April 6, 2010
    Assignee: Cheil Industries, Inc.
    Inventors: Kyung Joon Lee, Seung Man Chio, Jee Hyun Yang, Jin Hyuk Kwon
  • Publication number: 20090128740
    Abstract: A diffuser plate includes a first optical sheet having a rear surface configured to receive light from a light source and having a front surface configured to provide light to a second optical sheet, the first optical sheet having a refractive part that includes a plurality of optical members at a surface of the first optical sheet, and a second optical sheet disposed in front of the first optical sheet, the second optical sheet including a rear surface configured to receive light from the first optical sheet, a front surface configured to emit light, and light-scattering beads within the first optical sheet.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 21, 2009
    Inventors: Kyung Joon Lee, Seung Man Choi, Man Suk Kim
  • Publication number: 20090128914
    Abstract: A diffuser plate includes a first optical sheet having a rear surface configured to receive light from a light source and having a front surface configured to provide light to a second optical sheet, the first optical sheet having a predetermined pattern formed by a plurality of transmissive regions and a plurality of reflective regions, and a second optical sheet disposed in front of the first optical sheet, the second optical sheet including a rear surface configured to receive light from the first optical sheet, a front surface configured to emit light, and lenticular lenses on the front surface of the second optical sheet.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 21, 2009
    Inventors: Kyung Joon Lee, Illia Borysov, Seung Man Choi, Man Suk Kim, Chul Goo Chi, Jae Han Kim
  • Publication number: 20090000807
    Abstract: A connecting structure of PCB using an anisotropic conductive film according to the present invention having members connected to each other by heat-compression using the anisotropic conductive film including an insulating adhesive as a base material and conductive particles dispersed in the insulating adhesive, wherein at least any one of the members has a flexible property, and a surface roughness value (Ra) of the member having a flexible property is 0.1 to 5.0 ?m due to dents formed by heat-compression.
    Type: Application
    Filed: January 22, 2007
    Publication date: January 1, 2009
    Inventors: Chul-Jong Han, Yoon-Jae Chung, Jong-Yoon Jang, Jeong-Beom Park, Yong-Seok Han, Sung-Uk Choi, Il-Rae Cho, Hyuk-Soo Moon, Kyung-Joon Lee