Patents by Inventor Jin-seung Choi

Jin-seung Choi 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: 10750762
    Abstract: A bio-based N-acetyl-L-methionine and a preparation method thereof, a feed additive containing the N-acetyl-L-methionine, a feed composition containing the feed additive, and a method for raising animals which includes feeding a feed additive containing the N-acetyl-L-methionine or a feed composition containing the feed additive to animals.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: August 25, 2020
    Assignee: CJ Cheiljedang Corporation
    Inventors: Jin Woo Jeon, Jun Ok Moon, Jin Seung Park, Su Jin Choi, Kuk Ki Hong, Jeong Hyun Kim, Hye Min Park, So Yeon Hong
  • Patent number: 10714740
    Abstract: The present invention relates to a cathode active material for lithium secondary battery and a lithium secondary battery including the same, and more specifically it relates to a cathode active material for lithium secondary battery in which the lithium ion diffusion path in the primary particles is formed to exhibit directivity in the center direction of the particles, and a lithium secondary battery including the same. The cathode active material for lithium secondary battery of the present invention has a lithium ion diffusion path exhibiting specific directivity in the primary particles and the secondary particles, and thus not only the conduction velocity of the lithium ion is fast and the lithium ion conductivity is high but also cycle characteristics are improved as the crystal structure hardly collapses despite repeated charging and discharging.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: July 14, 2020
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Jik Soo Kim, Moon Ho Choi, Jin Kyeong Yun, Jae Yong Jung, Suk Yong Jeon, Jong Seung Shin
  • Patent number: 10598425
    Abstract: Disclosed herein is a lifting apparatus and refrigerator having the same, by which a driving motor to generate driving force to vertically move a basket may be miniaturized and the load of the driving motor may be reduced. A refrigerator includes a main body, a storeroom formed inside the main body with an open front, a drawer slidingly coupled with the main body to open or close the storeroom and provided at a lower side thereof with a basket having storage space, and a lifting apparatus moving the basket vertically, wherein the lifting apparatus includes a driving motor, a driving shaft rotated by the driving motor, a lifting unit moving the basket vertically by means of rotational force of the driving shaft, and a coil spring coupled to the driving shaft and transferring energy in a direction in which the driving shaft is rotated to reduce a load of the driving motor, when the driving shaft is rotated to move the basket upward.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Seung Choi, Min Soo Kim, Sung Jin Park
  • Patent number: 10533697
    Abstract: Disclosed is a refrigerator including an ultrathin wall type insulating wall having a reduced thickness while maintaining insulating performance, so as to increase the capacity of a storage chamber. A vacuum insulating material is disposed inside the insulating wall so as to ensure the insulating performance of the insulating wall, and a foam material, in the portion in which the vacuum insulating material is not disposed, is disposed to be thicker than a foam material in the portion in which the vacuum insulating wall is disposed, such that the insulating wall, which maintains insulating performance while maintaining the insulating wall having an overall ultrathin shape, can be formed.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: January 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myung Seob Song, Dae Hwan Kim, Min Soo Kim, Jin Seung Choi
  • Publication number: 20200014427
    Abstract: Disclosed is a communication method using interference alignment in a wireless local area network (WLAN). An access point (AP) according to one embodiment may receive first channel information between a station associated with the AP and the AP and second channel information between the station and a neighboring AP to perform interference alignment in cooperation with the AP from the station, and perform interference alignment based on the first channel information and the second channel information.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Jae Seung LEE, Jin Hyung OH, Gwang Zeen KO, Hyun Duk KANG, Hyoung Jin KWON, Myung Sun SONG, Sok Kyu LEE, Min ho CHEONG, Jae Ick CHOI
  • Patent number: 10522823
    Abstract: The present invention relates to an cathode active material for lithium secondary battery and a lithium secondary battery including the same, and more specifically, it relates to an anode active material for lithium secondary battery which includes a concentration gradient layer having a controlled thickness and a shell layer on the periphery of the core layer of the anode active material having a layered structure and in which the lithium ion diffusion paths in the primary particles and the secondary particles are formed to exhibit directivity in a specific direction, and a lithium secondary battery including the same.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: December 31, 2019
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Jik Soo Kim, Moon Ho Choi, Jin Kyeong Yun, Jae Yong Jung, Suk Yong Jeon, Jong Seung Shin
  • Patent number: 10454534
    Abstract: Disclosed is a communication method using interference alignment in a wireless local area network (WLAN). An access point (AP) according to one embodiment may receive first channel information between a station associated with the AP and the AP and second channel information between the station and a neighboring AP to perform interference alignment in cooperation with the AP from the station, and perform interference alignment based on the first channel information and the second channel information.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: October 22, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Seung Lee, Jin Hyung Oh, Gwang Zeen Ko, Hyun Duk Kang, Hyoung Jin Kwon, Myung Sun Song, Sok Kyu Lee, Min Ho Cheong, Jae Ick Choi
  • Patent number: 10333023
