Patents by Inventor Min Gu

Min Gu 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).

  • Data storage device, operation method for preventing read disturbance thereof, and storage system using the same
    Patent number: 10671321
    Abstract: A data storage device includes a storage unit configured to include a storage area divided into a plurality of blocks, a buffer memory unit configured to temporarily store data inputted/outputted from/to the storage unit, and a controller configured to write data in the storage unit or read the data from the storage unit at a request of a host device, and to determine disturbance risk for each of the plurality of blocks based on a prescribed reference and control a block determined as a disturbance risk block not to be accessed in a read operation when the data is read from the storage unit.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: June 2, 2020
    Assignee: SK hynix Inc.
    Inventor: Min Gu Kang
  • Lithium secondary battery
    Patent number: 10644306
    Abstract: A lithium secondary battery comprises a cathode active material including a first cathode active material particle having a concentration gradient region and a second cathode active material particle having a single particle structure, to obtain improved electrical performance and mechanical stability.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: May 5, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Young Hoon Do, Yong Hyun Cho, Min Gu Kang, Soo Ho Kim
  • LITHIUM SECONDARY BATTERY
    Publication number: 20200127276
    Abstract: A lithium secondary battery includes a cathode including a cathode current collector, and a first cathode active material layer and a second cathode active material layer sequentially formed on the cathode current collector, an anode, and a separation layer interposed between the cathode and the anode. The first cathode active material layer and the second cathode active material layer include a first cathode active material particle and a second cathode active material particle, respectively, which have different compositions or crystalline structures from each other, and the first cathode active material particle and the second cathode active material particle include lithium metal oxides containing nickel. The second cathode active material particle has a single particle structure.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 23, 2020
    Inventors: Soo Ho KIM, Min Gu KANG
  • Media, systems and methods for optical data storage
    Patent number: 10614848
    Abstract: Provided are media, systems and methods for optical data storage. A nanocomposite material for use as an optical data recording medium comprises nanoparticles embedded in a host matrix, wherein the host matrix comprises a material having a high structural stability, and the nanoparticles comprise optical functional components having a first physical or chemical state and a property of permanent transition to a second physical or chemical state upon exposure to corresponding optical radiation, whereby information may be recorded in the first and second physical or chemical states of the optical functional components over an extended time period.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: April 7, 2020
    Assignee: Shanghai Naguang Information Technology Corp.
    Inventors: Min Gu, Yaoyu Cao, Zongsong Gan, Xiangping Li, Benjamin Mashford, Haoran Ren, Qiming Zhang
  • FLUORESCENCE LIFETIME MEASUREMENT DEVICE FOR ANALYZING MULTI-EXPONENTIAL DECAY FUNCTION TYPE EXPERIMENTAL DATA AT HIGH SPEED AND MEASUREMENT METHOD THEREFOR
    Publication number: 20200088638
    Abstract: A fluorescence lifetime measuring apparatus according to an embodiment of the present invention includes: an irradiation light generator configured to generate irradiation light; a fluorescence photon detector configured to irradiate at least one or more samples, containing fluorescent molecules, with the irradiation light and collect a fluorescence photon generated by the irradiation; a converter configured to amplify the fluorescence photon and convert the amplified fluorescence photon into a fluorescence signal; and a measurer configured to analyze data of a function of the fluorescence signal by using a function obtained by multiplying a value, which is obtained by integrating the function of the fluorescence signal, by a simulation function.
    Type: Application
    Filed: November 17, 2017
    Publication date: March 19, 2020
    Applicants: YONSEI UNIVERSITY INDUSTRY FOUNDATION (YONSEI UIF), INTEKPLUS CO.,LTD.
    Inventors: Dug Young KIM, Won Sang HWANG, Dong Eun KIM, Min Gu KANG
  • APPARATUS AND METHOD FOR MEASURING THREE-DIMENSIONAL SHAPE
    Publication number: 20200080838
    Abstract: An apparatus for measuring a three-dimensional shape according to an embodiment of the present invention includes a measurement plane on which a measurement target is mounted, a light source configured to illuminate the measurement target, a lens configured to transmit light emitted from the light source, and an image acquisition means configured to capture an image reflected from a surface of the measurement target. The lens and the image acquisition means are arranged so that a focal region formed by the lens and the image acquisition means may coincide with a plane on which the light forms a shape.
    Type: Application
    Filed: November 9, 2017
    Publication date: March 12, 2020
    Applicant: INTEKPLUS CO.,LTD.
    Inventors: Sang Yoon LEE, Min Gu KANG, Hyun Min LEE, Jai Ho SON
  • NONVOLATILE MEMORY DEVICE, DATA STORAGE DEVICE INCLUDING THE SAME AND OPERATING METHOD THEREOF
    Publication number: 20200073804
    Abstract: A nonvolatile memory device may include a plurality of dies. Each of the plurality of dies may store mapping information of logical block addresses which are previously assigned. When a composite read command and location information indicating where mapping information of a logical block address is stored are received from a controller, a target die corresponding to the logical block address among the plurality of dies may perform a first operation of translating the logical block address to a physical block address based on the location information, and a second operation of reading user data stored in a region of the translated physical block address and outputting the read user data to the controller.
