Patents by Inventor Dong-Woo Lee

Dong-Woo 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).

  • Publication number: 20190250544
    Abstract: A fixing device comprising a fixing belt, a rotating member to be in engagement with an outer circumferential surface of the fixing belt, to form a fixing nip between the fixing belt and the rotating member, and sliding members on both ends of the fixing belt.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Applicant: HP Printing Korea, Co., Ltd.
    Inventors: Ji Su PARK, Soo Hwan BAE, Dong Woo LEE, Dong Jin SEOL, Jun Tae KIM
  • Patent number: 10351592
    Abstract: The present invention relates to a method for separating antibody isoforms using cation exchange chromatography and, more specifically, to a method for separating and purifying several isoforms, which are generated during an antibody production procedure, using a washing buffer for cation exchange chromatography.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: July 16, 2019
    Assignee: CELLTRION, INC.
    Inventors: Dong Woo Lee, Mi Na Song, Byoung Oh Kwon, Ki Sung Kwon, Dong Rim Yeom, Yeon Jung Kim
  • Publication number: 20190200891
    Abstract: Disclosed herein are a system and a method for volitional electromyography (vEMG) signal detection from an EMG signal when functional electrical stimulation (FES) is applied. The system for vEMG signal detection includes a receiver for receiving data from an EMG electrode when FES is applied, a memory for storing a program for detecting a vEMG signal using the received data, and a processor for executing the program, wherein the processor cuts the data received from the EMG electrode disposed at a predetermined position, calculates a difference between data for previous FES and data for current FES, and detects the vEMG signal using the calculated difference.
    Type: Application
    Filed: December 3, 2018
    Publication date: July 4, 2019
    Inventors: Joon Young JUNG, Bae Sun KIM, Yong Ki SON, Dong Woo LEE, Ja Beom GU, Hyung Cheol SHIN
  • Patent number: 10334174
    Abstract: An electronic device may include: at least one lens; an image sensor that generates an image; and a first processor that determines a location of the at least one lens when an auto-focusing mode is executed. The electronic device also has a second processor configured to, when the location of the at least one lens is changed from a first location to a second location, change a size of a second image frame, which has a second viewing angle larger than a first viewing angle of a first image frame generated at the first location, among frames in the image, to a size corresponding to the first viewing angle.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: June 25, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Woo Lee, Ji-Hak Kim, Soo-Kyung Joo
  • Publication number: 20190189470
    Abstract: A wafer cleaning apparatus includes a wafer roller to rotate a wafer in a first direction, first and second roller brushes disposed to be parallel to each other, the first and second roller brushes to be brought into contact with opposing surfaces of the wafer to clean the opposing surfaces of the wafer, respectively, while rotating in mutually opposing directions, first and second pipes having a longitudinal direction parallel to each other, the first and second pipes being above the first and second roller brushes and conveying a cleaning liquid for cleaning the wafer, first and second nozzle groups disposed along the longitudinal direction of the pipes, respectively, and including a plurality of nozzles to spray the cleaning liquid onto the opposing surfaces of the wafer at a predetermined angle, respectively, and a binding part connecting the first and second pipes to restrain movement of the first and second pipes.
    Type: Application
    Filed: July 19, 2018
    Publication date: June 20, 2019
    Inventors: Jong Myung PARK, Dong Woo LEE, Jin Hong LEE, Young Seok JUNG, Kang Min PAEK
  • Publication number: 20190186062
    Abstract: A washing machine comprises a housing including a main inlet on a front surface thereof, a main washing unit disposed in the housing, a main door opening and closing the inlet, and a sub-washing unit disposed in the main door and provided with a pulsator. A large amount of laundry can be washed through the main washing unit and a small amount of laundry can be washed through the sub-washing unit, so that washing can be efficiently performed according to the amount of laundry.
    Type: Application
    Filed: July 24, 2017
    Publication date: June 20, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Wook PARK, Dong Woo LEE, Valeriy PRUSHINSKIY, Igor IVANOV, Hyung Sok YEO, Jun Young LEE
  • Patent number: 10317826
    Abstract: A fixing device comprising a fixing belt, a rotating member arranged to be in engagement with an outer circumferential surface of the fixing belt, a nip forming member to press the fixing belt, to form a fixing nip between the fixing belt and the rotating member, and sliding members on both ends of the fixing belt and to rotate together with the fixing belt.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 11, 2019
    Assignee: HP PRINTING KOREA, CO., LTD.
    Inventors: Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Dong Jin Seol, Jun Tae Kim
  • Publication number: 20190096329
    Abstract: An organic light-emitting diode (OLED) display can include a display panel including sub-pixels; a deterioration sensing unit configured to sense a deterioration state of the display panel; a power supply configured to output a high voltage for driving the sub-pixels; and a timing controller configured to: receive a deterioration sensing result including information on the deterioration state of the display panel from the deterioration sensing unit, continuously vary the high voltage based on the deterioration sensing result received from the deterioration sensing unit, and provide the varied high voltage to the sub-pixels.
