Patents by Inventor Yeon-kyu Kim

Yeon-kyu 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: 12011122
    Abstract: A drying apparatus is proposed. A main body (100) may constitute the frame of the drying apparatus. A front end frame (102) and a rear end frame (106) may constitute the exterior of the main body (100). A moving bar (230) may discharge air while moving up and down along the front surface of the main body (100). A duct (130) may be installed in the main body (100), and air flown by a fan assembly (160) may be separated in the duct and be discharged to a user through the edges of the front surface of the main body to dry the user. A drive assembly (210) moving the moving bar (230) up and down may be installed in the installation space (150) defined in the duct (130).
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: June 18, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Seong Woo An, Seung Yup Lee, Min Kyu Oh, Hyun Ki Kim, Dae Woong Kim, Yang hwan No, Sang Yoon Lee, Byung Soo Oh, Yeon A Jo, Gi Seop Kwon
  • Publication number: 20240192419
    Abstract: Provided are a polarizing plate and an optical display device including same, the polarizing plate comprising: a polarizer; and a laminate having a first phase difference layer and a second phase difference layer laminated on the lower surface of the polarizer, wherein the short wavelength dispersion of the first phase difference layer is less than the short wavelength dispersion of the second phase difference layer, the first phase difference layer has, at a wavelength of 550 nm, an in-plane phase difference of 280 nm to 400 nm and a degree of biaxiality of more than 1 and less than 1.6, the second phase difference layer has, at a wavelength of 550 nm, an in-plane phase difference of 140 nm to 260 nm 550 nm and a degree of biaxiality of less than 0, and the difference between the in-plane phase difference of the first phase difference layer and the in-plane phase difference of the second phase difference layer at a wavelength of 550 nm is 130 nm to 150 nm.
    Type: Application
    Filed: March 22, 2022
    Publication date: June 13, 2024
    Inventors: Bong Choon KIM, Yeon Ju JUNG, Seo Young KANG, Seon Oh HWANG, Kwang Ho SHIN, Jong Kyu CHOI, Il Woong BAEK
  • Patent number: 12010900
    Abstract: Provided is a circularly polarizing plate capable of improving a reflection color by using a retardation film with flat dispersion characteristics, and an OLED device comprising the circularly polarizing plate.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Keun Lee, Hyun Hee Son, Mun Kyu Joo, Deok Hwan Kim, Dong Choon Kim
  • Patent number: 12009277
    Abstract: A semiconductor package includes a first semiconductor chip and a second semiconductor chip on a substrate, a barrier layer on the first semiconductor chip and the second semiconductor chip, the barrier layer having an opening through which at least a part of the first semiconductor chip is exposed, and a heat transfer part on the barrier layer, the heat transfer part extending along an upper face of the barrier layer and filling the opening.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: June 11, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Kyu Kim, Jung-Ho Park, Jong Youn Kim, Yeon Ho Jang, Jae Gwon Jang
  • Publication number: 20240166991
    Abstract: The present disclosure relates to a cell culture medium composition and a preparation method therefor. By replacing an animal serum with a Spirulina hydrolysate, cell growth can be induced and cell proliferation can be promoted to a level greater than or equal to that of a medium containing an animal serum, while significantly reducing the added amount of animal serum.
    Type: Application
    Filed: April 1, 2022
    Publication date: May 23, 2024
    Inventors: Do-Hyung KANG, Young-Deuk LEE, Woon-Yong CHOI, Youn Sik JEONG, Areumi PARK, Yeon-Ji LEE, Tae-Ho KIM, Won-Kyu LEE, Yong-Kyun RYU
  • Publication number: 20240158273
    Abstract: The present disclosure provides a resource-circulation-type and eco-friendly livestock manure treatment method, and a system for producing algal biomass used therein, the method being capable of: preventing water pollution while allowing livestock liquid fertilizer to be treated on the basis of a biological process; producing algal biomass; and supplying the produced algal biomass to livestock feed and farms.
