Patents by Inventor Il Roh

Il Roh 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: 11778537
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: October 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jeong Shim, Won-Il Roh
  • Publication number: 20230156567
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Application
    Filed: January 13, 2023
    Publication date: May 18, 2023
    Inventors: Jae-Jeong SHIM, Won-Il ROH
  • Publication number: 20230094962
    Abstract: Disclosed are an anode for a lithium secondary battery, a lithium secondary battery including the anode, and a manufacturing method thereof. In particular, the anode includes a lithium metal layer and an interfacial layer made of phosphorous-doped graphitic carbon nitride and a single ion conducting polymer.
    Type: Application
    Filed: August 30, 2022
    Publication date: March 30, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Korea Advanced Institute of Science and Technology
    Inventors: Jong Chan Song, Jae Wook Shin, Seong Min Ha, Seung Jong Lee, Won Keun Kim, Kyoung Han Ryu, Hee Tak Kim, Young Il Roh
  • Patent number: 11558806
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: January 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jeong Shim, Won-Il Roh
  • Publication number: 20220367854
    Abstract: An anode for a lithium rechargeable battery includes an interphase layer made of phosphorus-doped graphitic carbon nitride. The anode includes a lithium metal layer and an interphase layer provided on the lithium metal layer, in which the interphase layer includes phosphorus-doped graphitic carbon nitride. The interphase layer induces the lithium growth in a plane direction and reduces the growth of dendrites and decomposition of an electrolyte.
    Type: Application
    Filed: November 24, 2021
    Publication date: November 17, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Chan Song, Jae Wook Shin, Ji Yong Lee, Seong Min Ha, Hee Tak Kim, Young Il Roh
  • Patent number: 11450894
    Abstract: A lithium metal secondary battery including: an electrode assembly including a positive electrode, a lithium metal negative electrode, a separator interposed between the positive electrode and the lithium metal negative electrode, a protective layer interposed between the lithium metal negative electrode and the separator; and a non-aqueous electrolyte injected to the electrode assembly, wherein the protective layer includes a polymer having a sulfur chain group. A battery module including the lithium metal secondary battery is also disclosed.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: September 20, 2022
    Assignees: LG ENERGY SOLUTION, LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong-Keon Yoon, Kyung-Hwa Woo, Hyun-Jun Choi, Hye-Jin Lee, Hoe-Jin Hah, Hee-Tak Kim, Young-Il Roh, Hyun-Soo Jin
  • Patent number: 11147119
    Abstract: Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the UE includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: October 12, 2021
    Assignee: UNWIRED PLANET INTERNATIONAL LIMITED
    Inventors: Hyun-Jeong Kang, Won-Il Roh, Jae-Hee Cho, Jung-Je Son, Byung-Wook Jun
  • Publication number: 20210274427
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Application
    Filed: May 17, 2021
    Publication date: September 2, 2021
    Inventors: Jae-Jeong SHIM, Won-Il ROH
  • Patent number: 11012918
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: May 18, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jeong Shim, Won-Il Roh
  • Patent number: 10757751
    Abstract: Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the UE includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: August 25, 2020
    Assignee: Unwired Planet International Limited
    Inventors: Hyun-Jeong Kang, Won-Il Roh, Jae-Hee Cho, Jung-Je Son, Byung-Wook Jun
  • Publication number: 20200243919
    Abstract: A lithium metal secondary battery including: an electrode assembly including a positive electrode, a lithium metal negative electrode, a separator interposed between the positive electrode and the lithium metal negative electrode, a protective layer interposed between the lithium metal negative electrode and the separator; and a non-aqueous electrolyte injected to the electrode assembly, wherein the protective layer includes a polymer having a sulfur chain group. A battery module including the lithium metal secondary battery is also disclosed.
