Patents by Inventor Myung-won Seo
Myung-won Seo 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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Patent number: 11333349Abstract: Disclosed herein are a fluid sand falling type circulating fluidized bed boiler with a plurality of risers for preventing erosion and corrosion of water tubes and increasing combustion efficiency, and a method of operating the same. The fluid sand falling type circulating fluidized bed boiler with a plurality of risers includes a boiler section into which fuel and oxidizer are injected, a riser section connected to the boiler section so that the fuel and fluid sand supplied from the boiler section are introduced from the bottom of the riser section and flow up, and a relay section provided on the boiler section to supply the fluid sand having passed through the riser section to the boiler section, wherein the fuel is injected from the top of the boiler section and burned while flowing down therein.Type: GrantFiled: May 2, 2019Date of Patent: May 17, 2022Assignees: Korea Institute of Industrial Technology, Korea Institute of Energy Research, Korea Institute of Machinery & MaterialsInventors: Uen Do Lee, Byeong Ryeol Bang, Young Doo Kim, Soo Hwa Jeong, Chang Won Yang, Jae Goo Lee, Tae Young Mun, Myung Won Seo, Ji Hong Moon, Hyun Seol Park, Joon Mok Shim, Young Cheol Park, Do Won Shun, Jong Ho Moon, Dal Hee Bae, Sung Ho Jo, Yun Tae Hwang, Sang In Keel, Jin Han Yun, ChungKyu Lee, Pil Woo Heo
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Patent number: 10759664Abstract: A method of preparing silicon carbide according to the present invention includes reacting a silicon-containing compound with carbon dioxide, wherein a reducing agent is optionally used.Type: GrantFiled: December 27, 2017Date of Patent: September 1, 2020Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Won Chul Cho, Myung Won Seo, Hae In Lee, Jae Goo Lee, Ki Kwang Bae, Chang Hee Kim, Jong Won Kim, Chu Sik Park, Kyoung-Soo Kang, Seong Uk Jeong, Hyun Seok Cho
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Publication number: 20200025366Abstract: Disclosed herein are a fluid sand falling type circulating fluidized bed boiler with a plurality of risers for preventing erosion and corrosion of water tubes and increasing combustion efficiency, and a method of operating the same. The fluid sand falling type circulating fluidized bed boiler with a plurality of risers includes a boiler section into which fuel and oxidizer are injected, a riser section connected to the boiler section so that the fuel and fluid sand supplied from the boiler section are introduced from the bottom of the riser section and flow up, and a relay section provided on the boiler section to supply the fluid sand having passed through the riser section to the boiler section, wherein the fuel is injected from the top of the boiler section and burned while flowing down therein.Type: ApplicationFiled: May 2, 2019Publication date: January 23, 2020Applicants: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, KOREA INSTITUTE OF ENERGY RESEARCH, KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Uen Do LEE, Byeong Ryeol BANG, Young Doo KIM, Soo Hwa JEONG, Chang Won YANG, Jae Goo LEE, Tae Young MUN, Myung Won SEO, Ji Hong MOON, Hyun Seol PARK, Joon Mok SHIM, Young Cheol PARK, Do Won SHUN, Jong Ho MOON, Dal Hee BAE, Sung Ho JO, Yun Tae HWANG, Sang In KEEL, Jin Han YUN, ChungKyu LEE, Pil Woo HEO
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Patent number: 10106424Abstract: A method of preparing silicon using silica includes placing silica in a reaction chamber; adding a reducing agent into the reaction chamber; feeding a material for impact into the reaction chamber and sealing the reaction chamber; and reducing the silica to silicon by allowing the material for impact to generate a physical impact inside the reaction chamber. The preparation method of silicon using silica does not employ a high-temperature high-pressure process and provides a preparation method of silicon by which the porous structure of the silica before a reduction reaction is maintained within the silicon even after the reaction.Type: GrantFiled: July 1, 2016Date of Patent: October 23, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Won Chul Cho, Myung Won Seo, Hai In Lee, Jae Goo Lee, Ho Won Ra, Sang Jun Yoon, Tae Young Mun
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Publication number: 20180179071Abstract: A method of preparing silicon carbide according to the present invention includes reacting a silicon-containing compound with carbon dioxide, wherein a reducing agent is optionally used.Type: ApplicationFiled: December 27, 2017Publication date: June 28, 2018Inventors: Won Chul Cho, Myung Won Seo, Hae In Lee, Jae Goo Lee, Ki Kwang Bae, Chang Hee Kim, Jong Won Kim, Chu Sik Park, Kyoung-Soo Kang, Seong Uk Jeong, Hyun Seok Cho
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Publication number: 20170137295Abstract: A method of preparing silicon using silica includes placing silica in a reaction chamber; adding a reducing agent into the reaction chamber; feeding a material for impact into the reaction chamber and sealing the reaction chamber; and reducing the silica to silicon by allowing the material for impact to generate a physical impact inside the reaction chamber. The preparation method of silicon using silica does not employ a high-temperature high-pressure process and provides a preparation method of silicon by which the porous structure of the silica before a reduction reaction is maintained within the silicon even after the reaction.Type: ApplicationFiled: July 1, 2016Publication date: May 18, 2017Inventors: Won Chul CHO, Myung Won SEO, Hai In LEE, Jae Goo LEE, Ho Won RA, Sang Jun YOON, Tae Young MUN
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Publication number: 20160312697Abstract: The present invention relates to a gasification combined generation system including: a slurry mixer adapted to receive the coal and industrial waste water thereto and mix them to make a uniform-quality slurry; a slurry storage adapted to receive the uniform-quality slurry from the slurry mixer and store the slurry therein; a slurry pump adapted to convey the slurry from the slurry storage; a slurry gasifier adapted to gasify the slurry with at least one of oxygen and air as an oxidizer and produce gas and slag from the gasified slurry; a gas analyzer adapted to analyze the components of the gas discharged from the slurry gasifier; a gas purifier adapted to purify the discharged gas; a generator adapted to utilize the purified gas as a fuel to generate electricity; and a slag discharger adapted to discharge the slag therefrom.Type: ApplicationFiled: July 31, 2015Publication date: October 27, 2016Applicant: Korea Institute of Energy ResearchInventors: Sang-Jun Yoon, Ho-won Ra, Jae-goo Lee, Myung-won Seo, Sang-goo Jeon, Deog-keun Kim
