Patents by Inventor Dong-su Han

Dong-su Han 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).

  • Publication number: 20200192245
    Abstract: A developing device comprising a developer transporting unit including a developer inlet through which a developer is reintroduced, a developer outlet through which the developer is discharged, and a developing roller mounted in the developer transporting unit; and a developer circulator including a first connection opening connected to the developer outlet, to receive the developer discharged through the developer outlet, a second connection opening connected to the developer inlet to reintroduce the developer through the developer inlet into the developer transporting unit, a waste opening through which the developer is discarded, and a guide member mounted in the developer circulator to selectively guide the developer received through the first connection opening to the second connection opening or to the waste opening.
    Type: Application
    Filed: March 19, 2018
    Publication date: June 18, 2020
    Inventors: Jong Hyun Park, Jong Hwa Park, Jang Hyun Son, Dong Geun Lee, Jeong Hyun Lee, Min Su Han
  • Patent number: 10650277
    Abstract: The present disclosure relates to apparatus and method for training a learning system to detect event. The present disclosure provides apparatus and method for training a learning system that includes an event related keyword collecting unit that collects an event related keyword inputted by a user, a related keyword collecting unit that collects at least one related keyword from a word database by transmitting an event related keyword to the word database, an event related image collecting unit that collects at least one event related image that is related to a search formula from an image database by transmitting the search formula to the image database, and a training unit that trains a learning system by communicating with the learning system with a use of an event related image as training data.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: May 12, 2020
    Assignees: CENTER FOR INTEGRATED SMART SENSORS FOUNDATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (KAIST)
    Inventors: Dong Su Han, Jin Woo Shin, Byeok San Lee, Jin Young Yang
  • Patent number: 10645425
    Abstract: A method for managing multimedia data by a contents server comprises the steps of: generating one or more chunks from an input image; generating chunk information of the input image including a list of the generated chunks; performing an identity check among chunks on the basis of the chunk information of the input image and chunk information stored in the contents server; and updating the stored chunk information according to a result of the identity check, wherein the chunks are a meaningful scene unit in an image.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: May 5, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Kyung-Mo Park, Young-Wan So, Gi-Young Nam, Kyoung-Soo Park, Sang-Wook Bae, Dong-Su Han, Jae-Yeon Song
  • Publication number: 20200108692
    Abstract: The present invention relates to a perforated member and an air conditioner for a vehicle having the same, which can solve the heat pick-up problem of a two-layered structure and enhance manufacturing performance and assemblability even though a space between a heater core and an electric heater is divided.
    Type: Application
    Filed: October 8, 2019
    Publication date: April 9, 2020
    Inventors: Dong Won LEE, Jong Su KIM, Jae Woo KO, Young Keun KIM, Chang Soo BAE, Jong Min LEE, Gyu Ik HAN
  • Publication number: 20200083124
    Abstract: A laser processing method includes irradiating a laser light into a substrate along a cutting line to form a laser-scribed layer within the substrate, irradiating an X-ray onto a first surface of the substrate along the cutting line, obtaining an image of a diffracted X-ray from the substrate, and determining whether or not the laser-scribed layer is formed along the cutting line, based on analysis of the obtained image of the diffracted X-ray.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 12, 2020
    Inventors: Jin-Yeol YANG, Hyung-Su SON, Hae-Gu LEE, Dong-Su HAN
  • Patent number: 10560731
    Abstract: The present disclosure provides a method and a server apparatus for delivering content based on content-aware using a neural network. A server apparatus for content delivery is provided, including a content clustering unit for clustering multiple contents provided from a content provider based on a similarity; a training unit for training a cluster-wise content reconstruction model by using contents contained in each cluster in accordance with a result of clustering performed by the content clustering unit; a storage unit for storing the multiple contents and the cluster-wise content reconstruction model; and a transmission unit for transmitting content requested by a user and a content reconstruction model corresponding to a cluster containing the content requested to a user terminal.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: February 11, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su Han, Hyun Ho Yeo, Seong Hyeon Do
  • Patent number: 10541619
    Abstract: An LLC resonant converter and an electronic device are provided. The LLC resonant converter according to the present disclosure includes a multi input transformer, first and second converter units connected to a primary side of the multi input transformer, an input voltage part, a first balance capacitor, and an output part connected to a secondary side of the multi input transformer.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: January 21, 2020
    Assignee: SOLUM CO., LTD.