    Type: Application
    Filed: May 10, 2019
    Publication date: July 30, 2020
    Applicants: LG CHEM, LTD., Korea Advanced Institute of Science and Technology
    Inventors: Jong-Keon YOON, Kyung-Hwa WOO, Hyun-Jun CHOI, Hye-Jin LEE, Hoe-Jin HAH, Hee-Tak KIM, Young-Il ROH, Hyun-Soo JIN
  • Publication number: 20190387454
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Application
    Filed: August 27, 2019
    Publication date: December 19, 2019
    Inventors: Jae-Jeong SHIM, Won-Il ROH
  • Patent number: 10506495
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller con figured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: December 10, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jeong Shim, Won-Il Roh
  • Patent number: 10440632
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Jeong Shim, Won-Il Roh
  • Patent number: 10419925
    Abstract: A method and a device for managing mobility of a mobile station in an Internet Protocol (IP) based network are provided. The method includes receiving a request for allocation of an IP address from an application, determining a type of IP address to be allocated to the application based on the request for the allocation of the IP address, and allocating the determined type of IP address to the application.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: September 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Shin Park, Yegin Alper, Dae-Gyun Kim, Won-Il Roh, Yeong-Moon Son
  • Patent number: 10350487
    Abstract: A method of automatically targeting a target object, the method including setting a target range including a designated distance from a user-controlled character and a designated horizontal angle centering at a location of the character, selecting at least one target object included in the set target range, and displaying a shape distinguishable from a shape of the target object at a location near the at least one selected target object, wherein the target object is an object the character is able to attack from among objects in a computer game.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: July 16, 2019
    Assignee: WE MADE IO CO., LTD.
    Inventors: Hoon Seok, Kyu Il Roh, Sung Hee Kim, Kwang Soo Lee, Young Hoon Lee
  • Patent number: 10159059
    Abstract: Disclosed is a system and a method of signal transmission/reception by a mobile station in a wireless communication system. The method includes: transmitting a first sub-band preparation indicator, which indicates that the mobile station has been prepared for transmission/reception of a signal through a first sub-band, to a base station through a primary band; transmitting a first sub-band failure indicator to the base station through the primary band upon detecting failure in transmitting the first sub-band preparation indicator; receiving sub-band information on a second sub-band, which is different from the first sub-band, from the BS through the primary band; and acquiring synchronization with the second sub-band, so as to enable transmission/reception of a signal through the second sub-band based on the sub-band information.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: December 18, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Jeong Kang, Won-Il Roh, Jae-Hee Cho, Jung-Je Son, Byung-Wook Jun, Sung-Jin Lee, Jae-Hyuk Jang, Young-Bin Chang, Chang-Yoon Oh, Yeong-Moon Son
  • Publication number: 20180255502
    Abstract: A circuit includes a controller to determine whether to prohibit entry of an end unit to a base station in a wireless communication network, the controller configured to process a media access control (MAC) management message that includes a timer value, the timer value designating a time period during which entry is prohibited.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 6, 2018
    Inventors: Jae-Jeong SHIM, Won-Il ROH
  • Patent number: 10069665
    Abstract: Disclosed is a method and device for transmitting and receiving a signal by using modulation techniques in a wireless communication system. The method according to the present invention includes: selecting one of QAM and improved QAM according to at least one predefined criterion; encoding information bits to be transmitted according to a first encoding scheme and mapping encoded information bits to QAM symbols when the QAM is selected; encoding information bits to be transmitted according to a second encoding scheme and mapping encoded information bits to improved QAM symbols when the improved QAM is selected; and transmitting the QAM symbols or the improved QAM symbols through a given resource region.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: September 4, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Kyu Yu, Won-Il Roh, Jeong-Ho Park, Min Sagong, Ji-Yun Seol, Chi-Woo Lim, Kyung-Whoon Cheun, Jae-Weon Cho, Sung-Nam Hong
  • Publication number: 20180213593
    Abstract: Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the UE includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message.
    Type: Application
    Filed: March 21, 2018
    Publication date: July 26, 2018
    Inventors: Hyun-Jeong KANG, Won-Il ROH, Jae-Hee CHO, Jung-Je SON, Byung-Wook JUN