    Type: Application
    Filed: September 24, 2018
    Publication date: March 28, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Yong-Chul KWON, Dong-Won PARK, Dong-Woo LEE, Joon-Hee LEE
  • Publication number: 20190039064
    Abstract: Provided is a bio chip structure for a comparative experiment. The bio chip structure for a comparative experiment according to the present invention may include: a first pillar substrate including at least one first pillar where a first sample is disposed; a second pillar substrate including at least one second pillar where a second sample is disposed; and a well substrate including wells to which at least one pair of the first pillars of the first pillar substrate and the second pillar of the second pillar substrate is inserted. Accordingly, a comparative experiment to culture a different kind of samples may be conducted in an identical environment, a different kind of samples, which are the subjects of a comparative experiment, may be rapidly and accurately disposed on a plurality of pillars, and an experimental group or a control group may be easily replaced.
    Type: Application
    Filed: August 9, 2017
    Publication date: February 7, 2019
    Applicants: MBD KOREA. CO., LTD., MEDICINAL BIOCONVERGENCE RESEARCH CENTER
    Inventors: Dong Woo LEE, Chan Ho PARK, Sung Hoon KIM
  • Patent number: 10200011
    Abstract: A crystal oscillator package includes a crystal piece configured to vibrate in response to an electrical signal, a first vibrating part protruding from an upper surface of the crystal piece, a second vibrating part protruding from a lower surface of the crystal piece, a first exciting electrode disposed on the first vibrating part, a second exciting electrode disposed on the second vibrating part, and protrusions extending from an end portion of the lower surface of the crystal piece. The protrusions include two or more stages.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: February 5, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong Woo Lee, Sung Wook Kim, Seung Mo Lim, Jong Pil Lee
  • Publication number: 20180361373
    Abstract: Technology for a pillar structure for a biochip is disclosed. The pillar structure for a biochip includes: a substrate portion having a plate structure; an insertion pillar portion formed in one piece with the substrate portion and protruding downward from a lower surface of the substrate portion so as to be inserted into a well; and a compensation pillar portion formed in one piece with the substrate portion, the compensation pillar portion corresponding to the insertion pillar portion and protruding upward from an upper surface of the substrate portion. Therefore, when the pillar structure is cooled during an injection molding process, the substrate portion is prevented from being partially recessed, and when samples are analyzed using microscopic images, accuracy and reliability may be improved.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 20, 2018
    Inventors: Don Jung LEE, Ho Jeong SONG, Dong Woo LEE, Do Hyun NAM
  • Publication number: 20180344608
    Abstract: The present disclosure relates to methods of preparing an ultra-low molecular weight keratin peptide and use thereof. In particular, the present disclosure relates to a method of preparing an ultra-low molecular weight keratin peptide using culturing a microorganism having keratinolytic activity in a medium including keratin, ultrafiltration, ion exchange chromatography and gel filtration chromatography, a peptide prepared by the method, and a cosmetic and food composition for preventing or improving skin aging or skin wrinkles including the same. According to the method of preparing a keratin peptide of the present invention, it is possible to eco-friendly biologically treat waste resources and efficiently purify and recover anti-aging functional ultra-low molecular weight keratin peptides.
    Type: Application
    Filed: October 31, 2016
    Publication date: December 6, 2018
    Inventors: Dong Woo LEE, Nam Joo KANG, Yong Jik LEE, Hyeon Su JIN, In Hyuk YEO, Kyeong Seop SONG, Jae-Eun LEE
  • Publication number: 20180333718
    Abstract: Technology for a biochip pillar structure is disclosed. According to an embodiment of the present disclosure, the biochip pillar structure includes: a pillar structure including a plate-shaped first substrate portion, and pillar portions protruding from a surface of the first substrate portion; and a well structure including a plate-shaped second substrate portion, and well portions formed in a surface of the second substrate portion and having a predetermined depth to respectively receive the pillar portions of the pillar structure, wherein the well portions have a diameter within a range of 800 ?m to 1500 ?m, and the pillar portions configured to be inserted into the well portions have a diameter of which the ratio to the diameter of the well portions ranges from 0.3 to 0.58, thereby providing a high-density biochip and preventing bubbling in an aqueous liquid contained in the well portions when the pillar portions are inserted.
