Patents by Inventor Joon-Seok Lee

Joon-Seok 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: 11320425
    Abstract: Disclosed is a diagnostic kit for quickly diagnosing a target material with high sensitivity using nanoparticles that absorb infrared light and emit infrared light, in which the nanoparticles are maintained in particle size and have enhanced emission intensity.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: May 3, 2022
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Joon Seok Lee, Seok Lee, Man Ho Choi, Hee Soo Pyo, Seung Ki Kim, Jae Young Kim
  • Publication number: 20220121843
    Abstract: An apparatus for document recognition according to an embodiment includes a document type analyzer that analyzes a type of a recognition target document based on document feature vector extracted from one or more partial images obtained by color space conversion of one or more partial regions of the recognition target document, and an information extractor that extracts value information from one or more information search images organized in a grid form based on a position of key information of the recognition target document.
    Type: Application
    Filed: January 14, 2021
    Publication date: April 21, 2022
    Inventors: Hyo Seob SONG, Jeong YOON, Joon Seok LEE, Soo Ah CHO
  • Patent number: 11286213
    Abstract: The present disclosure relates to a controlled-release fertilizer and, more particularly, to a controlled-release fertilizer comprising a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer; and a photocatalytic composite in which a surfactant having an HLB value of 1 to 6 is bonded to the surface or inside of aggregates of inorganic fine particles, and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: March 29, 2022
    Assignees: LG Chem, Ltd., FarmHannong Co., Ltd.
    Inventors: Chanjoong Kim, Sangryeo Lee, Joon Seok Lee, Yil Jang, Ji Yeon Kim, Jae Hoon Choe
  • Publication number: 20210300770
    Abstract: The present invention relates to a mesoporous film structure having ultra-large pores therein and a method of manufacturing the same. More particularly, the present invention relates to a mesoporous film structure having ultra-large pores therein and a method of manufacturing the same, in which a mesoporous film having ultra-large pores therein is formed on supports including various materials and having various shapes under chemically mild conditions. The size of the pores in the film is capable of being adjusted, and a patterned mesoporous structure is formed on the upper surface of the support rather than throughout the entire support.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 30, 2021
    Inventors: Joon Seok Lee, In Ae LEE, Hui Jin JUNG, Seok LEE, Deok Ha WOO
  • Publication number: 20210282640
    Abstract: A method for an image-based eye disease diagnosis according to an embodiment includes receiving a fundus image, determining whether the fundus image is a deep diagnosis target using a deep diagnosis target classification model, and determining whether the fundus image has a disease through a preset deep diagnosis process when a result of the determination shows that the fundus image is the deep diagnosis target, or determining whether the fundus image has a disease by applying the fundus image to a general diagnosis model when the result of the determination shows that the fundus image is not the deep diagnosis target.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 16, 2021
    Inventors: Su Jeong SONG, Ji Eun SONG, Joon Ho LEE, Joon Seok LEE, Soo Ah CHO
  • Publication number: 20210108997
    Abstract: The present disclosure relates to an apparatus and a method for analysis of a multi-layer adhesive film and provides the apparatus comprising a specimen tray unit; a blade unit; a liquid nitrogen supply unit; and a driving unit, and the method comprising a specimen fixing step; a specimen cooling step; a specimen pre-collection step; a specimen collection step; and a blade separation step.
    Type: Application
    Filed: July 10, 2020
    Publication date: April 15, 2021
    Inventors: So Yeon KIM, Rin JANG, Joon Seok LEE, Byoung Hyoun KIM, Bumgyu CHOI, Su Youn HAN
  • Publication number: 20210072203
    Abstract: The present invention relates to a dianhydride analysis method. The method can stably analyze a dianhydride which has high reactivity and low solubility. Furthermore, the method can minimize the problem that a reaction product disturbs an analysis result, thereby improving accuracy of the analysis result.
    Type: Application
    Filed: October 4, 2019
    Publication date: March 11, 2021
    Applicant: LG Chem, Ltd.
    Inventors: So Yeon Kim, Joon Seok Lee, Bumgyu Choi, Byoung Hyoun Kim
  • Publication number: 20210072200
    Abstract: The present invention relates to a dianhydride analysis method, which can reliably analyze a dianhydride having high reactivity and low solubility. In addition, the present invention can analyze the structure of impurities by separating the impurities on the basis of having a similar retention time in HPLC analysis, and can analyze the purity of the dianhydride with or without chromophores.
