Patents by Inventor Keun-Nam Kim

Keun-Nam 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).

  • Patent number: 11905317
    Abstract: The present invention relates to a bee venom-purifying method comprising a virus clearance process and a composition for preventing or treating inflammatory disease by using same, the method comprising the steps of: (a) preparing a bee venom solution containing bee venom; (b) adjusting the pH of the bee venom solution prepared in step (a) into 2.0 to 4.0 by acid treatment to primarily deactivate viruses; and (c) filtering the pH-adjusted bee venom solution of step (b) through a nanofilter of 10 to 20 nm to secondarily remove viruses.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: February 20, 2024
    Assignee: UBIO INC.
    Inventors: Keun Nam Kim, Gun Won Bae, Jee Sun Hwang, Sun Myung Yoon
  • Publication number: 20230371243
    Abstract: A semiconductor memory device includes a peripheral gate structure disposed on a substrate, a bit line disposed on the peripheral gate structure and extending in a first direction, a shielding structure disposed adjacent to the bit line on the peripheral gate structure and extending in the first direction, a first word line disposed on the bit line and the shielding structure and extending in a second direction, a second word line disposed on the bit line and the shielding structure, extending in the second direction, and spaced apart from the first word line in the first direction, first and second active patterns disposed on the bit line and disposed between the first and second word lines, and contact patterns connected to the first and second active patterns.
    Type: Application
    Filed: January 26, 2023
    Publication date: November 16, 2023
    Inventors: Ki Seok LEE, Keun Nam KIM, Seok Han PARK
  • Patent number: 11696436
    Abstract: A includes an element isolation region, a first active region bounded by the element isolation region and that extends in a first direction and includes first and second parts disposed at a first level, and a third part disposed at a second level located above the first level, and a gate electrode disposed inside each of the element isolation region and the first active region and that extends in a second direction different from the first direction. The second part is spaced apart in the first direction from the first part, and the third part contacts each of the first and second parts. A first width in the second direction of the first part is less than a second width in the second direction of the third part.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki Seok Lee, Jae Hyun Yoon, Kyu Jin Kim, Keun Nam Kim, Hui-Jung Kim, Kyu Hyun Lee, Sang-Il Han, Sung Hee Han, Yoo Sang Hwang
  • Patent number: 11594538
    Abstract: A semiconductor device includes a device isolation layer defining first and second active regions, a buried contact connected to the second active region, and first and second bit line structures disposed on the first and second active regions. Each of the first and second bit line structures comprises a bit line contact part and a bit line pass part. The bit line contact part is electrically connected to the first active region. The bit line pass part is disposed on the device isolation layer. A height of a lowest part of the buried contact is smaller than a height of a lowest part of the bit line pass part. The height of the lowest part of the buried contact is greater than a height of a lowest part of the bit line contact part. A lower end of the bit line pass part is buried in the second active region.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Ho Lee, Eun A Kim, Ki Seok Lee, Jay-Bok Choi, Keun Nam Kim, Yong Seok Ahn, Jin-Hwan Chun, Sang Yeon Han, Sung Hee Han, Seung Uk Han, Yoo Sang Hwang
  • Patent number: 11468919
    Abstract: A semiconductor device is provided. The semiconductor device includes a substrate a bit line structure disposed on the substrate, a trench adjacent to at least one side of the bit line structure, a storage contact structure disposed within the trench, and comprising a storage contact, a silicide layer, and a storage pad which are stacked sequentially. A spacer structure is disposed between the bit line structure and the storage contact structure.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Jin Park, Won Seok Yoo, Keun Nam Kim, Hyo-Sub Kim, So Hyun Park, In Kyoung Heo, Yoo Sang Hwang
  • Patent number: 11342331
    Abstract: A semiconductor device is provided including a substrate including a trench. A first conductive pattern is disposed within the trench. The first conductive pattern has a width smaller than a width of the trench. A first spacer extends along at least a portion of a side surface of the first conductive pattern and the trench. A second spacer at least partially fills the trench adjacent to the first spacer. An air spacer is provided including a first portion between the first spacer and the second spacer, and a second portion disposed on the second spacer and the first portion. A width of the second portion of the air spacer is greater than a width of the first portion of the air spacer.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun Nam Kim, Jin-Hwan Chun, Yoo Sang Hwang
  • Publication number: 20220024997
    Abstract: The present invention relates to a bee venom-purifying method comprising a virus clearance process and a composition for preventing or treating inflammatory disease by using same, the method comprising the steps of: (a) preparing a bee venom solution containing bee venom; (b) adjusting the pH of the bee venom solution prepared in step (a) into 2.0 to 4.0 by acid treatment to primarily deactivate viruses; and (c) filtering the pH-adjusted bee venom solution of step (b) through a nanofilter of 10 to 20 nm to secondarily remove viruses.
