Patents by Inventor Ki-Su Kim
Ki-Su Kim 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).
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Publication number: 20170285138Abstract: Disclosed are a pulse radar apparatus and an operating method of the pulse radar apparatus, the pulse radar apparatus including a transmitter configured to receive a reference signal as a transmission clock signal, and transmit a transmission pulse to an object based on the transmission clock signal, a negative feedback loop configured to delay the reference signal and output the delayed reference signal as a reception clock signal, and a receiver configured to restore, based on the reception clock signal, a reflection pulse received in response to the transmission pulse being reflected from the object, wherein the negative feedback loop is configured to generate a delay control signal using the reference signal and a predetermined waveform signal generated by a waveform generator, delay the reference signal based on the delay control signal, and adjust the delay control signal by controlling the waveform generator to change the predetermined waveform signal.Type: ApplicationFiled: January 9, 2017Publication date: October 5, 2017Inventors: Pil Jae PARK, Seong Do KIM, Ki Su KIM, Mun Yang PARK
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Patent number: 9698738Abstract: A bandpass filter that provides a wide gain control range is provided. The bandpass filter performs channel filtering and gain control while maintaining the bandpass characteristic of the bandpass filter. The bandpass filter enables gain control for a wide signal amplitude range while maintaining performance characteristics, such as an out-of-band attenuation ratio capable of high linearity and good pass-band flatness.Type: GrantFiled: January 22, 2016Date of Patent: July 4, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seon-Ho Han, Cheon-Soo Kim, Nam Nguyen Hoai, Ki-Su Kim
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Publication number: 20160241214Abstract: A bandpass filter that provides a wide gain control range is provided. The bandpass filter performs channel filtering and gain control while maintaining the bandpass characteristic of the bandpass filter. The bandpass filter enables gain control for a wide signal amplitude range while maintaining performance characteristics, such as an out-of-band attenuation ratio capable of high linearity and good pass-band flatness.Type: ApplicationFiled: January 22, 2016Publication date: August 18, 2016Inventors: Seon-Ho Han, Cheon-Soo Kim, Nam Nguyen Hoai, Ki-Su Kim
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Patent number: 8895069Abstract: The present invention relates to a drug delivery composition comprising a hyaluronic acid-peptide conjugate micelle and a production method thereof. According to the drug delivery composition and the production method of the drug-loaded, hyaluronic acid-peptide conjugate micelle of the present invention, the reaction for encapsulating can proceed in a mixed solvent of an aqueous solvent and an organic solvent. Therefore, the present invention can be applied to various types of water-insoluble active components and the biocompatible and biodegradable derivative can encapsulate a drug to provide a drug-loaded micelle, which is safe to be applied for human bodies. Moreover, the micelle has a therapeutic effect from the peptide contained therein, which can act in combination with the drug as packing therein. Therefore, the drug delivery composition and its production method can be utilized in the field of producing a sustained release formulation with an extended duration of the medicinal effect.Type: GrantFiled: December 15, 2011Date of Patent: November 25, 2014Assignee: Postech Academy-Industry FoundationInventors: Sei Kwang Hahn, Choun-Ki Joo, Yoon Keun Kim, Seung Kew Yoon, Eun Ju Oh, Ki Su Kim, Hyemin Kim, Kitae Park, Jeong-A Yang, Jun-Sub Choi, You Me Tae, Wonhee Hur
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Patent number: 8747903Abstract: The present invention relates to a composition for nucleic acid delivery and a method for preparing the same, more particularly to a composition for nucleic acid delivery having excellent stability in the body environment and excellent intracellular delivery efficiency of nucleic acid, and enabling target directed delivery of nucleic acid, and a method for preparing the same.Type: GrantFiled: March 27, 2012Date of Patent: June 10, 2014Assignee: Postech Academy-Industry FoundationInventors: Sei Kwang Hahn, Min-Young Lee, Kitae Park, Ki Su Kim, Hwiwon Lee