    Type: Application
    Filed: September 23, 2019
    Publication date: March 11, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Joon Seok Lee, So Yeon Kim, Bumgyu Choi, Byoung Hyoun Kim
  • Publication number: 20210040009
    Abstract: The present disclosure relates to a controlled-release fertilizer and, more particularly, to a controlled-release fertilizer including: a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer; and a photocatalytic composite in which a (meth)acrylate compound containing an alkylene glycol repeating unit having 1 to 10 carbon atoms is bonded to the surface or inside of aggregates of inorganic fine particles, and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Application
    Filed: March 18, 2019
    Publication date: February 11, 2021
    Inventors: Chanjoong Kim, Sangryeo Lee, Joon Seok Lee, Yil Jang, Ji Yeon Kim, Jae Hoon Choe
  • Publication number: 20210040008
    Abstract: The present disclosure relates to a controlled-release fertilizer and, more particularly, to a controlled-release fertilizer comprising a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer; and a photocatalytic composite in which a surfactant having an HLB value of 1 to 6 is bonded to the surface or inside of aggregates of inorganic fine particles, and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Application
    Filed: March 18, 2019
    Publication date: February 11, 2021
    Inventors: Chanjoong KIM, Sangryeo LEE, Joon Seok LEE, Yil JANG, Ji Yeon KIM, Jae Hoon CHOE
  • Publication number: 20200277241
    Abstract: The present invention relates to a controlled-release fertilizer, including: a photodegradable capsule including a binder resin containing a polyolefin and an ethylene vinyl acetate copolymer, and a photocatalytic composite in which a (co)polymer including at least one repeating unit selected from the group consisting of an ethylene repeating unit and a vinyl acetate repeating unit is bonded to the surface or inside of agglomerates of inorganic fine particles; and a fertilizer contained in a space surrounded by the photodegradable capsule.
    Type: Application
    Filed: December 13, 2018
    Publication date: September 3, 2020
    Applicants: LG CHEM, LTD., FarmHannong Co., Ltd.
    Inventors: Chanjoong KIM, Joon Seok LEE, Yil JANG, Sangryeo LEE, Ji Yeon KIM, Jae Hoon CHOE
  • Publication number: 20200270185
    Abstract: The present invention relates to a controlled-release type fertilizer with remarkably decreased floating property, comprising a granular fertilizer core; a coating layer (shell) formed on the surface of the granular fertilizer core, and comprising olefin-based resin; and additives attached on the coating layer, and comprising polyoxyethylene alkyl(-aryl)ether.
    Type: Application
    Filed: September 13, 2018
    Publication date: August 27, 2020
    Applicants: LG CHEM, LTD., FarmHannong Co., Ltd.
    Inventors: Mihee KIM, Hyosook JOO, Eun Kyoung PARK, Hyeon CHOI, Kiyoul YOON, Joon Seok LEE
  • Publication number: 20200270184
    Abstract: The present invention relates to a controlled-release type fertilizer with outstandingly decreased floating property, comprising a granular fertilize core; a coating layer (shell) formed on the surface of the granular fertilizer core, and comprising olefin-based resin; and additives attached on the coating layer, and comprising ethylene oxide-propylene oxide-ethylene oxide(EO-PO-EO) or propylene oxide-ethylene oxide-propylene oxide(PO-EO-PO) tri-block copolymer.
    Type: Application
    Filed: September 13, 2018
    Publication date: August 27, 2020
    Applicants: LG CHEM, LTD., FarmHannong Co., Ltd.
    Inventors: Mihee KIM, Hyosook JOO, Eun Kyoung PARK, Hyeon CHOI, Kiyoul YOON, Joon Seok LEE
  • Publication number: 20190324027
    Abstract: Disclosed is a diagnostic kit for quickly diagnosing a target material with high sensitivity using nanoparticles that absorb infrared light and emit infrared light, in which the nanoparticles are maintained in particle size and have enhanced emission intensity.
