Patents by Inventor Dong-soo Lee

Dong-soo 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: 8998772
    Abstract: An automated manual transmission for a vehicle may include a shifting section provided with a plurality of shifting units for implementing different gear ratio between an input shaft and an output shaft, and a variable power transfer unit transferring continuously and variably power of a power providing device to the shifting section in series by self-controllable slip operation, wherein the variable power transfer unit may be disposed between the power providing device and the shifting section.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: April 7, 2015
    Assignee: Hyundai Motor Company
    Inventors: Soon Ki Eo, Dong Soo Lee
  • Patent number: 9002212
    Abstract: Provided is an optical line terminator (OLT) to recover packet data and a clock from an optical signal including a silent interval. The OLT may receive packet data and a clock from at least one optical network unit (ONU). Even in a silent interval in which the at least one ONU does not transmit packet data, the OLT may successfully recover the clock.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: April 7, 2015
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Mun Seob Lee, Dong Soo Lee, Geun Yong Kim, Hark Yoo, Young Suk Lee, Sung Chang Kim, Jai Sang Koh, Jong Deog Kim
  • Publication number: 20150061030
    Abstract: Provided are semiconductor structures and methods of fabricating the same. The semiconductor structure includes a silicon substrate, at least one semiconductor layer that is grown on the silicon substrate and has a lattice constant in a range from about 1.03 to about 1.09 times greater than that of the silicon substrate, and a buffer layer that is disposed between the silicon substrate and the semiconductor layer and includes a metal silicide compound for lattice matching with the semiconductor layer. Related fabrication methods are also discussed.
    Type: Application
    Filed: August 28, 2014
    Publication date: March 5, 2015
    Inventors: Mohammad Rakib Uddin, Moon-seung Yang, Dong-soo Lee, Myoung-jae Lee, Seong-ho Cho, Eui-chul Hwang
  • Publication number: 20150061088
    Abstract: The present disclosure relates to a semiconductor device including an oxygen gettering layer between a group III-V compound semiconductor layer and a dielectric layer, and a method of fabricating the semiconductor device. The semiconductor device may include a compound semiconductor layer; a dielectric layer disposed on the compound semiconductor layer; and an oxygen gettering layer interposed between the compound semiconductor layer and the dielectric layer. The oxygen gettering layer includes a material having a higher oxygen affinity than a material of the compound semiconductor layer.
    Type: Application
    Filed: March 13, 2014
    Publication date: March 5, 2015
    Inventors: Dong-soo LEE, Myoung-Jae LEE, Seong-ho CHO, Mohammad Rakib Uddin, David SEO, Moon-seung YANG, Sang-moon LEE, Sung-hun LEE, Ji-hyun HUR, Eui-chul HWANG
  • Patent number: 8947905
    Abstract: A method of driving a nonvolatile memory device including applying a reset voltage to a unit memory cell, reading a reset current of the unit memory cell, confirming whether the reset current is within a first current range, if the reset current is not within the first current range, changing the reset voltage and applying a changed reset voltage or applying again the reset voltage to the unit memory cell after applying a set voltage to the unit memory cell, if the reset current is within the first current range, confirming whether a difference between the present reset current and an immediately previous set current is within a second current range, and, if the difference is not within the second current range, applying the reset voltage or applying again the reset voltage to the unit memory cell after applying a set voltage to the unit memory cell.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Man Chang, Young-bae Kim, Dong-soo Lee, Chang-bum Lee, Seung-ryul Lee, Chang-jung Kim, Myoung-jae Lee, Kyung-min Kim
  • Patent number: 8948401
    Abstract: Disclosed is a method of registering only an authorized optical network terminal among a plurality of optical network terminals with the same serial number, in an optical line terminal, using a public key encryption algorithm, in a Gigabit Passive Optical Network (GPON). According to an exemplary aspect, a GPON system encrypts a physical layer OAM message transmitted/received for serial number registration of an optical network terminal, using a key distributed according to a public key encryption algorithm, and authenticates registration of the optical network terminal using the encrypted physical layer OAM message. Accordingly, it is possible to securely authenticate registration of an authorized optical network terminal and block registration of unauthorized optical network terminals.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: February 3, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang-ok Kim, Geun-yong Kim, Dong-soo Lee
  • Publication number: 20150028458
    Abstract: A semiconductor device is provided that includes a diffusion barrier layer between a compound semiconductor layer and a dielectric layer, as well as a method of fabricating the semiconductor device, such that the semiconductor device includes a compound semiconductor layer; a dielectric layer; and a diffusion barrier layer including an oxynitride formed between the compound semiconductor layer and the dielectric layer.