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Patent number: 8318856Abstract: The present invention relates to a delivery system for nucleic acid using a cationic polymer conjugate, and more specifically relates to a delivery system for nucleic acid comprising a cationic polymer conjugate prepared by conjugating hyaluronic acid or its derivative and polyethyleneimine, and a composition of delivering a nucleic acid into mammalian cell comprising a complex of the nucleic acid and a cationic polymer conjugate with electrostatic binding.Type: GrantFiled: April 4, 2008Date of Patent: November 27, 2012Assignees: Postech Academy-Industry Foundation, Korea University Industry and Academy Collaboration FoundationInventors: Yu-Kyoung Oh, Hyun-Gu Kang, Ji-Seok Kim, Jiang Ge, Ki-Su Kim, Ki-Tae Park, Su-Eun Han, Ga-Yong Shim, Ii-Hwan Cho, Sei-Kwang Hahn
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Publication number: 20120294945Abstract: The present invention relates to a drug delivery composition comprising a hyaluronic acid-peptide conjugate micelle and a production method thereof. According to the drug delivery composition and the production method of the drug-loaded, hyaluronic acid-peptide conjugate micelle of the present invention, the reaction for encapsulating can proceed in a mixed solvent of an aqueous solvent and an organic solvent. Therefore, the present invention can be applied to various types of water-insoluble active components and the biocompatible and biodegradable derivative can encapsulate a drug to provide a drug-loaded micelle, which is safe to be applied for human bodies. Moreover, the micelle has a therapeutic effect from the peptide contained therein, which can act in combination with the drug as packing therein. Therefore, the drug delivery composition and its production method can be utilized in the field of producing a sustained release formulation with an extended duration of the medicinal effect.Type: ApplicationFiled: December 15, 2011Publication date: November 22, 2012Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Sei Kwang HAHN, Choun-Ki Joo, Yoon Keun Kim, Seung Kew Yoon, Eun Ju Oh, Ki Su Kim, Hyemin Kim, Kitae Park, Jeong-A Yang, Jun-sub Choi, You Me Tae, Wonhee Hur
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Patent number: 8114203Abstract: A collection unit includes an exhaust conduit providing a path through which a process gas flows, a trap installed in the exhaust conduit, and a collection line connected to the trap. The trap has an inlet through which particles in the process are introduced into the trap, and the collection line penetrates a portion of the exhaust conduit to extend toward an outside region of the exhaust conduit. An apparatus including the collection unit and a method for collecting particles using the same are also provided.Type: GrantFiled: January 22, 2008Date of Patent: February 14, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Ki-Su Kim, Jung-Hyeon Kim
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Publication number: 20100188250Abstract: A remote control transceiver is described. The remote control transceiver reduces costs by simplifying a structure of a conventional space movement remote controller including an acceleration sensor, a microprocessor, a radio transmitting unit, and a radio receiver. A grid pattern formed by a light emitting diode (LED) and an optical system of a transmitter is determined by an infrared sensor of a receiver to discern space movement location information of the transmitter. The remote control transceiver includes a remote control transmitter and a remote control receiver. The remote control transmitter includes a key input unit for receiving commands, an LED driver for controlling the operation of an LED in response to a command signal generated from the key input unit, and a pattern generator for generating a grid pattern using light generated from the LED.Type: ApplicationFiled: August 21, 2008Publication date: July 29, 2010Applicant: SILICON COMMUNICATIONS TECHNOLOGY CO., LTD.Inventors: Ki Su Kim, Young Lee
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Publication number: 20100144035Abstract: The present invention relates to a delivery system for nucleic acid using a cationic polymer conjugate, and more specifically relates to a delivery system for nucleic acid comprising a cationic polymer conjugate prepared by conjugating hyaluronic acid or its derivative and polyethyleneimine, and a composition of delivering a nucleic acid into mammalian cell comprising a complex of the nucleic acid and a cationic polymer conjugate with electrostatic binding.Type: ApplicationFiled: April 4, 2008Publication date: June 10, 2010Inventors: Yu-Kyoung Oh, Hyun-Gu Kang, Ji-Seok Kim, Jiang Ge, Ki-Su Kim, Ki-Tae Park, Su-Eun Han, Ga-Yong Shim, II-Hwan Cho, Sei-Kwang Hahn