    Inventors: Sang-keun Ji, Sang-kyoo Han, Hyun-su Gu, Hyo-hun Kim, Dong-kyun Ryu, Heung-gyoon Choi
  • Patent number: 10504804
    Abstract: A laser processing method includes irradiating a laser light into a substrate along a cutting line to form a laser-scribed layer within the substrate, irradiating an X-ray onto a first surface of the substrate along the cutting line, obtaining an image of a diffracted X-ray from the substrate, and determining whether or not the laser-scribed layer is formed along the cutting line, based on analysis of the obtained image of the diffracted X-ray.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Yeol Yang, Hyung-Su Son, Hae-Gu Lee, Dong-Su Han
  • Patent number: 10505463
    Abstract: An LLC resonant converter and an electronic device are provided. The LLC resonant converter according to the present disclosure includes a multi input transformer, first and second converter units connected to a primary side of the multi input transformer, an input voltage part, a first balance capacitor, and an output part connected to a secondary side of the multi input transformer.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: December 10, 2019
    Assignee: SOLUM CO., LTD.
    Inventors: Sang-keun Ji, Sang-kyoo Han, Hyun-su Gu, Hyo-hun Kim, Dong-kyun Ryu, Heung-gyoon Choi
  • Patent number: 10462157
    Abstract: A multi-pattern matching algorithm may be provided that includes: a moving step of moving a moving window from the start of a string one byte by one byte; a DF1 checking step of converting the string on a current position of the moving window into an integer value, and of checking whether or not a bit of a related position in a first direct filter DF1 for patterns having lengths larger than 2 bytes is set to 1; a DF moving step of checking one or more direct filters DF when the bit is set to 1 according to the DF1 checking step; a re-moving step of moving the moving window by one byte again when the bit of a related position in the direct filter DF, which has been checked lastly, is 0; and a terminating step of checking whether the moving window is located at the end of the string or not, and of terminating the algorithm when the moving window is positioned at the end of the string.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: October 29, 2019
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Su Han, Byung-Kwon Choi, Jae-Hyun Nam, Muhammad Jamshed, Kyoung-Soo Park, Jong-Wook Chae
  • Publication number: 20190313088
    Abstract: The present invention relates to a rotating inspector for a camera module. The rotating inspector includes a rotary table having one or more socket units on which the camera module mounted; a plurality of inspection devices disposed around the rotary table to inspect the camera module; test boards disposed on the rotary table, each of test boards being connected to the one or more socket units, respectively to control the camera module and generate inspection data for the camera module; a first data processing unit disposed on the rotary table and analyzing the inspection data to generate result data for possible defects of the camera module; a second data processing unit disposed outside the rotary table, the second data processing unit being configured to receive the result data and to sort and store the received data; and a data transmission unit transmitting the result data generated in the first data processing unit to the second data processing unit.
    Type: Application
    Filed: January 20, 2019
    Publication date: October 10, 2019
    Applicant: ISMEDIA Co., Ltd.
    Inventors: Seong Cheol HONG, Dong Choon KIM, Sung Oh YIM, Yong Woo HAN, Eun Seok SHIN, Cheon Su MUN, Min Seog CHOI
  • Publication number: 20190240578
    Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Inventors: Jung Kyu YE, Geon Yeong KIM, Chang Hoon YI, Joo Seok LEE, Guhyun PARK, Young Suk KIM, Jae Hyun PARK, June Sik YI, Hun Joon HA, Nak Hyun KIM, Ho Sik KIM, Jeong Min SEO, Tae Hoon KOO, Duc Chun KIM, Seoung Hwi JUNG, Byung Eun JIN, Jin Woo LEE, Seok Hyun KIM, Ju Yong LIM, Hyun Ju CHO, Sang Yeop LEE, Min Kwan CHAE, Sang Ho KIM, Hee Seok KANG, Seongkwan LEE, Jeong Pyo HONG, Choong Yeol LEE, Yong Woo PARK, Kyoung Su LEE, Yu Ju KIM, Dong Gook LEE, Hyun Jin KIM, Hyun Jeong LEE, Dong Young CHANG, Jong Min LEE, Jin Woo LEE, Song I HAN, Taek Ki LEE, Eun Ji NAM, Choon Hwa LEE, Young Min KANG, Jung Soo LEE
  • Publication number: 20190237295
    Abstract: Embodiments of the invention provide for an electron microscope sample holder, which includes a membrane, a support frame partially surrounding a perimeter or circumference of the membrane, a mounting area for mounting a sample to the membrane, where the mounting area abuts a perimeter or circumference of the membrane not surrounded by the support frame, at least two of conducting contact pads mounted on a the support frame, and at least one electrode lead mounted on the membrane and in electric contact with at least one conducting contact pad.