    Type: Application
    Filed: December 12, 2016
    Publication date: November 22, 2018
    Inventors: Don Jung LEE, Ho Jeong SONG, Dong Woo LEE
  • Patent number: 10108118
    Abstract: A fusing device and an image forming apparatus are described in which a pressing member and a heating member of the fusing device are disposed adjacent to one another in a first direction. The heating member includes a fusing belt having a first side in contact with the pressing member, a heat source, disposed at a second side of the fusing belt, to heat the fusing belt, and a heat source seat having a concave structure in which the heat source is mountable.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 23, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Sun Hyung Lee, Sang Uk Jeon, Dong Woo Lee
  • Publication number: 20180280577
    Abstract: The present invention relates to a peptide having the ability to bind specifically to the surface of titanium. The titanium-binding peptide according to the present invention is fixed securely to the titanium surface so that the activity of a physiologically active substance linked to the peptide can be stably maintained over a long period of time. Thus, the peptide can be effectively used for surgical regeneration therapy.
    Type: Application
    Filed: March 7, 2017
    Publication date: October 4, 2018
    Inventors: Chong-Pyoung Chung, Yoon Jeong Park, Jue-Yeon Lee, Yeonsu Kim, Dong Woo Lee
  • Patent number: 10066212
    Abstract: Provided is a method of preparing induced pluripotent stem cells using a synthetic peptide, and more particularly, to a method of preparing induced pluripotent stem cells using a peptide capable of inhibiting the activity of NF-?B and promoting mesenchymal-epithelial transition (MET). Since undifferentiated multipotent stem cells may be efficiently prepared under xenopathogen-free or feeder cell-free conditions without requiring co-culture with animal serum or xenogeneic cells, the method for preparing the induced pluripotent stem cells using the synthetic peptide according to the present disclosure is very useful for developing stem cell therapeutic agents that are clinically applicable.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: September 4, 2018
    Assignees: Seoul National University R&DB Foundation, Nano Intelligent Biomedical Engineering Corporation Co. Ltd.
    Inventors: Yoon Jeong Park, Chong-Pyoung Chung, Jin Sook Suh, Jue-Yeon Lee, Dong Woo Lee
  • Publication number: 20180230558
    Abstract: The present invention relates to a composition for epimerization of a non-phosphorylated hexose, comprising sugar epimerases derived from thermophiles, and a method for preparing a non-phosphorylated hexose epimer using the composition. The sugar epimerases derived from thermophiles according to the present invention can effectively catalyze an epimerization reaction of a non-phosphorylated hexose and can easily produce an epimer form of the non-phosphorylated hexose, in particular a rare sugar hexose, and thus can be usefully utilized in the pharmaceutical and food industry.
    Type: Application
    Filed: January 30, 2018
    Publication date: August 16, 2018
    Inventors: Dong Woo Lee, Sun Mi Shin, Yong Jik Lee, Sang Jae Lee
  • Publication number: 20180230528
    Abstract: The present invention relates to a degenerate primer for analysis of a massive amount of metagenomic information and a method and a kit for analyzing metagenomic information using the same. The method for the metagenomic information analysis and the primer set used for the method according to the present invention can be applied for quickly determining the utility value of a massive amount of metagenome samples. In particular, the superfamily-specific degenerate primer of the present invention is used to quickly detect the presence or absence of the genetic information of the target peptides in the metagenome by a simple method, thereby collecting a large amount of useful peptide resource information from various metagenome samples at high speed. Further, the present invention may be used for screening new peptide genes by designing and producing superfamily-specific degenerate primers of new target peptides based on the method of the present invention.
    Type: Application
    Filed: June 24, 2016
    Publication date: August 16, 2018
    Inventors: Dong Woo Lee, Yong Jik Lee, Sang Jae Lee, Han Seung Lee
  • Patent number: 10044376
    Abstract: Disclosed is a transmitting apparatus that includes an uplink transmitting unit that generates at least two carrier transmission signals carrier and generates transmission control data corresponding to the carrier transmission signals, a Radio Frequency Front End (RFFE) that transmits the at least two carrier transmission signals, and a transmission controller including a storage unit and decoders. The transmission controller activates a decoder corresponding to transmission control data output from the uplink transmitting unit, and the activated decoder accesses information of the storage unit to control wireless transmission of the RFFE.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: August 7, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Changjoon Park, Il-Soo Kim, Youngil Son, Dong Woo Lee
  • Publication number: 20180202097
    Abstract: Provided are a dryer and method for controlling the same, which may appropriately and efficiently dry objects thrown into a receiving space by using high frequency electric fields and heated air. In accordance with one aspect of the present disclosure a dryer includes a main body, a drum rotationally placed inside the main body, a driver provides rotational force to the drum, an electrode part produces an electric field inside the drum, a power supplier supplies power to the electrode part, an air heater heats air, a blower supplies heated air into the drum and a controller controls the power supplier to block power supplied to the electrode part depending on a dried state of an object contained in the drum, controls the driver to rotate the drum, and controls the air heater and the blower to supply heated air into the drum.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 19, 2018
    Inventors: Seung Eun CHUNG, Da Eun KIM, Jin Han KIM, Yong Soon PARK, Sung Chan YUN, Dong Woo LEE, Seok-Mo CHANG, Hee-Soo JEONG, Jin Young CHOI