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Publication number: 20100140747Abstract: In a method of manufacturing a semiconductor device, a pad including at least one insulating interlayer and at least one conductive wiring may be formed in a pad area of a substrate. At least one wiring may be formed adjacent to the conductive wiring. At least one insulation layer may be formed adjacent to the insulating interlayer. At least one crack preventing structure may be formed in the insulation layer. The crack preventing structure may continuously extend in the insulation layer and portions of the insulation layer may also be continuous. When a semiconductor device includes at least one crack preventing structure disposed adjacent to a pad, a degradation of the semiconductor chip caused by an external impact and/or a stress may be efficiently prevented by the crack preventing structure.Type: ApplicationFiled: December 4, 2009Publication date: June 10, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Seung-Man Choi, Soon-Sik Hwang, Ki-Chul Park, Gi-Bum Kim, Ki-Su Kim, Sang-Chul Lee, Bae-Kyoung Kim
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Patent number: 7528790Abstract: Techniques are provided to prevent undesired and/or unauthorized analysis and access to electronic components designs. A shield can be utilized to prevent invasive and/or non-invasive analysis methods such as the use of x-rays to determine the structural configuration and/or component makeup of an embedded antenna. In addition, a damageable material that can be utilized alone or in conjunction with the shield is also provided. When attempting to access the antenna and/or components included therein, any inappropriate force or exposure to certain elements, such as heat, will cause the material and the antenna and/or the components therein to be damaged or melted beyond a point of useful recognition for the entity. Furthermore, thin films can be utilized to construct one or more portions of the antenna to the same effect. In addition, the antenna and/or components can be configured for actively reconfiguring a resonant frequency of the antenna.Type: GrantFiled: June 12, 2007Date of Patent: May 5, 2009Assignee: Ethertronics, Inc.Inventors: Laurent Desclos, Seung-Woong Choi, Jun-Ho Park, Sung-Ki Jung, B. S. Kwak, Ki-Su Kim, Seong-Woo Lee
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Publication number: 20080309574Abstract: Techniques are provided to prevent undesired and/or unauthorized analysis and access to electronic components designs. A shield can be utilized to prevent invasive and/or non-invasive analysis methods such as the use of x-rays to determine the structural configuration and/or component makeup of an embedded antenna. In addition, a damageable material that can be utilized alone or in conjunction with the shield is also provided. When attempting to access the antenna and/or components included therein, any inappropriate force or exposure to certain elements, such as heat, will cause the material and the antenna and/or the components therein to be damaged or melted beyond a point of useful recognition for the entity. Furthermore, thin films can be utilized to construct one or more portions of the antenna to the same effect. In addition, the antenna and/or components can be configured for actively reconfiguring a resonant frequency of the antenna.Type: ApplicationFiled: June 12, 2007Publication date: December 18, 2008Inventors: Laurent Desclos, Seung-Woong Choi, Jun-Ho Park, Sung-Ki Jung, B.S. Kwak, Ki-Su Kim, Seong-Woo Lee
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Publication number: 20080176492Abstract: A collection unit includes an exhaust conduit providing a path through which a process gas flows, a trap installed in the exhaust conduit, and a collection line connected to the trap. The trap has an inlet through which particles in the process are introduced into the trap, and the collection line penetrates a portion of the exhaust conduit to extend toward an outside region of the exhaust conduit. An apparatus including the collection unit and a method for collecting particles using the same are also provided.Type: ApplicationFiled: January 22, 2008Publication date: July 24, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Ki-Su Kim, Jung-Hyeon Kim