    Type: Application
    Filed: January 25, 2019
    Publication date: August 1, 2019
    Inventors: Fernando Enrique Camino, Myung-Geun Han, Dong Su, Eric Stach, Paulo Castillo, Ming Lu
  • Patent number: 10361006
    Abstract: Provided is a laser welding apparatus for spacer grid of nuclear fuel assembly comprising a base frame in which a chamber installment hole is formed horizontally to the center in a way that the hole penetrates the chamber and a guide rail is installed along the chamber installment hole; a welding chamber unit assembled with the base frame in guidance by the guide rail and equipped with an operable door in front and a glass window at the top to be airtight; a laser welding unit mounted on the base frame for radiating laser through the glass window to weld spacer grid in the welding chamber; and a locking member for fixing the welding chamber on the base frame.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 23, 2019
    Assignee: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Dong Kwang Shin, Byeong Eun Oh, Kwang Ho Yun, Sang Jae Han, Jong Sung Hong, Kwang Seok Cha, Wun Su Hong
  • Publication number: 20190215549
    Abstract: The present disclosure provides a method and a server apparatus for delivering content based on content-aware using a neural network. A server apparatus for content delivery is provided, including a content clustering unit for clustering multiple contents provided from a content provider based on a similarity; a training unit for training a cluster-wise content reconstruction model by using contents contained in each cluster in accordance with a result of clustering performed by the content clustering unit; a storage unit for storing the multiple contents and the cluster-wise content reconstruction model; and a transmission unit for transmitting content requested by a user and a content reconstruction model corresponding to a cluster containing the content requested to a user terminal.
    Type: Application
    Filed: March 19, 2018
    Publication date: July 11, 2019
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Su HAN, Hyun Ho YEO, Seong Hyeon DO
  • Patent number: 10315112
    Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: June 11, 2019
    Assignee: Nexon Korea Corporation
    Inventors: Jung Kyu Ye, Geon Yeong Kim, Chang Hoon Yi, Joo Seok Lee, Guhyun Park, Young Suk Kim, Jae Hyun Park, June Sik Yi, Hun Joon Ha, Nak Hyun Kim, Ho Sik Kim, Jeong Min Seo, Tae Hoon Koo, Duc Chun Kim, Seoung Hwi Jung, Byung Eun Jin, Jin Woo Lee, Seok Hyun Kim, Ju Yong Lim, Hyun Ju Cho, Sang Yeop Lee, Min Kwan Chae, Sang Ho Kim, Hee Seok Kang, Seongkwan Lee, Jeong Pyo Hong, Choong Yeol Lee, Yong Woo Park, Kyoung Su Lee, Yu Ju Kim, Dong Gook Lee, Hyun Jin Kim, Hyun Jeong Lee, Dong Young Chang, Jong Min Lee, Jin Woo Lee, Song I Han, Taek Ki Lee, Eun Ji Nam, Choon Hwa Lee, Young Min Kang, Jung Soo Lee
  • Patent number: 10304546
    Abstract: An external storage device and method of setting a reference frequency for the same are provided. The external storage device includes: a device manager configured to set a reference frequency using information about the reference frequency for a high-speed mode received in a low-speed mode after the external storage device starts initialization, and control the external storage device to operate at the reference frequency in the high-speed mode, wherein the external storage device is a removable device which is attachable to and detachable from a host and is configured to operate according to a reference clock signal with the reference frequency in the high-speed mode.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il Su Han, Jong Hwa Kim, Dong Gi Lee
  • Publication number: 20190131193
    Abstract: A laser processing method includes irradiating a laser light into a substrate along a cutting line to form a laser-scribed layer within the substrate, irradiating an X-ray onto a first surface of the substrate along the cutting line, obtaining an image of a diffracted X-ray from the substrate, and determining whether or not the laser-scribed layer is formed along the cutting line, based on analysis of the obtained image of the diffracted X-ray.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 2, 2019
    Inventors: Jin-Yeol YANG, Hyung-Su SON, Hae-Gu LEE, Dong-Su HAN
  • Publication number: 20180114095
    Abstract: The present disclosure relates to apparatus and method for training a learning system to detect event. The present disclosure provides apparatus and method for training a learning system that includes an event related keyword collecting unit that collects an event related keyword inputted by a user, a related keyword collecting unit that collects at least one related keyword from a word database by transmitting an event related keyword to the word database, an event related image collecting unit that collects at least one event related image that is related to a search formula from an image database by transmitting the search formula to the image database, and a training unit that trains a learning system by communicating with the learning system with a use of an event related image as training data.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 26, 2018
    Inventors: Dong Su HAN, Jin Woo SHIN, Byeok San LEE, Jin Young YANG
  • Publication number: 20170127095
    Abstract: A method for managing multimedia data by a contents server comprises the steps of: generating one or more chunks from an input image; generating chunk information of the input image including a list of the generated chunks; performing an identity check among chunks on the basis of the chunk information of the input image and chunk information stored in the contents server; and updating the stored chunk information according to a result of the identity check, wherein the chunks are a meaningful scene unit in an image.
    Type: Application
    Filed: June 15, 2015
    Publication date: May 4, 2017
    Inventors: Kyung-Mo PARK, Young-Wan SO, Gi-Young NAM, Kyoung-Soo PARK, Sang-Wook BAE, Dong-Su HAN, Jae-Yeon SONG