    Type: Application
    Filed: March 14, 2014
    Publication date: January 29, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-soo Lee, Eui-chul Hwang, Seong-ho Cho, Myoung-jae Lee, Sang-moon Lee, Sung-hun Lee, Rakib Uddin Mohammad, David Seo, Moon-seung Yang, Ji-hyun Hur
  • Patent number: 8938167
    Abstract: An apparatus and method for managing a dynamic bandwidth allocation to support a low-power mode, in a passive optical network (PON) are provided. The apparatus may include a power saving mode managing unit to manage a power saving mode of at least one optical network unit (ONU), a bandwidth allocation parameter storage unit to store a bandwidth allocation parameter used for a power saving mode, and to maintain the stored bandwidth allocation parameter, and a dynamic bandwidth allocating unit to provide bandwidth allocation information to the at least one ONU, when the stored bandwidth allocation parameter is received.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: January 20, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hark Yoo, Young Suk Lee, Sung Chang Kim, Geun Yong Kim, Mun Seob Lee, Dong Soo Lee, Young Sun Kim
  • Patent number: 8932173
    Abstract: An automated manual transmission for a vehicle includes an input shaft and an output shaft disposed parallel to each other, a controller and a plurality of external gear trains, planetary gear devices and friction elements. Each external gear train comprises two external gears coaxially and respectively provided on the input and output shafts, and selectively engaged with each other to form a series of gear stages. Each planetary gear device selectively connects one of the two external gears in a corresponding external gear train such that a state of transmitting rotating force to a shaft, on which the selected external gear is provided, can be changed. Each friction element controls rotation of a rotational element of a corresponding planetary gear device. The controller controls the friction elements in accordance with driving conditions of the vehicle, thereby shifting the gear stages.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: January 13, 2015
    Assignee: Hyundai Motor Company
    Inventors: Soon Ki Eo, Dong Soo Lee, Jong Yun Park
  • Patent number: 8934781
    Abstract: An optical subscriber network for power reduction is provided. The optical subscriber network may include an Optical Line Terminal (OLT) and an Optical Network Terminal (ONT). The OLT may manage a plurality of ONTs by classifying the plurality of ONTs into a sleep group, and may multicast a sleep allowance message only to ONTs included in a predetermined sleep group.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: January 13, 2015
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Sung Chang Kim, Jong Deog Kim, Dong Soo Lee, Hark Yoo, Geun Yong Kim, Young Suk Lee, Mun Seob Lee
  • Publication number: 20140371021
    Abstract: An automated manual transmission for a vehicle includes an input shaft and an output shaft disposed parallel to each other, a controller and a plurality of external gear trains, planetary gear devices and friction elements. Each external gear train comprises two external gears coaxially and respectively provided on the input and output shafts, and selectively engaged with each other to form a series of gear stages. Each planetary gear device selectively connects one of the two external gears in a corresponding external gear train such that a state of transmitting rotating force to a shaft, on which the selected external gear is provided, can be changed. Each friction element controls rotation of a rotational element of a corresponding planetary gear device. The controller controls the friction elements in accordance with driving conditions of the vehicle, thereby shifting the gear stages.
    Type: Application
    Filed: September 18, 2013
    Publication date: December 18, 2014
    Applicant: Hyundai Motor Company
    Inventors: Soon Ki EO, Dong Soo LEE, Jong Yun PARK
  • Patent number: 8911706
    Abstract: The present invention is about bifunctional chelating agents (BCA) conjugated mannosyl human serum albumin (MSA) and its radioisotope labeled compounds for imaging immune system such as macrophages, Kupffer cells, reticuloendothelial system (RES), and lymphatic system. The present invention comprises BCA-MSA conjugates, their radiolabeled compounds, and kits for radiolabeing. The present invention improved radiolabeling procedure, showed higher lymphatic system uptake, and enabled image by positron emission tomography (PET).
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: December 16, 2014
    Assignee: SNU R&DB Foundation
    Inventors: Jae Min Jeong, Myung Chul Lee, June Key Chung, Dong Soo Lee
  • Patent number: 8856996
    Abstract: A laundry treating device includes two separate laundry washing mechanisms. Methods of controlling such a laundry treating device include steps for supplying water to a first tub provided in the first laundry treating device and to a second tub provided in the second laundry treating device. The water can be supplied to the two tubs simultaneously or separately. Also, the water supply steps can be alternated. Further individual hot and cold water supply steps can include simultaneously or sequentially supplying the hot and cold water.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: October 14, 2014
    Assignee: LG Electronics Inc.