    Type: Application
    Filed: December 5, 2019
    Publication date: January 27, 2022
    Applicant: UBIO INC.
    Inventors: Keun Nam KIM, Gun Won BAE, Jee Sun HWANG, Sun Myung YOON
  • Publication number: 20210408004
    Abstract: A semiconductor device includes a device isolation layer defining first and second active regions, a buried contact connected to the second active region, and first and second bit line structures disposed on the first and second active regions. Each of the first and second bit line structures comprises a bit line contact part and a bit line pass part. The bit line contact part is electrically connected to the first active region. The bit line pass part is disposed on the device isolation layer. A height of a lowest part of the buried contact is smaller than a height of a lowest part of the bit line pass part. The height of the lowest part of the buried contact is greater than a height of a lowest part of the bit line contact part. A lower end of the bit line pass part is buried in the second active region.
    Type: Application
    Filed: September 8, 2021
    Publication date: December 30, 2021
    Inventors: Sang Ho LEE, Eun A KIM, Ki Seok LEE, Jay-Bok CHOI, Keun Nam KIM, Yong Seok AHN, Jin-Hwan CHUN, Sang Yeon HAN, Sung Hee HAN, Seung Uk HAN, Yoo Sang HWANG
  • Patent number: 11121134
    Abstract: A semiconductor device includes a device isolation layer defining first and second active regions, a buried contact connected to the second active region, and first and second bit line structures disposed on the first and second active regions. Each of the first and second bit line structures comprises a bit line contact part and a bit line pass part. The bit line contact part is electrically connected to the first active region. The bit line pass part is disposed on the device isolation layer. A height of a lowest part of the buried contact is smaller than a height of a lowest part of the bit line pass part. The height of the lowest part of the buried contact is greater than a height of a lowest part of the bit line contact part. A lower end of the bit line pass part is buried in the second active region.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: September 14, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Ho Lee, Eun A Kim, Ki Seok Lee, Jay-Bok Choi, Keun Nam Kim, Yong Seok Ahn, Jin-Hwan Chun, Sang Yeon Han, Sung Hee Han, Seung Uk Han, Yoo Sang Hwang
  • Publication number: 20210257374
    Abstract: A includes an element isolation region, a first active region bounded by the element isolation region and that extends in a first direction and includes first and second parts disposed at a first level, and a third part disposed at a second level located above the first level, and a gate electrode disposed inside each of the element isolation region and the first active region and that extends in a second direction different from the first direction. The second part is spaced apart in the first direction from the first part, and the third part contacts each of the first and second parts. A first width in the second direction of the first part is less than a second width in the second direction of the third part.
