Patents by Inventor In-jeong CHO

In-jeong CHO 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).

  • Method for transmitting short messages in a broadband wireless access system
    Patent number: 9215573
    Abstract: The present invention relates to a method enabling a base station and a terminal to reliably transmit short messages in a broadband wireless access system. According to one embodiment of the present invention, the method wherein a terminal receives a short message service (SMS) in a broadband wireless access system comprises the following steps: transmitting a first message for carrying out ranging to a base station; receiving a second message, which comprises SMS information and uplink resource allocation information for the transmission of a third message, from the base station as a response to the first message; and transmitting a third message, which indicates the state of the reception of the second message, to the base station by means of uplink resources which are indicated by the uplink resources allocation information.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: December 15, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Young Soo Yuk, Yong Ho Kim, Ki Seon Ryu
  • METHOD FOR EFFICIENTLY PERFORMING INITIAL ACCESS IN A MULTI-CARRIER BROADBAND WIRELESS ACCESS SYSTEM
    Publication number: 20150351083
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Application
    Filed: August 11, 2015
    Publication date: December 3, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: In Uk JUNG, Ki Seon RYU, Jeong Ki KIM, Hee Jeong CHO, Yong Ho KIM, Young Soo YUK
  • Method for preparing carbon fiber and precursor fiber for carbon fiber
    Patent number: 9187847
    Abstract: The method for preparing a carbon fiber of the present invention includes the steps of: preparing a polyacrylonitrile-based polymer solution; spinning the polyacrylonitrile-based polymer solution to prepare a precursor fiber for a carbon fiber, the precursor fiber having a water content of 20-50%; converting the precursor fiber for a carbon fiber into a preliminary flame-retarded fiber while stretching the precursor fiber for a carbon fiber at an elongation rate of ?10˜?0.1% or 0.1˜5% at 180˜220° C. in air; converting the preliminary flame-retarded fiber into a flame-retardant fiber while stretching the preliminary flame-retarded fiber at an elongation rate of ?5˜5% at 200˜300° C. in air; and heating the flame-retardant fiber under an inert atmosphere to carbonize the flame-retardant fiber.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: November 17, 2015
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Joon Young Yoon, Eun Jeong Cho
  • Composition for gene delivery
    Patent number: 9173853
    Abstract: Disclosed is a pharmaceutical composition for gene delivery, comprising: (i) a gene; (ii) a water-soluble chitosan; (iii) a thiamine pyrophosphate or a pharmaceutically acceptable salt thereof; (iv) a protamine or a pharmaceutically acceptable salt thereof; and (v) a neutral or anionic phospholipid. The composition can introduce a gene into cells safely and effectively. Composed of non-toxic and injectable components, the composition is safe for the body and can be advantageously commercialized. Notably, it can deliver a gene at high efficiency in vivo as well as in vitro, and is stable in the blood.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: November 3, 2015
    Assignee: Chong Kun Dang Pharmaceutical Corp.
    Inventors: Young Nam Lee, Ho Young Hwang, Sang Myoung Noh, Hee-Jeong Cho, Ah-Reum Chae, Ji Hee Lee, Min Hyo Ki, Jong Lae Lim
  • Method and apparatus for allocating resources in wireless communication system
    Patent number: 9166761
    Abstract: The present invention relates to a method and apparatus for transmitting a bandwidth request (BR) header in a wireless communication system. User equipment transmits a standalone BR header to a base station through a first uplink (UL) resource allocated by a BR-acknowledgement (ACK) A-MAP information element (IE), receives from the base station a hybrid automatic repeat request (HARQ)-non-acknowledgement (NACK) which indicates the base station has not successfully received the standalone BR header, receives a CDMA allocation A-MAP IE from the base station, and retransmits the standalone BR header through a second UL resource allocated by the CDMA allocation A-MAP IE.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: October 20, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hee Jeong Cho, Young Soo Yuk
  • Method and device for transmitting data through client cooperation in wireless communication system
    Patent number: 9161288
    Abstract: Provided are a method and a device for transmitting data through client cooperation in a wireless communication system. A cooperative device of the client cooperation receives uplink (UL) data from a source device through a frame of a first system, and if the UL data is the data to be transmitted to a base station of the second system, transmits the UL data to the second system. In addition, when receiving downlink (DL) data from the base station of the second system, and the DL data is data to be transmitted to the source device, the DL data is transmitted to the source device through the frame of the first system.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: October 13, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hee Jeong Cho, Eun Jong Lee, Young Soo Yuk
