Patents by Inventor Yongsuk Park

Yongsuk Park 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: 11912724
    Abstract: An organometallic compound represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein M1 is a transition metal, Ln1 is a ligand represented by Formula 1-1, Ln2 is a bidentate ligand, n1 is 1, 2, or 3, and n2 is 0, 1, or 2, wherein X1, X2, X11 to X14, Y1, R10, R20, ring CY2, b10, and b20 are as defined herein, and wherein * and *? each indicate a binding site to M1.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ohyun Kwon, Sangdong Kim, Hyungjun Kim, Virendra Kumar Rai, Bumwoo Park, Myungsun Sim, Jeoungin Yi, Yongsuk Cho, Byoungki Choi, Jongwon Choi
  • Patent number: 9614783
    Abstract: A method for determining a source and a transmission path to provide content includes receiving a message comprising at least one of channel information of a link between a request device which requests content download and a central management device, available resource amount information of a candidate device, channel information of a link between the candidate device and the central management device, and channel information of a link between the request device and one candidate device. The method also includes determining a source device and the transmission path for providing the content to the request device using an available resource amount of the candidate device, a data rate of the link between the request device and the central management device, a data rate of the link between the request device and the candidate device, and a data rate of the link between the candidate device and the central management device.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 4, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Yongsuk Park, Sun-Mi Kim, Dan-Keun Sung, Chan-Hyun Youn, Jin-Won Kim, Ji-Young Cha, Tae-Hoon Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han
  • Patent number: 9338659
    Abstract: Short range wireless communication is provided. A first node included in a Wireless Body Area Network (WBAN) communicates with at least one neighboring second node. The first node transmits or receives data to or from at least one device node connected to the first node during a time division communication period, using a super-frame in which the time division communication period, a time division schedule advertisement message transmission period, and a Contention Access Period (CAP) are sequentially arranged. The first node broadcasts a time division schedule advertisement message of the first node to the at least one second node during the time division schedule advertisement message transmission period within the super-frame.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: May 10, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seung-Hoon Park, Yongsuk Park, Jeongsik In, Eui-Jik Kim
  • Patent number: 9270753
    Abstract: A cloud service system includes at least one user device, a plurality of clouds for providing different cloud services, and a gateway connected between the user device and the clouds. The gateway selects at least one of the clouds according to predefined Service Level Agreement (SLA) information, and stores content provided from the user device to the selected cloud.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: February 23, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Yongsuk Park, Sun-Mi Kim, Chan-Hyun Youn, Dan-Keun Sung, Jin-Won Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han, Tae-Hoon Kim, Ji-Young Cha
  • Patent number: 8879738
    Abstract: A system and method of updating a key based on communication and security damage costs are provided. The key updating system for group communication between a plurality of group members, includes a key update cycle determining unit to determine a key update cycle based on a communication cost and a security damage cost, and a key updating unit to perform a key updating with respect to one or more group members of the group communication based on the determined key update cycle.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: November 4, 2014
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Yongsuk Park, Seung-Woo Seo, Dong Hyun Je, Sung Woo Kim, Jun Sik Lee
  • Patent number: 8755786
    Abstract: A routing method in a multi-hop cellular system, the method including: maintaining a signal strength in each node included in the multi-hop cellular system; receiving, in at least one neighbor node, a route-request message broadcasted by a source node; dropping or re-broadcasting, by the at least one neighbor node, the route-request message based on a hop count and the signal strength; and storing, in a base station, the route-request message which is received via the at least one neighbor node, based on an elapsed time, or transmitting a route-reply message to the source node via an optimal path which is selected via the stored route-request message.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: June 17, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yongsuk Park, Eun Sun Jung, Jong Ho Bang
  • Publication number: 20130246616
    Abstract: A method for determining a source and a transmission path to provide content includes receiving a message comprising at least one of channel information of a link between a request device which requests content download and a central management device, available resource amount information of a candidate device, channel information of a link between the candidate device and the central management device, and channel information of a link between the request device and one candidate device. The method also includes determining a source device and the transmission path for providing the content to the request device using an available resource amount of the candidate device, a data rate of the link between the request device and the central management device, a data rate of the link between the request device and the candidate device, and a data rate of the link between the candidate device and the central management device.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 19, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD
