Patents by Inventor Young Sik Ryu
Young Sik Ryu 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: 20240128630Abstract: The present invention relates to a support pole assembly for mounting an antenna and, particularly, to a support pole assembly for mounting an antenna, comprising: a support pole which is formed in a hollow structure and has an antenna device mounting hole formed at the circumferential surface thereof; an antenna device which is mounted to the support pole while passing through and covering the antenna device mounting hole and the rear portion of which is placed in the inner space of the support pole. Accordingly, the present invention provides an advantage in that the protrusion amount of the antenna device with respect to the support pole is reduced and thus the space required for mounting the antenna device can be reduced.Type: ApplicationFiled: December 28, 2023Publication date: April 18, 2024Applicant: KMW INC.Inventors: Duk Yong KIM, Chi Back RYU, Min Sik PARK, Kyo Sung JI, In Ho KIM, Sang Hyo KANG, Min Soo KIM, Hee KIM, Young Ji HONG
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Publication number: 20240128484Abstract: A fuel cell system and a method of controlling the system are provided. The fuel cell system includes: a fuel cell having a plurality of cells to generate power through a reaction between hydrogen supplied to an anode space and oxygen supplied to a cathode space; a power storage device to be charged with power generated by the fuel cell or discharged to supply power; and a controller. The controller recirculates hydrogen, diffused from the anode space to the cathode space, into the anode space by supplying power charged in the power storage device to the fuel cell when the power generation of the fuel cell is stopped. The controller is configured to control whether to supply the power to the fuel cell based on a pressure measured in the anode space and voltages of the cells that constitute the fuel cell.Type: ApplicationFiled: April 18, 2023Publication date: April 18, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Ji Hoon Ryu, Jae Sung Ryu, Jong Hyun Lee, Yei Sik Jeon, Young Wook Cheong
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Patent number: 11961551Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.Type: GrantFiled: January 27, 2022Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Soo Bong Chang, Young-Il Lim, Bok-Yeon Won, Seok Jae Lee, Dong Geon Kim, Myeong Sik Ryu, In Seok Baek, Kyoung Min Kim, Sang Wook Park
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Publication number: 20240120613Abstract: A crosslinked polyolefin separator having an average value of light transmittance of 30% or more in a region of 380 nm to 700 nm, after four sides of the separator are fixed and allowed to stand at 130° C. for 30 minutes. A method for manufacturing the crosslinked polyolefin separator is also provided. The crosslinked polyolefin separator has a low shutdown temperature to provide improved safety. The crosslinked polyolefin separator also has a high meltdown temperature and is inhibited from die-drooling.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Applicant: LG Chem, Ltd.Inventors: Won-Sik Bae, Joo-Sung Lee, Bi-Oh Ryu, A-Young Lee
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Patent number: 8955141Abstract: Provided is a method for digital rights management of a compressed file created by compressing one or more original files.Type: GrantFiled: June 30, 2008Date of Patent: February 10, 2015Assignee: Fasco.com Co., Ltd.Inventors: Joon Tae Ji, Young Sik Ryu, Jong Il Lee
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Patent number: 8883044Abstract: Disclosed are a multi-functional resin composite material including (A) a thermoplastic resin, (B) a nickel-coated carbon fiber, (C) a carbon nanotube, and (D) an inorganic material having a volume resistance of about 10?3 ?·m or less and a relative permeability of about 5000 or more, and a molded product fabricated using the same.Type: GrantFiled: June 22, 2012Date of Patent: November 11, 2014Assignee: Cheil Industries Inc.Inventors: Sung-Jun Kim, Young-Sik Ryu
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Patent number: 8468543Abstract: A computer system includes a DRM client system in which a plurality of DRM clients are installed, comprising: a virtual OS managing unit that separates a kernel of an actual operating system installed in the DRM client system to generate and manage a virtual operating system; a branch process information managing unit that manages branch process information according to a type of a document that a user attempts to read; and an application program branching unit that analyzes the branch process information and executes DRM client agent for managing the DRM client in an actual OS region or a virtual OS region according to the type of a document that the user attempts to read to allow the user to read the document.Type: GrantFiled: January 25, 2008Date of Patent: June 18, 2013Assignee: Fasoo.Com.Co.Ltd.Inventors: Young Sik Ryu, Kyoung Ho Jeon