    Type: Application
    Filed: August 2, 2019
    Publication date: March 5, 2020
    Inventors: Min Hwan MOON, Min Gu KANG
  • MEMORY CONTROLLER, MEMORY SYSTEM HAVING THE MEMORY CONTROLLER, AND OPERATING METHOD OF THE MEMORY CONTROLLER
    Publication number: 20200065026
    Abstract: A memory system includes a memory device for storing data; and a memory controller performing a program operation on the memory device by using one of a first program mode and a second program mode. The memory controller counts a number of program operations performed by using the first program mode in which a ratio of dummy data to program data is greater than or equal to a predetermined value; and changes the program mode to the second program mode from the first program mode, when the counted number is greater than or equal to a predetermined number.
    Type: Application
    Filed: May 6, 2019
    Publication date: February 27, 2020
    Inventors: Min Gu KANG, Han Choi
  • DISPLAY DEVICE
    Publication number: 20200068725
    Abstract: A display device includes: a panel assembly including a display panel; a bracket to which the panel assembly is attached; and a buffer layer between the panel assembly and the bracket, and the buffer layer includes: a first portion having a first elastic modulus; and a second portion surrounded by the first portion and having a second elastic modulus that is less than the first elastic modulus.
    Type: Application
    Filed: August 5, 2019
    Publication date: February 27, 2020
    Inventors: Dong Jin PARK, Han Sun RYOU, Min Gu KIM
  • Duct type air conditioning device and method for assembling and disassembling the same
    Patent number: 10571151
    Abstract: A duct type air conditioning apparatus is provided with a blowing portion including a first cabinet in which a blower assembly is installed and a heat exchanging portion including a second cabinet in which a heat exchanger is installed. The air conditioning apparatus includes a partition panel arranged between the first and second cabinets and connected to facing sides of the first and second cabinet, and first and second link members separably fastened along an upper end and a lower end of the partition panel to keep an airtight seal in a connection portion between the first and second cabinets.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-jin Kwon, Min-gu Jeon, Do-yeon Kim, Hyun-ho Kim, Chul-byung Park, Bu-youn Lee
  • DATA STORAGE DEVICE AND OPERATING METHOD THEREOF
    Publication number: 20200042249
    Abstract: A data storage device may include: a nonvolatile memory device; and a controller configured to control a read operation of the nonvolatile memory device, wherein the controller includes: a memory configured to store workload pattern information; and a processor configured to check a workload pattern in a first period based on the workload pattern information, and decide on a read mode to be performed in a second period following the first period, according to the workload pattern of the first period.
    Type: Application
    Filed: July 15, 2019
    Publication date: February 6, 2020
    Inventors: Min Gu KANG, Jin Soo KIM
  • LITHIUM SECONDARY BATTERY
    Publication number: 20200014022
    Abstract: A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separation layer interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide in which at least one metal forms a concentration gradient. The second cathode active material particle includes primary particles having different shapes or crystalline structures from each other.
    Type: Application
    Filed: July 8, 2019
    Publication date: January 9, 2020
    Inventors: Min Gu KANG, Soo Ho KIM, Young Hoon DO, Yong Hyun CHO
  • LIGHT EMITTING DEVICE
    Publication number: 20200006611
    Abstract: A light emitting device includes a substrate extending in a first direction and a second direction, first through fourth light emitting structures spaced apart from each other in the first and second direction and arranged in a matrix form on the substrate, a plurality of first interconnection layer structures connecting the first light emitting structure to the second light emitting structure, a second interconnection layer structure connecting the second light emitting structure to the third light emitting structure, and a plurality of third interconnection layer structures connecting the third light emitting structure to the fourth light emitting structure.
    Type: Application
    Filed: March 20, 2019
    Publication date: January 2, 2020
    Inventors: Min-gu Ko, Jung-hee Kwak, Young-ho Ryoo, Seong-seok Yang, Sang-seok Lee, Seung-wan Chae
  • LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20190393479
    Abstract: A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separation layer interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a concentration gradient and has a secondary particle structure formed from an assembly of primary particles. The second cathode active material particle includes a lithium metal oxide having a single particle structure. The first and second cathode active material particles each includes at least two metals except from lithium, and an amount of nickel is the largest among those of the metals in each of the first and second cathode active material particles.
    Type: Application
    Filed: June 20, 2019
    Publication date: December 26, 2019
    Inventors: Soo Ho KIM, Min Gu KANG, Young Hoon DO, Yong Hyun CHO
  • Data storage apparatus and operating method thereof
    Patent number: 10515693
    Abstract: A data storage apparatus includes a nonvolatile memory device including a first memory region and a second memory region and a controller configured to control a write operation of the nonvolatile memory device. The controller includes a memory configured to store at least one or more write requests and address information for the write requests received from a host apparatus and a processor configured to collect address information corresponding to a preset sampling range among the address information as a first sampling address, determine continuity between the collected address information of the first sampling address, and control the nonvolatile memory device to store data corresponding to all or a portion of the write requests for the address information of the first sampling address in the first memory region based on a determination result.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: December 24, 2019
    Assignee: SK hynix Inc.