  • Method for efficiently performing initial access in a multi-carrier broadband wireless access system
    Patent number: 9137793
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: September 15, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: In Uk Jung, Ki Seon Ryu, Jeong Ki Kim, Hee Jeong Cho, Yong Ho Kim, Young Soo Yuk
  • Composite anode active material, anode and lithium battery comprising the material, and method of preparing the same
    Patent number: 9112221
    Abstract: A composite anode active material, an anode and a lithium battery each including the composite anode active material, and a method of preparing the composite anode active material. The composite anode active material includes a composite core, and a coating layer covering at least a region of the composite core, wherein the composite core includes a carbonaceous substrate and a metal/semi-metal nanostructure on the carbonaceous substrate, the coating layer is more predominant on the nanostructure than on the carbonaceous substrate, and the coating layer includes a metal oxide.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: August 18, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Park, Jae-Myung Kim, So-Ra Lee, Ui-Song Do, Chang-Su Shin, Yu-Jeong Cho, Su-Kyung Lee
  • Negative active material, and negative electrode and lithium battery each including the negative active material
    Patent number: 9105922
    Abstract: A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: August 11, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yu-Jeong Cho, Sang-Eun Park, So-Ra Lee, Su-Kyung Lee, Ui-Song Do, Chang-Su Shin, Jae-Myung Kim
  • Composite anode active material, anode and lithium battery containing the same, and method of preparing the composite anode active material
    Patent number: 9105920
    Abstract: In an aspect, a composite anode active material including: a porous particles, said porous particles including: a plurality of composite nanostructures; and a first carbonaceous material binding the composite nanostructures, wherein the porous particles have pores within the particle, and wherein the composite nanostructures include a crystalline second carbonaceous material substrate including at least one carbon nano-sheet, and a plurality of metal nanowires arranged at intervals on the crystalline second carbonaceous material substrate is disclosed.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: August 11, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chang-Su Shin, Jae-Myung Kim, So-Ra Lee, Yu-Jeong Cho, Su-Kyung Lee, Ui-Song Do, Sang-Eun Park, Ha-Na Yoo
  • Method and apparatus for allocating bandwidth request channel in wireless communication system including relay station
    Patent number: 9094952
    Abstract: A method and apparatus of allocating a bandwidth request channel (BRCH) in a wireless communication system including a relay station (RS) is provided. At least one first BRCH for a bandwidth request of a mobile station (MS) connected to a base station (BS) and at least one second BRCH for a bandwidth request of the RS are allocated. An opportunity index is assigned to each of the at least one first BRCH and the at least one second BRCH, and the opportunity index assigned to the at least one second BRCH is started after the opportunity index assigned to the at least one first BRCH.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: July 28, 2015
    Assignee: LG Electronics Inc.
    Inventors: Jin Young Chun, Jin Sam Kwak, Hee Jeong Cho, Bin Chul Ihm, Young Soo Yuk
  • Method of allocating resource-area in wireless access system
    Patent number: 9084248
    Abstract: A method of allocating a radio resource in a wireless access system is disclosed. The method includes receiving a control message associated with radio resource allocation for transmitting uplink data to the base station, wherein the control message comprises a first persistent uplink allocation information element comprising first resource allocation information associated with a first resource allocation region for transmitting the uplink data of a mobile station and transmitting an acknowledgment (ACK) message from the mobile station to the base station in response to successfully receiving the first persistent uplink allocation information element.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: July 14, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Jeong Ki Kim, Ki Seon Ryu, Hee Jeong Cho, Jae Won Lim, Ae Ran Youn
  • ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE
    Publication number: 20150188073
    Abstract: An organic electroluminescent device and organic electroluminescent display device having enhanced efficiency are discussed. In one example, the organic electroluminescent device includes first and second electrodes facing each other on a substrate and at least two emission layers formed between the first and second electrodes and realizing blue light, wherein, among the emission layers, a first blue emission layer close to the first electrode includes a first blue dopant having a different maximum luminescence wavelength than that of a second blue dopant of a second blue emission layer close to the second electrode.