    Type: Application
    Filed: September 28, 2020
    Publication date: August 19, 2021
    Inventors: KI SEOK LEE, Jae Hyun YOON, Kyu Jin KIM, Keun Nam KIM, Hui-Jung KIM, Kyu Hyun LEE, SANG-IL HAN, Sung Hee HAN, Yoo Sang HWANG
  • Publication number: 20210098460
    Abstract: A semiconductor device includes a device isolation layer defining first and second active regions, a buried contact connected to the second active region, and first and second bit line structures disposed on the first and second active regions. Each of the first and second bit line structures comprises a bit line contact part and a bit line pass part. The bit line contact part is electrically connected to the first active region. The bit line pass part is disposed on the device isolation layer. A height of a lowest part of the buried contact is smaller than a height of a lowest part of the bit line pass part. The height of the lowest part of the buried contact is greater than a height of a lowest part of the bit line contact part. A lower end of the bit line pass part is buried in the second active region.
    Type: Application
    Filed: April 28, 2020
    Publication date: April 1, 2021
    Inventors: Sang Ho LEE, Eun A KIM, Ki Seok LEE, Jay-Bok CHOI, Keun Nam KIM, Yong Seok AHN, Jin-Hwan CHUN, Sang Yeon HAN, Sung Hee HAN, Seung Uk HAN, Yoo Sang HWANG
  • Publication number: 20210035613
    Abstract: A semiconductor device is provided. The semiconductor device includes a substrate a bit line structure disposed on the substrate, a trench adjacent to at least one side of the bit line structure, a storage contact structure disposed within the trench, and comprising a storage contact, a silicide layer, and a storage pad which are stacked sequentially. A spacer structure is disposed between the bit line structure and the storage contact structure.
    Type: Application
    Filed: April 7, 2020
    Publication date: February 4, 2021
    Inventors: Tae Jin PARK, Won Seok Yoo, Keun Nam Kim, Hyo-Sub Kim, So Hyun Park, In Kyoung Heo, Yoo Sang Hwang
  • Patent number: 10910382
    Abstract: A method for fabricating a semiconductor device includes stacking a first mold layer and a first supporter layer, forming a first supporter pattern by etching the first supporter layer to expose the first mold layer, forming an insulating layer to cover the exposed first mold layer and the first supporter pattern, stacking a second mold layer and a second supporter layer on the insulating layer, forming a contact hole by dry-etching the second supporter layer, the second mold layer, the insulating layer, the first supporter pattern, and the first mold layer, forming a lower electrode within the contact hole, removing the first mold layer, the second mold layer, and the insulating layer, and forming an upper electrode on the lower electrode and the first supporter pattern, wherein, during the dry-etching, dry etching rates of the first supporter pattern and the insulating layer are the same.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hui-Jung Kim, Keun Nam Kim, Yoo Sang Hwang
  • Patent number: 10886167
    Abstract: A semiconductor device includes: a substrate having active regions defined by a device isolation region; a conductive line extending in a direction on the active regions; insulating liners on both sidewalls of a lower portion of the conductive line that contacts with the active regions; spacers that are apart from the insulating liners in a direction perpendicular to a surface of the substrate and sequentially formed on both sidewalls of an upper portion of the conductive line; a blocking layer arranged at a spacing between a spacer located in the middle of the spacers and the insulating liners and in a recess portion recessed from one end of the spacer located in the middle of the spacers toward the conductive line; and conductive patterns arranged on the active regions on both sides of the spacers.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: January 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-hwan Chun, Hui-jung Kim, Keun-nam Kim, Sung-hee Han, Yoo-sang Hwang
  • Publication number: 20200395363
    Abstract: A semiconductor device is provided including a substrate including a trench. A first conductive pattern is disposed within the trench. The first conductive pattern has a width smaller than a width of the trench. A first spacer extends along at least a portion of a side surface of the first conductive pattern and the trench. A second spacer at least partially fills the trench adjacent to the first spacer. An air spacer is provided including a first portion between the first spacer and the second spacer, and a second portion disposed on the second spacer and the first portion. A width of the second portion of the air spacer is greater than a width of the first portion of the air spacer.