    Type: Application
    Filed: March 6, 2018
    Publication date: October 24, 2019
    Inventors: Joon Seok Lee, Seok Lee, Man Ho Choi, Hee Soo PYO, Seung Ki KIM, Jae Young KIM
  • Patent number: 10380784
    Abstract: Provided herein is an electronic apparatus including a storage configured to store a texture image representing a characteristic of a particle of an object; and a processor configured to map the texture image to a plurality of locations where the particle exists and to generate a blending image by blending the mapped texture images, and to render the object based on the blending image.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: August 13, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-ho Shin, Soo-wan Park, Joon-seok Lee
  • Publication number: 20170359573
    Abstract: Apparatuses for camera calibration using a light source are provided, one of apparatus comprises, a n-light sources (n is 3 or more) which can be mounted on the camera, an actual coordinate computation processing unit which irradiates light to an image pickup surface being captured by the camera through the n-light sources to capture an image of an n-sided polygon made up of n-light spots formed on the image pickup surface, and analyses a degree of distortion on the n-sided screen to obtain n or more coordinate pairs obtained by matching the coordinates on the screen and the coordinates on an actual space and a calibration computation processing unit which receives the n or more coordinate pairs as input to convert a two-dimensional coordinate on the screen into a three-dimensional coordinate on the actual space.
    Type: Application
    Filed: June 8, 2017
    Publication date: December 14, 2017
    Inventors: Ju Dong KIM, Soon Yong JUNG, Joon Seok LEE, Jae Seon PARK, Ji Seon JANG, Ji Eun SONG
  • Patent number: 9820701
    Abstract: The present invention relates to an X-ray targeting device which includes a frame installed at an X-ray generator of an X-ray imaging device which outputs X-rays toward a patient to be measured, and a light radiation unit installed at the frame, and radiating guide light in accordance with a direction in which the X-rays are output to display a radiated position or radiated range of the X-rays with respect to the patient. According to the present invention, since an X-ray targeting device includes a light radiation unit radiating guide light in accordance with a radiated direction of X-rays, a worker can easily identify the radiated direction or the radiated range of the X-rays, thereby saving time and effort required for X-ray imaging.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: November 21, 2017
    Assignee: LINKOPTICS CO., LTD.
    Inventors: Yong Won Choi, Hyo Gi Seo, Keum Yeon Choi, Joon Seok Lee
  • Publication number: 20170046869
    Abstract: Provided herein is an electronic apparatus including a storage configured to store a texture image representing a characteristic of a particle of an object; and a processor configured to map the texture image to a plurality of locations where the particle exists and to generate a blending image by blending the mapped texture images, and to render the object based on the blending image.
    Type: Application
    Filed: July 25, 2016
    Publication date: February 16, 2017
    Inventors: Seung-ho SHIN, Soo-wan PARK, Joon-seok LEE
  • Publication number: 20160253047
    Abstract: A method for operating a user interface of an electronic device is provided. The method includes displaying at least one fluid graphic element on a display of the electronic device, determining whether a preset second condition associated with the at least one fluid graphic element is satisfied, and performing a preset function of the electronic device if the second condition is satisfied.
    Type: Application
    Filed: February 29, 2016
    Publication date: September 1, 2016
    Inventors: Hyung-Min KIM, Soo-Wan Park, Chang-Mo Yang, Jee-Yeun Wang, Seung-Ho Shin, Young-Min Kwak, Joon-Seok Lee, Kang-Sik Choi, Chul-Hwan Hyun
  • Publication number: 20160213338
    Abstract: The present invention relates to an X-ray targeting device which includes a frame installed at an X-ray generator of an X-ray imaging device which outputs X-rays toward a patient to be measured, and a light radiation unit installed at the frame, and radiating guide light in accordance with a direction in which the X-rays are output to display a radiated position or radiated range of the X-rays with respect to the patient. According to the present invention, since an X-ray targeting device includes a light radiation unit radiating guide light in accordance with a radiated direction of X-rays, a worker can easily identify the radiated direction or the radiated range of the X-rays, thereby saving time and effort required for X-ray imaging.
    Type: Application
    Filed: November 17, 2015
    Publication date: July 28, 2016
    Inventors: Yong Won CHOI, Hyo Gi SEO, Keum Yeon CHOI, Joon Seok LEE