    Inventors: Yongsuk Park, Sun-Mi Kim, Dan-Keun Sung, Chan-Hyun Youn, Jin-Won Kim, Ji-Young Cha, Tae-Hoon Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han
  • Publication number: 20130247223
    Abstract: A privacy protection policy is present in a content sharing system. A method for managing contents in a content sharing system includes receiving a content download request from a first account through a first device; and determining whether to carry out the download by considering at least one of a sharing range of a download-requested content, a content access right of the first account, a content access right of an owner account of the first device, a sharing range of a download folder, and sharing acceptance or rejection of an owner of the content.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 19, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD
    Inventors: Yongsuk Park, Sun-Mi Kim, Dan-Keun Sung, Chan-Hyun Youn, Jin-Won Kim, Ji-Young Cha, Tae-Hoon Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han
  • Publication number: 20130238752
    Abstract: A cloud service system includes at least one user device, a plurality of clouds for providing different cloud services, and a gateway connected between the user device and the clouds. The gateway selects at least one of the clouds according to predefined Service Level Agreement (SLA) information, and stores content provided from the user device to the selected cloud.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 12, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD
    Inventors: Yongsuk Park, Sun-Mi Kim, Chan-Hyun Youn, Dan-Keun Sung, Jin-Won Kim, Dong-Ki Kang, Hee-Jae Kim, Yong-Sung Park, Young-Joo Han, Tae-Hoon Kim, Ji-Young Cha
  • Patent number: 8400988
    Abstract: A radio communication system and transmission method using Multi-Radio Access (MRA) interfaces are provided. The radio communication system and method include a transmitter and a receiver having at least two Radio Access (RA) interfaces capable of communicating through different frequency spectrums, in which each of the transmitter and the receiver includes a multiple radio transmission layer for activating a multiple radio transmission entity for each upper layer service and transmitting data in packet units and an RA layer for activating at least one RA entity that manages the RA interface for the multiple radio transmission entity and dividing a packet into sub-packets for transmission and reception. In the transmission method, the multiple radio transmission entity of the transmitter receives a packet transmission success indicator for a specific packet from the RA entity of the transmitter and a next packet is transmitted upon receipt of the packet transmission success indicator.
    Type: Grant
    Filed: January 30, 2007
    Date of Patent: March 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Xiaoyu Liu, Mi-Sun Do, Yongsuk Park
  • Patent number: 8000657
    Abstract: A method and system for relaying data in a mobile communication system are provided, in which a Relay Station (RS) configures a routing table using Link Quality Information (LQI) exchanged among Relay Stations (RSs) in a cell, determines a relay path referring to the routing table, measures the quality of a signal received from an Mobile Station (MS), determines whether to relay data received from the MS by comparing the measured signal quality with at least one of information regarding a data rate of the MS and a reference threshold, transmits a relay request message to a Base Station (BS), if the RS determines to relay the data received from the MS, updates the relay path, upon receipt of a relay response message accepting the relay request and broadcasting information from the BS, and relays the data received from the MS to the BS in the updated relay path.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: August 16, 2011
    Assignees: Samsung Electronics Co., Ltd, Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Mi-sun Do, Eunhyun Kwon, Yongsuk Park, Jaiyong Lee
  • Patent number: 7924758
    Abstract: An energy-aware routing method and energy-aware routing system, the energy-aware routing apparatus for use with a multi-hop system including at least one terminal and at least one base station, the apparatus includes a transceiving unit for receiving a route request message including battery information from each of the at least one terminal; and a control unit for receiving the route request message from the transceiving unit and selecting a communication path from configurable paths by using the battery information.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: April 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yongsuk Park, Eun Sun Jung, Jong Ho Bang
  • Publication number: 20110007672
    Abstract: Short range wireless communication is provided. A first node included in a Wireless Body Area Network (WBAN) communicates with at least one neighboring second node. The first node transmits or receives data to or from at least one device node connected to the first node during a time division communication period, using a super-frame in which the time division communication period, a time division schedule advertisement message transmission period, and a Contention Access Period (CAP) are sequentially arranged. The first node broadcasts a time division schedule advertisement message of the first node to the at least one second node during the time division schedule advertisement message transmission period within the super-frame.