    Type: Application
    Filed: June 3, 2020
    Publication date: December 17, 2020
    Inventors: Keun Nam KIM, Jin-Hwan CHUN, Yoo Sang HWANG
  • Publication number: 20200203148
    Abstract: A method for fabricating a semiconductor device includes stacking a first mold layer and a first supporter layer, forming a first supporter pattern by etching the first supporter layer to expose the first mold layer, forming an insulating layer to cover the exposed first mold layer and the first supporter pattern, stacking a second mold layer and a second supporter layer on the insulating layer, forming a contact hole by dry-etching the second supporter layer, the second mold layer, the insulating layer, the first supporter pattern, and the first mold layer, forming a lower electrode within the contact hole, removing the first mold layer, the second mold layer, and the insulating layer, and forming an upper electrode on the lower electrode and the first supporter pattern, wherein, during the dry-etching, dry etching rates of the first supporter pattern and the insulating layer are the same.
    Type: Application
    Filed: October 23, 2019
    Publication date: June 25, 2020
    Inventors: Hui-Jung KIM, Keun Nam KIM, Yoo Sang HWANG
  • Publication number: 20200035541
    Abstract: A semiconductor device includes: a substrate having active regions defined by a device isolation region; a conductive line extending in a direction on the active regions; insulating liners on both sidewalls of a lower portion of the conductive line that contacts with the active regions; spacers that are apart from the insulating liners in a direction perpendicular to a surface of the substrate and sequentially formed on both sidewalls of an upper portion of the conductive line; a blocking layer arranged at a spacing between a spacer located in the middle of the spacers and the insulating liners and in a recess portion recessed from one end of the spacer located in the middle of the spacers toward the conductive line; and conductive patterns arranged on the active regions on both sides of the spacers.
    Type: Application
    Filed: January 28, 2019
    Publication date: January 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-hwan Chun, Hui-jung KIM, Keun-nam KIM, Sung-hee HAN, Yoo-sang HWANG
  • Patent number: 9893190
    Abstract: A fin field effect transistor (fin FET) is formed using a bulk silicon substrate and sufficiently guarantees a top channel length formed under a gate, by forming a recess having a predetermined depth in a fin active region and then by forming the gate in an upper part of the recess. A device isolation film is formed to define a non-active region and a fin active region in a predetermined region of the substrate. In a portion of the device isolation film a first recess is formed, and in a portion of the fin active region a second recess having a depth shallower than the first recess is formed. A gate insulation layer is formed within the second recess, and a gate is formed in an upper part of the second recess. A source/drain region is formed in the fin active region of both sides of a gate electrode.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: February 13, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-Nam Kim, Hung-Mo Yang, Choong-Ho Lee
  • Publication number: 20170229581
    Abstract: A fin field effect transistor (fin FET) is formed using a bulk silicon substrate and sufficiently guarantees a top channel length formed under a gate, by forming a recess having a predetermined depth in a fin active region and then by forming the gate in an upper part of the recess. A device isolation film is formed to define a non-active region and a fin active region in a predetermined region of the substrate. In a portion of the device isolation film a first recess is formed, and in a portion of the fin active region a second recess having a depth shallower than the first recess is formed. A gate insulation layer is formed within the second recess, and a gate is formed in an upper part of the second recess. A source/drain region is formed in the fin active region of both sides of a gate electrode.
    Type: Application
    Filed: April 24, 2017
    Publication date: August 10, 2017
    Inventors: Keun-Nam Kim, Hung-Mo YANG, Choong-Ho LEE
  • Patent number: 9640665
    Abstract: A fin field effect transistor (fin FET) is formed using a bulk silicon substrate and sufficiently guarantees a top channel length formed under a gate, by forming a recess having a predetermined depth in a fin active region and then by forming the gate in an upper part of the recess. A device isolation film is formed to define a non-active region and a fin active region in a predetermined region of the substrate. In a portion of the device isolation film a first recess is formed, and in a portion of the fin active region a second recess having a depth shallower than the first recess is formed. A gate insulation layer is formed within the second recess, and a gate is formed in an upper part of the second recess. A source/drain region is formed in the fin active region of both sides of a gate electrode.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: May 2, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-Nam Kim, Hung-Mo Yang, Choong-Ho Lee