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Publication number: 20120319055Abstract: Disclosed are a multi-functional resin composite material including (A) a thermoplastic resin, (B) a nickel-coated carbon fiber, (C) a carbon nanotube, and (D) an inorganic material having a volume resistance of about 10?3 ?·m or less and a relative permeability of about 5000 or more, and a molded product fabricated using the same.Type: ApplicationFiled: June 22, 2012Publication date: December 20, 2012Applicant: CHEIL INDUSTRIES INC.Inventors: Sung-Jun KIM, Young-Sik RYU
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Patent number: 8222321Abstract: The present invention provides a thermoplastic resin composition comprising (A) a thermoplastic resin, and (B) a carbon nanofiber-metal composite including a plurality of laminated truncated, conic graphenes continuously coated with a metal. The thermoplastic resin composition according to the present invention can have excellent EMI shielding properties.Type: GrantFiled: December 15, 2010Date of Patent: July 17, 2012Assignee: Cheil Industries Inc.Inventors: Kyoung Tae Youm, Young Sik Ryu, Young Sil Lee
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Patent number: 8139163Abstract: A television (TV) link infrared (IR) demodulation circuit including: a reference voltage setting unit setting a first reference voltage and a second reference voltage, different from each other; and a differential amplifier differentially amplifying the first reference voltage received via a first input terminal and a voltage obtained by coupling an input signal with the second reference voltage, via a second input terminal and demodulating a remote control signal received via the second input terminal into a pulse signal.Type: GrantFiled: July 17, 2007Date of Patent: March 20, 2012Assignee: Samsung Electro-Mechanics Co. Ltd.Inventors: Young Sik Ryu, Chang Kap Nam, Hyo Young Maeng
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Patent number: 8022128Abstract: A thermoplastic elastomer composition comprises (A) about 25 to about 55 parts by weight of a block terpolymer including an aromatic vinyl compound and an alkene compound; (B) about 20 to about 50 parts by weight of a paraffin oil; (C) about 5 to about 15 parts by weight of a polyolefin resin; (D) about 5 to about 20 parts by weight of an inorganic additive; and (E) about 3 to about 15 parts by weight of a polyphenylene ether. The thermoplastic elastomer composition can have excellent physical properties, such as flexibility (or resilience), surface hardness, and restoring force at high temperatures.Type: GrantFiled: December 9, 2009Date of Patent: September 20, 2011Assignee: Cheil Industries Inc.Inventors: Bum Seok Youn, Lee Kun Cho, Young Sik Ryu, Chang Min Hong, Young Sil Lee, Young Jun Lee
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Publication number: 20110160372Abstract: The present invention provides a thermoplastic resin composition comprising (A) a thermoplastic resin, and (B) a carbon nanofiber-metal composite including a plurality of laminated truncated, conic graphenes continuously coated with a metal. The thermoplastic resin composition according to the present invention can have excellent EMI shielding properties.Type: ApplicationFiled: December 15, 2010Publication date: June 30, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: Kyoung Tae Youm, Young Sik Ryu, Young Sil Lee
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Publication number: 20110155948Abstract: The present invention provides a polyamide resin composition that can have good whiteness, thermal conductivity and extrusion molding properties, which includes (A) polyamide resin; (B) heat conductive filler; (C) filler; and (D) thermoplastic resin which is miscible with the polyamide resin and has a weight average molecular weight of about 500,000 to about 5,000,000.Type: ApplicationFiled: December 30, 2010Publication date: June 30, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: Han Namkung, Chan Gyun Shin, Young Sik Ryu, Bum Seok Youn, Jong Yeun Kim, Jong Cheol Lim