    Type: Application
    Filed: April 1, 2022
    Publication date: May 16, 2024
    Inventors: Do-Hyung KANG, Yong-Kyun RYU, Won-Kyu LEE, Woon-Yong CHOI, Tae-Ho KIM, Yeon-Ji LEE, Areumi PARK, Youn Sik JEONG
  • Patent number: 11985847
    Abstract: A circularly polarizing plate capable of improving the tone of reflective color sense by using a retardation film having flat dispersion characteristics; and an OLED device comprising the circularly polarizing plate.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: May 14, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Yeon Keun Lee, Hyun Hee Son, Mun Kyu Joo, Deok Hwan Kim, Dong Choon Kim
  • Patent number: 11975991
    Abstract: A neutralization/water separation device for an esterified product including: a neutralization tank in which a crude product mixture containing alcohol and an ester compound, a neutralizing agent, and water are put to produce a neutralized mixture; a water separation tank disposed below the neutralization tank to divide the neutralization mixture into a floating layer and an aqueous layer; a partition wall extending downward from a ceiling of the water separation tank to provide a lower passage in the water separation tank; and a transfer line that transfers the neutralized mixture from the neutralization tank to the water separation tank, where the water separation tank includes: a first water separation part into which the neutralized mixture is introduced from the neutralization tank through the transfer line; and a second water separation part into which the neutralized mixture is introduced from the first water separation part through the lower passage, where the first water separation part and the secon
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: May 7, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Uk Choo, Sung Kyu Lee, Hyun Kyu Kim, Chan Hyu Jin, Hyoung Jun, Jin Sung Park
  • Publication number: 20240116791
    Abstract: The present disclosure relates to a toxic waste treatment process and treatment apparatus including: a temperature raising operation of raising a temperature of a toxic waste solid to a heat treatment temperature selected from 300° C. to 600° C. at an average temperature raising rate of 5° C./min or less; and a heat treatment operation of heat-treating the toxic waste solid at the heat treatment temperature.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 11, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Manki Cho, Hyun Woog Ryu, Bonsik Joo, Jeong Kyu Kim, Yeon Hwa Lee
  • Patent number: 11939698
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: March 26, 2024
    Assignee: SENIC INC.
    Inventors: Jong Hwi Park, Jung-Gyu Kim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Yeon Sik Lee, Sang Ki Ko, Kap-Ryeol Ku
  • Publication number: 20240076799
    Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 7, 2024
    Applicant: SENIC INC.
    Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
  • Patent number: 11172141
    Abstract: Disclosed are a method and apparatus for composing a plurality of images of the celestial bodies. The method and apparatus can compose a plurality of images using various pieces of information associated with the plurality of images and a time interval during the plurality of images are taken, such that objects are accurately matched with no afterimage.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: November 9, 2021
    Assignee: HAECHITECH CORPORATION
    Inventors: Yeon Kyu Kim, Yong Ho Nam, Hyun Il Chang, Seong Min Choe
  • Publication number: 20210067678
    Abstract: Disclosed are a method and apparatus for composing a plurality of images of the celestial bodies. The method and apparatus can compose a plurality of images using various pieces of information associated with the plurality of images and a time interval during the plurality of images are taken, such that objects are accurately matched with no afterimage.
    Type: Application
    Filed: May 1, 2020
    Publication date: March 4, 2021
    Applicant: Haechitech Corporation
    Inventors: Yeon Kyu KIM, Yong Ho NAM, Hyun Il CHANG, Seong Min CHOE
  • Publication number: 20200372818
    Abstract: A state determination apparatus includes: an acquisition unit acquiring first questionnaire information indicating an answer to a first questionnaire in which the answer does not indicate an individuality of an answerer, first physiological information indicating a physiological state of the answerer, second questionnaire information indicating an answer to a second questionnaire in which the answer indicates an individuality of the answerer, and second physiological information indicating a physiological state of the answerer; a membership cluster estimation unit estimating to which cluster a determination target person belongs on the basis of the second physiological information or the second questionnaire information provided by the target person, and a membership condition; and a state determination unit determining a state of the target person on the basis of state relationship information indicating a relationship between the first questionnaire information and the first physiological information in a c
    Type: Application
    Filed: May 13, 2020
    Publication date: November 26, 2020
    Inventors: Tadahiro Kubota, Tomohiro Imai, Shigekazu Higuchi, Yuki Motomura, Yeon-Kyu Kim, Kosuke Okusa, Midori Motoi, Yuki Ikeda, Sayuri Hayashi
  • Publication number: 20060291028
    Abstract: A laser scanning unit for an image forming apparatus includes a light source for producing and projecting light beams, a polygon mirror for deflecting the light beams, a beam splitter for splitting the light beams deflected by the polygon mirror, and an image forming lens arrangement for compensating for aberration of the light beams split by the splitter. The beam splitter has a convex cylindrical mirror and a concave cylindrical mirror, which are paired with each other. The configuration of the splitter allows a more compact arrangement.
    Type: Application
    Filed: March 3, 2006
    Publication date: December 28, 2006
    Inventor: Yeon-kyu Kim