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Patent number: 9454036Abstract: An LED assembly includes a supporting layer; LED chips arranged on a first surface of the supporting layer and spaced apart from each other; a coating layer formed over the LED chips and including a fluorescent substance, wherein the coating layer changes light emitted from the LED chips into a linear light source; and an electrode pattern layer formed on a second surface of the supporting layer and in selectively removed regions of the supporting layer and contacting the LED chips.Type: GrantFiled: December 19, 2013Date of Patent: September 27, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Seo-Yoon Lee, Min-Su Cho, Myung-Won Seo
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Publication number: 20160162489Abstract: A server apparatus and a method for providing a search result are provided. The server apparatus according to an exemplary embodiment includes a search word processor configured to search for contents related to a search word from a plurality of search domains, a rule application determining unit configured to determine a decision rule to be applied for an arrangement order of the searched contents and a priority order in which the determined decision rule is to be applied, and a search result providing unit configured to provide a search result by arranging the searched contents based on the determined decision rule and application of the priority order of the determined decision rule.Type: ApplicationFiled: November 10, 2015Publication date: June 9, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung-sang KIM, Sung-yun PARK, Manmohan Singh BOHARA, Myung-won SEO
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Publication number: 20140368769Abstract: An LED assembly includes a supporting layer; LED chips arranged on a first surface of the supporting layer and spaced apart from each other; a coating layer formed over the LED chips and including a fluorescent substance, wherein the coating layer changes light emitted from the LED chips into a linear light source; and an electrode pattern layer formed on a second surface of the supporting layer and in selectively removed regions of the supporting layer and contacting the LED chips.Type: ApplicationFiled: December 19, 2013Publication date: December 18, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Seo-Yoon Lee, Min-Su Cho, Myung-Won Seo
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Patent number: 8811609Abstract: An information protection system includes a mobile terminal and an encryption module. The mobile terminal requests a key sequence by transmitting a message including a Personal Identification Number (PIN) number input by a user, and encrypts or decrypts one or more communication signals, including voice signals and data signals, based on the key sequence when the key sequence is received. The encryption module is connected to the mobile terminal. The encryption module encrypts a security key using the identifier and the PIN number of the mobile terminal, decrypts the encrypted security when requested by the mobile terminal, and transmits the key sequence generated based on the decrypted security key to the mobile terminal.Type: GrantFiled: February 15, 2012Date of Patent: August 19, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sang-Hyun Park, Jun-Ho Lee, Haeng-Seok Ko, Myung-Won Seo, In-Jung Kim, Jang-Hong Yoon
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Publication number: 20130031365Abstract: An information protection system includes a mobile terminal and an encryption module. The mobile terminal requests a key sequence by transmitting a message including a Personal Identification Number (PIN) number input by a user, and encrypts or decrypts one or more communication signals, including voice signals and data signals, based on the key sequence when the key sequence is received. The encryption module is connected to the mobile terminal. The encryption module encrypts a security key using the identifier and the PIN number of the mobile terminal, decrypts the encrypted security when requested by the mobile terminal, and transmits the key sequence generated based on the decrypted security key to the mobile terminal.Type: ApplicationFiled: February 15, 2012Publication date: January 31, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sang-Hyun PARK, Jun-Ho LEE, Haeng-Seok KO, Myung-Won SEO, In-Jung KIM, Jang-Hong YOON
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Patent number: 7488011Abstract: A method and apparatus for winding and knotting a thread around a sewing thread of a button for clothes so that a gap between the button and a suit, on which the button is sewn, is maintained. The thread, which is twisted at least twice, passes over and winds around the sewing thread, thereby forming firm knots of the thread around the sewing thread and preventing the knots from being disentangled. Since guiding means accurately and reliably guides the thread to pass over the sewing thread, and the knot-guiding means and the thread take-up means of the apparatus are simultaneously operated by a single driving means, the invention performs firm and effective winding of the thread around the sewing thread and reduces production costs and energy consumption rate of the apparatus, and reduces failure rate, thereby improving reliability of winding and knotting the thread around the sewing thread.Type: GrantFiled: July 5, 2004Date of Patent: February 10, 2009Assignee: Myung Jin S. M. Co., Ltd.Inventors: Myung-won Seo, Eui-Suk Oh
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Publication number: 20060174809Abstract: A method and apparatus for winding and knotting a thread around a sewing thread of a button for clothes so that a gap between the button and a suit, on which the button is sewn, is maintained. The thread, which is twisted at least twice, passes over the sewing thread of the button and winds around the sewing thread, thereby forming firm knots of the thread around the sewing thread of the button and preventing the knots of the thread from being disentangled.Type: ApplicationFiled: July 5, 2004Publication date: August 10, 2006Inventors: Myung-Won Seo, Eui-Suk Oh