    Abstract: There is provided a semiconductor light emitting device including a conductive substrate, a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked. The contact area between the first electrode layer and the first semiconductor layer is 3% to 13% of the total area of the semiconductor light emitting device, and thus high luminous efficiency is achieved.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pun Jae Choi, Yu Seung Kim, Jin Bock Lee
  • Patent number: 10133104
    Abstract: Disclosed herein are a display device which exhibits superior surface flatness of an upper electrode substrate and excellent sealing effects by performing sealing such that an end of a barrier formed in a front electrode is inserted into the upper electrode having a gel-state, and a method of producing the same. The display device includes a first electrode module comprising a first electrode, a second electrode module including a second electrode, the second electrode module facing the first electrode module, a plurality of barriers formed on the first electrode module, each barrier having an end inserted into the second electrode, a plurality of cavities formed by the first electrode module and the barriers, and an electric field-dependent layer formed in each of the cavities, the electric field-dependent layer having properties changed by an electric field applied between the first electrode module and the second electrode module.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eung Yeoul Yoon, Joo Ho Kim, Jin Seung Choi, Sang Cheol Moon, Hee Yuel Roh
  • Publication number: 20180299060
    Abstract: Disclosed is a refrigerator including an ultrathin wall type insulating wall having a reduced thickness while maintaining insulating performance, so as to increase the capacity of a storage chamber. A vacuum insulating material is disposed inside the insulating wall so as to ensure the insulating performance of the insulating wall, and a foam material, in the portion in which the vacuum insulating material is not disposed, is disposed to be thicker than a foam material in the portion in which the vacuum insulating wall is disposed, such that the insulating wall, which maintains insulating performance while maintaining the insulating wall having an overall ultrathin shape, can be formed.
    Type: Application
    Filed: October 10, 2016
    Publication date: October 18, 2018
    Applicant: Samsung Electromics Co., Ltd.
    Inventors: Myung Seob SONG, Dae Hwan KIM, Min Soo KIM, Jin Seung CHOI
  • Publication number: 20180259246
    Abstract: Disclosed herein is a lifting apparatus and refrigerator having the same, by which a driving motor to generate driving force to vertically move a basket may be miniaturized and the load of the driving motor may be reduced. A refrigerator includes a main body, a storeroom formed inside the main body with an open front, a drawer slidingly coupled with the main body to open or close the storeroom and provided at a lower side thereof with a basket having storage space, and a lifting apparatus moving the basket vertically, wherein the lifting apparatus includes a driving motor, a driving shaft rotated by the driving motor, a lifting unit moving the basket vertically by means of rotational force of the driving shaft, and a coil spring coupled to the driving shaft and transferring energy in a direction in which the driving shaft is rotated to reduce a load of the driving motor, when the driving shaft is rotated to move the basket upward.
    Type: Application
    Filed: March 9, 2018
    Publication date: September 13, 2018
    Inventors: Jin Seung CHOI, Min Soo KIM, Sung Jin PARK
  • Publication number: 20180231294
    Abstract: Disclosed herein are a refrigerator includes an ice making tray, a cooling system, a stirrer, at least a portion of which is submerged in the ice making tray, a stirring motor coupled to the stirrer, and a controller storing instructions and configured to execute the stored instructions to control the stirring motor to drive the stirrer while controlling the cooling system to cool water stored in the ice making tray. While the cooling system cools the water stored in the ice making tray, the stirrer stirs the water stored in the ice making tray.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 16, 2018
    Inventors: Myung-Seob SONG, Jin Seung CHOI, Min Soo KIM, Dae Hwan KIM
  • Patent number: 9934755
    Abstract: A display device which may operate as a reflective display device which uses external light without separate power supply at an illumination level equal to or greater than a certain illumination level, and which may operate as a transmissive display device which uses internal light at an illumination level less than the certain illumination level to provide a clear image in an outdoor environment and a dark indoor environment. Power consumption may be minimized by automatically switching the display mode depending on the illumination level.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: April 3, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee Yuel Roh, Joo Ho Kim, Sang Cheol Moon, Eung Yeoul Yoon, Jun Sung Chung, Jin Seung Choi, In Hak Na
  • Patent number: 9613060
    Abstract: The present invention relates to a location-based service method and system using location data included in image data, particularly to a method and a system of providing the location-based service with photos taken by a camera phone, using location information at the shooting time. The location-based service method according to the present invention, using the image data provided using a terminal equipped with a camera and the location data including the location information of the terminal, comprises the steps of shooting a target image with the terminal at a predetermined location and generating first image data; receiving the location data; including the received location data in the first image data and generating second image data; and displaying an image corresponding to the first image data and providing a service using the location data, if the second image data are selected.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: April 4, 2017
    Assignee: SK TELECOM CO., LTD.