    Inventors: Dong Soo Lee, Ki Chul Woo, Na Eun Kim, Dong Won Kim, Sung Min Kim, Sung Ryong Kim
  • Patent number: 8861253
    Abstract: A method of operating a semiconductor device that includes a variable resistance device, the method including applying a first voltage to the variable resistance device so as to change a resistance value of the variable resistance device from a first resistance value to a second resistance value that is different from the first resistance value; sensing first current flowing through the variable resistance device to which the first voltage is applied; determining whether the first current falls within a predetermined range of current; and if the first current does not fall within the first range of current, applying an additional first voltage that is equal to the first voltage to the variable resistance device.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: October 14, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Man Chang, Young-bae Kim, Chang-jung Kim, Myoung-jae Lee, Ji-hyun Hur, Dong-soo Lee, Chang-bum Lee, Seung-ryul Lee
  • Publication number: 20140270779
    Abstract: Provided is an OLT including a wavelength splitter that splits all upstream optical signals with different wavelengths received from at least one ONU according to wavelength, at least one receiver that receive the optical signals split by the wavelength splitter according to wavelength, a wavelength selector that allocates an upstream transmission wavelength of the at least one ONU, and a transmitter that transmits wavelength allocation information allocated by the wavelength selector to the at least one ONU.
    Type: Application
    Filed: September 26, 2013
    Publication date: September 18, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong-Soo LEE, Sung-Chang KIM, Geun-Yong KIM, Hark YOO, Young-Suk LEE
  • Publication number: 20140199235
    Abstract: The present invention relates to a nanoparticle having a linker connected to a long alkane or alkene chain, and a method for preparing the nanoparticle. The alkyl chain of C10-30 introduced with a ligand of the present invention can be coated on a hydrophobic nanoparticle through a noncovalent bond, enabling easy introduction of various ligands to the nanoparticle, and the nanoparticle having various functional groups prepared using the method can be applied to fluorescent detection, MRI, raman spectroscopy, optical detection, PET, SPECT, or gamma image device, and the ligand of the visualization agents can be modified to be used for new vessels detection, cancer cell detection, immunocyte detection, hepatocyte detection, cell death detection, and gene detection.
    Type: Application
    Filed: January 31, 2012
    Publication date: July 17, 2014
    Applicant: SNU R&DB FOUNDATION
    Inventors: Jae Min Jeong, Young Kyoung Lee, Dong Soo Lee, June-Key Chung, Myung Chul Lee
  • Patent number: 8772750
    Abstract: A non-volatile memory element includes: a memory layer disposed between a first electrode and a second electrode; and a buffer layer disposed between the memory layer and the first electrode. The memory layer includes a first material layer and a second material layer. The first material layer and the second material layer are configured to exchange ionic species to change a resistance state of the memory layer.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: July 8, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-bum Lee, Chang-jung Kim, Young-bae Kim, Myoung-jae Lee, Ji-hyun Hur, Dong-soo Lee, Man Chang, Seung-ryul Lee
  • Patent number: 8773888
    Abstract: According to an example embodiment, a method of operating a semiconductor device having a variable resistance device includes: applying a first voltage to the variable resistance device to change a resistance value of the variable resistance device from a first resistance value to a second resistance value that is different from the first resistance value; sensing a first current flowing through the variable resistance device to which the first voltage is applied; determining a second voltage used for changing the variable resistance device from the second resistance value to the first resistance value, based on a dispersion of the sensed first current; and applying the determined second voltage to the variable resistance device.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: July 8, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Man Chang, Young-bae Kim, Chang-jung Kim, Myoung-jae Lee, Seong-jun Park, Ji-hyun Hur, Dong-soo Lee, Chang-bum Lee, Seung-ryul Lee
  • Patent number: 8759103
    Abstract: The present invention provides a polynucleotide delivery system including a cationic polymer to which a rabies virus glycoprotein (RVG) peptide is bound, wherein the cationic polymer includes a biodegradable bond, and a method of delivering polynucleotides to a target cell by using the delivery system.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: June 24, 2014
    Assignee: Postech Academy-Industry Foundation
    Inventors: Won Jong Kim, Do Won Hwang, Dong Soo Lee, Se Jin Son
  • Patent number: 8739117
    Abstract: A method and system for generating a developer interface using a loaded program. The method of generating a developer interface may share a plurality of components included in a loaded program through a communication interface, and generate a new program using components selected from among the plurality of shared components through the developer interface.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: May 27, 2014
    Assignee: NHN Entertainment Corporation
    Inventor: Dong Soo Lee