    Type: Application
    Filed: December 2, 2014
    Publication date: July 2, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventors: So-Yeon AHN, Chang-Wook HAN, Hong-Seok CHOI, Seung-Ryong JOUNG, Gwi-Jeong CHO, Hee-Dong CHOI
  • Organic light emitting display device having auxiliary charge generation layer
    Patent number: 9048447
    Abstract: An organic light emitting display device with improved lifespan is disclosed. The organic light emitting display device includes first and second electrodes facing each other on a substrate, at least two light emitting units formed between the first and second electrodes, an N-type charge generation layer and a P-type charge generation layer sequentially stacked between the light emitting units, and at least one auxiliary charge generation layer formed between at least any one of the P-type charge generation layer and the N-type charge generation layer and an emitting layer of the light emitting unit disposed on an upper or lower portion of the at least any one thereof and generating electrons and holes supplied to the emitting layer of the light emitting unit.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: June 2, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Gwi-Jeong Cho, Jae-Man Lee, Jeong-Haeng Heo, So-Yeon Ahn, Tae-Shick Kim, Hee-Dong Choi
  • Bandwidth request preamble sequence selection method and random access method
    Patent number: 9025519
    Abstract: The present invention relates to a bandwidth request preamble sequence selecting method for bandwidth requests on a wireless access system, and to a random access procedure using the same. Also, the present invention relates to devices supporting the random access procedure. In one example of the present invention, the method for randomly accessing a wireless access system may comprise the steps of: receiving a first message containing a predefined bandwidth request index from a base station; selecting a bandwidth request preamble sequence from the predefined bandwidth request index on the basis if the properties of uplink data to be transmitted by a mobile terminal; transmitting a second message containing a predefined bandwidth request index to the base station; and transmitting the selected bandwidth request preamble sequence to the base station.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: May 5, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hee Jeong Cho, Young Soo Yuk, Ki Seon Ryu, Sung Ho Park, Jin Young Chun, Yong Ho Kim
  • Method and apparatus for transmitting and receiving system information update control information in wireless communication system
    Patent number: 9019879
    Abstract: The present invention relates to a method and apparatus for transmitting and receiving system information update control information in a sleep mode in a wireless communication system. According to one aspect of the present invention, a method in which a terminal in a sleep mode receives system information update control information in a wireless communication system comprises: receiving, by the terminal from a base station, system information update control information including information on whether or not each of a plurality of secondary super frame header subpacket information elements (hereinafter, referred to as “S-SFH SP IEs”) is changed during a listening window; and receiving a changed S-SFH SP IE using the system information update control information.
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: April 28, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hee Jeong Cho, Ki-Seon Ryu
  • NOVEL COMPOSITION FOR GENE DELIVERY
    Publication number: 20150110876
    Abstract: Disclosed is a pharmaceutical composition for gene delivery, comprising: (i) a gene; (ii) a water-soluble chitosan; (iii) a thiamine pyrophosphate or a pharmaceutically acceptable salt thereof; (iv) a protamine or a pharmaceutically acceptable salt thereof; and (v) a neutral or anionic phospholipid. The composition can introduce a gene into cells safely and effectively. Composed of non-toxic and injectable components, the composition is safe for the body and can be advantageously commercialized. Notably, it can deliver a gene at high efficiency in vivo as well as in vitro, and is stable in the blood.
    Type: Application
    Filed: November 9, 2012
    Publication date: April 23, 2015
    Applicant: Chong Kun Dang Pharmaceutical Corp.
    Inventors: Young Nam Lee, Ho Young Hwang, Sang Myoung Noh, Hee-Jeong Cho, Ah-Reum Chae, Ji Hee Lee, Min Hyo Ki, Jong Lae Lim
  • Method for requesting emergency service at mobile station in a wireless communication system
    Patent number: 9008606
    Abstract: A method for requesting an emergency service to a base station and a mobile station using the same are disclosed. During initial network entry, a mobile station may transmit an emergency message to a base station using an emergency Flow Identifier (FID), and receive from the base station information about resources allocated according to a default service flow parameter predefined for the emergency service by the base station. The mobile station may transmit to the base station a ranging request message including an emergency service indicator indicating an emergency service request, and receive from the base station a ranging response message including an emergency FID allocated by the BS as a response to the emergency service request. The emergency FID is the emergency FID received in the ranging response message.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: April 14, 2015
    Assignee: LG Electronics Inc.
    Inventors: Ae Ran Youn, Yong Ho Kim, Ki Seon Ryu, Hee Jeong Cho, Young Soo Yuk
  • ULTRASOUND DIAGNOSTIC APPARATUS AND METHOD OF OPERATING THE SAME
    Publication number: 20150065881
    Abstract: An ultrasound diagnostic apparatus includes a communicator configured to receive a signal from an ultrasound probe including a plurality of sensors, and a controller configured to acquire a plurality of data sets corresponding to sensing results of the plurality of sensors from the signal, and perform a predetermined operation corresponding to a combination of the plurality of data sets.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Applicants: SAMSUNG MEDISON CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong CHO, Hyun PARK
  • ULTRASOUND PROBE AND METHOD OF OPERATING THE SAME
    Publication number: 20150065882
    Abstract: An ultrasound probe connected to various diagnostic apparatuses and a method of operating the ultrasound probe. The includes transmitting an ultrasound signal to an object and receiving a response signal reflected from the object; acquiring information regarding a diagnostic apparatus connected to the ultrasound probe; determining a type of data that may be processed by the diagnostic apparatus based on the information regarding the diagnostic apparatus; generating transmission data corresponding to the determined type of data from the response signal; and transmitting the transmission data to the diagnostic apparatus.
    Type: Application
    Filed: September 3, 2014
    Publication date: March 5, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong CHO, Se-tae KIM, Ho-san HAN