    Inventors: Jin-Seung Choi, Jae-Chul Lim, Jae-Bum Park, Hong-Keun Ji, Jong-Ho Kim, Do-Wan Kim, Hyun-Jun Oh, Dong-Won Na, Won-Hee Sull
  • Publication number: 20160370642
    Abstract: Disclosed herein are a display device which exhibits superior surface flatness of an upper electrode substrate and excellent sealing effects by performing sealing such that an end of a barrier formed in a front electrode is inserted into the upper electrode having a gel-state, and a method of producing the same. The display device includes a first electrode module comprising a first electrode, a second electrode module including a second electrode, the second electrode module facing the first electrode module, a plurality of barriers formed on the first electrode module, each barrier having an end inserted into the second electrode, a plurality of cavities formed by the first electrode module and the barriers, and an electric field-dependent layer formed in each of the cavities, the electric field-dependent layer having properties changed by an electric field applied between the first electrode module and the second electrode module.
    Type: Application
    Filed: March 2, 2015
    Publication date: December 22, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eung Yeoul YOON, Joo Ho KIM, Jin Seung CHOI, Sang Cheol MOON, Hee Yuel ROH
  • Publication number: 20160212463
    Abstract: Disclosed is a method and a system for realizing a Pay Per View (PPV) purchasing mechanism.
    Type: Application
    Filed: December 22, 2015
    Publication date: July 21, 2016
    Applicant: SK Planet Co., Ltd.
    Inventors: Jong Ho KIM, Do Wan KIM, Chang Il KIM, Jin Seung CHOI, Min Seok KIM, Sang Yun LEE
  • Publication number: 20160187715
    Abstract: Disclosed herein is a display apparatus including a liquid crystal panel in which a liquid crystal material is filled between a display substrate and a rear substrate. A light reflection prevention pattern to suppress reflection of light incident from the rear side is formed at a rear surface of a display substrate, such that the quantity of light passing through the display substrate and transferred to the front of the display apparatus increases, thus improving visibility of the display apparatus.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Jin Seung CHOI, Joo Ho KIM
  • Publication number: 20150138214
    Abstract: A display device which may operate as a reflective display device which uses external light without separate power supply at an illumination level equal to or greater than a certain illumination level, and which may operate as a transmissive display device which uses internal light at an illumination level less than the certain illumination level to provide a clear image in an outdoor environment and a dark indoor environment. Power consumption may be minimized by automatically switching the display mode depending on the illumination level.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 21, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hee Yuel ROH, Joo Ho Kim, Sang Cheol Moon, Eung Yeoul Yoon, Jun Sung Chung, Jin Seung Choi, In Hak Na
  • Patent number: 8995894
    Abstract: An image fusing apparatus includes a heating belt including a resistance heating layer, an insulating layer formed on an inner surface of the resistance heating layer, and a release layer formed on an outer surface of the resistance heating layer; a heating supporting roller disposed (positioned) inside the heating belt and rotating with the heating belt; a pressing roller disposed (positioned) parallel to the heating supporting roller and in contact with the outer surface of the heating belt to form a nip; and an electricity supplying member to supply electricity to the resistance heating layer of the heating belt. A thickness of paper non-contact areas of opposite side end portions of the resistance heating layer of the heating belt is the same as or thicker than the thickness of a paper contact area of a middle portion of the resistance heating layer thereof.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: March 31, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee-moon Jeong, Jin-seung Choi, Eun-bong Han, Keon Kuk, Young-min Cheong, Mu-kun An
  • Patent number: 8644749
    Abstract: A surface heating type heating unit for a fixing device, and a fixing device and an image forming apparatus including the same. The surface heating type heating unit includes a planar heating element on an outer circumferential surface of a supporter having cylindrical shape, a power feeding terminal at each end of the supporter, and a connector disposed between the planar heating element and the power feeding terminal. The connector is formed on a first region on the power feeding terminal, and includes an adhesive material for adhering the planar heating element and the power feeding terminal, and a conductive material formed on a second region of the power feeding terminal excluding the first region.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-seung Choi, Youn-gun Jung, O-hyun Beak, Soo-hwan Bae, Young-hoon Han, Su-in Lee, Eun-bong Han