    Type: Application
    Filed: July 13, 2010
    Publication date: January 13, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hoon PARK, Yongsuk Park, Jeongsik In, Eui-Jik Kim
  • Publication number: 20110002252
    Abstract: A frame structure for piconet master node on/off scheduling and method thereof. The frame structure includes a schedule-based data period, a contention-based active period, a schedule-based schedule notification message period directly following the contention-based active period, and an inactive sleep mode period positioned before the schedule-based data period, before or after the contention-based active period, or after the schedule-based schedule notification message period.
    Type: Application
    Filed: June 28, 2010
    Publication date: January 6, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eui-Jik KIM, Jeongsik In, Yongsuk Park
  • Patent number: 7821935
    Abstract: A method of managing a routing table by interoperating with a routing block and a radio resource management (RRM)/scheduling block in a plurality of nodes of a multi-hop system, the method including computing a traffic load rate of each path which transmits traffic and updating the routing table with the computed traffic load rate via the routing block; and updating a plurality of metrics included in the routing table based on the traffic load rate and information transmitted from a neighbor node via the RRM/scheduling block.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: October 26, 2010
    Assignees: Samsung Electronics Co.,Ltd., Industry-University Cooperation Foundation Sogang University
    Inventors: Yongsuk Park, Jin Woo Choe, Jong Ho Bang, Bong Jhin Shin, Dong Kun Kim, Sung Hyuk Lee, Kil Su Hong
  • Patent number: 7782785
    Abstract: A method and apparatus for optimizing a cross layer in an ad-hoc wireless network are provided. A link price is set using the number of packets of a queue. A flow rate is set using the link price. A channel access rank is set by comparing the link price with a link price of a neighboring node. A channel access backoff time is set based on the channel access rank. The method and apparatus for optimization may not be subject to interference and can simultaneously obtain fairness and efficiency while adaptively setting link capacities.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: August 24, 2010
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Su-Won Lee, Yongsuk Park, Jong-Ho Bang, Jean Walrand, Jeong-Hoon Mo, Jae-Wook Kwak
  • Publication number: 20090323964
    Abstract: A system and method of updating a key based on communication and security damage costs are provided. The key updating system for group communication between a plurality of group members, includes a key update cycle determining unit to determine a key update cycle based on a communication cost and a security damage cost, and a key updating unit to perform a key updating with respect to one or more group members of the group communication based on the determined key update cycle.
    Type: Application
    Filed: May 18, 2009
    Publication date: December 31, 2009
    Inventors: Yongsuk PARK, Seung-woo Seo, Dong Hyun Je, Sung Woo Kim, Jun Sik Lee
  • Publication number: 20080085702
    Abstract: A routing method in a multi-hop cellular system, the method including: maintaining a signal strength in each node included in the multi-hop cellular system; receiving, in at least one neighbor node, a route-request message broadcasted by a source node; dropping or re-broadcasting, by the at least one neighbor node, the route-request message based on a hop count and the signal strength; and storing, in a base station, the route-request message which is received via the at least one neighbor node, based on an elapsed time, or transmitting a route-reply message to the source node via an optimal path which is selected via the stored route-request message.
    Type: Application
    Filed: September 14, 2007
    Publication date: April 10, 2008
    Inventors: Yongsuk Park, Eun Sun Jung, Jong Ho Bang
  • Publication number: 20080075028
    Abstract: An energy-aware routing method and energy-aware routing system, the energy-aware routing apparatus for use with a multi-hop system including at least one terminal and at least one base station, the apparatus includes a transceiving unit for receiving a route request message including battery information from each of the at least one terminal; and a control unit for receiving the route request message from the transceiving unit and selecting a communication path from configurable paths by using the battery information.
    Type: Application
    Filed: August 2, 2007
    Publication date: March 27, 2008
    Inventors: Yongsuk Park, Eun Sun Jung, Jong Ho Bang
  • Publication number: 20080056126
    Abstract: A method of managing a routing table by interoperating with a routing block and a radio resource management (RRM)/scheduling block in a plurality of nodes of a multi-hop system, the method including computing a traffic load rate of each path which transmits traffic and updating the routing table with the computed traffic load rate via the routing block; and updating a plurality of metrics included in the routing table based on the traffic load rate and information transmitted from a neighbor node via the RRM/scheduling block.
    Type: Application
    Filed: August 2, 2007
    Publication date: March 6, 2008
    Inventors: Yongsuk Park, Jin Woo Choe, Jong Ho Bang, Bong Jhin Shin, Dong Kun Kim, Sung Hyuk Lee, Kil Su Hong