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Patent number: 7939167Abstract: The present invention provides a resin composition comprising a thermoplastic resin (A), an inorganic compound having a volume resistance of less than about 10?3 ?·m and relative permeability of more than about 5,000 (B) and fiber filler (C). The resin composition of the present invention can have high impact strength and high electrical conductivity, and high electromagnetic interference (EMI) and radio frequency interference (RFI) shielding properties. The resin composition of the present invention can accordingly have multiple functions and can be used for electrical/electronic devices.Type: GrantFiled: December 29, 2009Date of Patent: May 10, 2011Assignee: Cheil Industries Inc.Inventors: Sung Jun Kim, Young Sik Ryu
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Publication number: 20100313209Abstract: The present invention relates to a system and method for preventing a DRM client crash using process separate execution in a case where a plurality of DRM clients are used in a single PC. The system for preventing a DRM client crash using process separate execution is characterized by a system for preventing a DRM client crash in a PC in which a plurality of different DRM clients are installed, including: a virtual OS managing unit that separates a kernel of an actual operating system installed in the PC to generate and manage a virtual operating system; a branch process information managing unit that manages branch process information according to the type of a document that a user attempts to read; and an application program branching unit that analyzes the branch process information and executes an application program in a designated OS region according to the type of a document that the user attempts to read to allow the user to read the document.Type: ApplicationFiled: January 25, 2008Publication date: December 9, 2010Inventors: Young Sik Ryu, Kyoung Ho Jeon
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Patent number: 7829629Abstract: A polymer composition includes a rubber modified vinyl resin, a polyphenylene ether resin, a cyclic alkyl phosphate compound, and an aromatic phosphate ester. In some embodiments, the cyclic alkyl phosphate compound is able to impart good flame retardancy to the composition and thermal resistance to the polymer composition.Type: GrantFiled: February 6, 2006Date of Patent: November 9, 2010Assignee: Cheil Industries Inc.Inventors: Sung Hee Ahn, Jae Ho Yang, Sang Hyun Hong, Su Hak Bae, Young Sik Ryu
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Patent number: 7812072Abstract: A method of preparing a styrene polymer-silica nanocomposite is disclosed. One embodiment of the method includes polymerizing about 100 parts by weight of a monomer mixture including about 50 to about 80% by weight of an aromatic monomer an about 20 to about 50% by weight of a vinyl cyanide monomer with about 0.5 to about 30 parts by weight of a colloidal silica dispersed in a first organic solvent.Type: GrantFiled: May 30, 2008Date of Patent: October 12, 2010Assignee: Cheil Industries, Inc.Inventors: Byeong Do Lee, Young Sub Jin, Hwan Seok Park, Jae Keun Hong, Young Sik Ryu, Il Jin Kim
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Publication number: 20100250926Abstract: Provided is a method for digital rights management of a compressed file created by compressing one or more original files.Type: ApplicationFiled: June 30, 2008Publication date: September 30, 2010Inventors: Joon Tae Ji, Young Sik Ryu, Jong Il Lee
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Patent number: 7781515Abstract: A polymer composition includes a rubber modified aromatic vinyl resin and a cyclic alkyl phosphate compound. In some embodiments, the cyclic alkyl phosphate compound is able to impart good flame retardancy to the composition, while maintaining a good balance of the other physical and mechanical properties of the resin including Vicat Softening Temperature and impact strength.Type: GrantFiled: February 6, 2006Date of Patent: August 24, 2010Assignee: Cheil Industries Inc.Inventors: Young Sik Ryu, Sang Hyun Hong, Sung Hee Ahn, Jae Ho Yang, Su Hak Bae, Soon Young Jin
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Patent number: 7781517Abstract: A polymer composition includes a substantially transparent, rubber modified aromatic vinyl resin and a cyclic alkyl phosphate compound. In some embodiments, the cyclic alkyl phosphate compound is able to impart good flame retardancy, while maintaining a good balance of the other physical and mechanical properties of the resin including the transparency and impact strength of the resin.Type: GrantFiled: February 14, 2006Date of Patent: August 24, 2010Assignee: Cheil Industries Inc.Inventors: Sang Hyun Hong, Sung Hee Ahn, Young Sik Ryu, Tae Uk Kim