    Inventors: Se Ho Lee, Min Gu Kang
  • APPARATUS AND METHOD FOR MEASURING FLUORESCENCE LIFETIME
    Publication number: 20190383740
    Abstract: A fluorescence lifetime measurement apparatus according to an embodiment of the present invention includes an illumination light generation unit that generates illumination light, a fluorescence photon detection unit that collects fluorescence photons generated by illuminating a sample including fluorescent molecules with the illumination light, a conversion unit that converts the collected fluorescence photons into a first clock signal and converts illumination light that does not pass through the sample into a second clock signal, a first module that analyzes a fluorescence lifetime of the collected fluorescence photons from the conversion unit, a control unit that designates a range of interest (ROI) of the sample from the first module, and a second module that analyzes a fluorescence lifetime of fluorescence photons corresponding to the ROI.
    Type: Application
    Filed: November 17, 2017
    Publication date: December 19, 2019
    Applicants: INTEKPLUS CO.,LTD., OSONG MEDICAL INNOVATION FOUNDATION
    Inventors: Sang Yoon LEE, Min Gu KANG, Young Jae WON, Seung Rag LEE, Byung Jun PARK, Byung Yeon KIM
  • LITHIUM COMPOSITE PHOSPHATE-BASED COMPOUND AND PREPARATION METHOD THEREFOR
    Publication number: 20190367367
    Abstract: Provided is a porous lithium composite phosphate-based compound containing lithium and having open pores formed in primary particles. As the open pores are formed in the primary particles themselves, a contact area between an electrolyte and the lithium composite phosphate-based compound is maximized, and low conductivity is compensated for, such that a diffusion rate of lithium ions is remarkably increased, and when the lithium composite phosphate-based compound is used as an active material of a secondary battery, the secondary battery may be charged and discharged at a high speed. Additionally, there are advantages in that an electrode density may be significantly increased in addition to the increase in the diffusion rate of the lithium ions, and charge and discharge cycle characteristics may be significantly stable.
    Type: Application
    Filed: August 14, 2019
    Publication date: December 5, 2019
    Inventors: Min Gu KANG, Seong Ho LEE, Jung In YEON, Kook Hyun HAN, Jung Hwan KIM
  • Electronic apparatus, system, and control method thereof
    Patent number: 10456039
    Abstract: An electronic apparatus includes: a connector which is configured to enable one of measurement devices for measuring different types of bio signals to be selectively attached thereto or detached therefrom; a communication device configured to communicate with an external apparatus; and a processor configured to, in response to the measurement device being attached to the connector, obtain identification information of the attached measurement device and transmit the identification information to the external apparatus, and control the attached measurement device based on a control command received from the external apparatus.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: October 29, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seoung-hun Kim, Sung-chan Ko, Hyun-woo Koh, Min-gu Lee, Seung-bin Im
  • DATA STORAGE DEVICE, OPERATION METHOD FOR PREVENTING READ DISTURBANCE THEREOF, AND STORAGE SYSTEM USING THE SAME
    Publication number: 20190324688
    Abstract: A data storage device includes a storage unit configured to include a storage area divided into a plurality of blocks, a buffer memory unit configured to temporarily store data inputted/outputted from/to the storage unit, and a controller configured to write data in the storage unit or read the data from the storage unit at a request of a host device, and to determine disturbance risk for each of the plurality of blocks based on a prescribed reference and control a block determined as a disturbance risk block not to be accessed in a read operation when the data is read from the storage unit.
    Type: Application
    Filed: October 9, 2018
    Publication date: October 24, 2019
    Inventor: Min Gu KANG
  • FLUORESCENCE LIFETIME MEASUREMENT APPARATUS AND METHOD CAPABLE OF FINDING TWO OR MORE FLUORESCENCE LIFETIME COMPONENTS BY COMPUTING LEAST SQUARE ERROR THROUGH VIRTUAL FLUORESCENCE DISTRIBUTION MODEL FROM SIGNAL COLLECTED IN ANALOG MEAN DELAY METHOD
    Publication number: 20190310198
    Abstract: A fluorescence lifetime measurement apparatus according to an embodiment of the present invention includes an illumination light generation unit configured to generate illumination light, a fluorescence photon detection unit configured to collect a fluorescence signal of fluorescence photons generated by illuminating at least one or more samples including fluorescent molecules with the illumination light; and a measurement unit configured to compute a fluorescence lifetime by applying a least square method to a simulation function and a function of the fluorescence signal.
    Type: Application
    Filed: November 17, 2017
    Publication date: October 10, 2019
    Applicants: YONSEI UNIVERSITY INDUSTRY FOUNDATION (YONSEI UIF), INTEKPLUS CO.,LTD.
    Inventors: Dug Young KIM, Won Sang HWANG, Dong Eun KIM, Min Gu KANG