Patents by Inventor Woon Yong Choi
Woon Yong Choi 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: 20220160798Abstract: An object of the present invention is to preserve the total content of chlorophyll in an extract while increasing the extraction yield of a Spirulina extract. Another object of the present invention is to provide a pharmaceutical composition and health functional food for prevention or treatment of degenerative cranial nerve diseases containing a Spirulina extract as an active ingredient, and to provide a method for treating degenerative cranial nerve diseases using a Spirulina extract. The present invention provides a method for producing a Spirulina extract including the steps of (a) preparing a Spirulina powder; (b) adding 50% to 80% of ethanol to the Spirulina powder and performing an ultrasonic pretreatment at 15° C. to 35° C.; (c) extracting a Spirulina extract at 50° C. to 80° C.; (d) vacuum-concentrating the Spirulina extract; and (e) freeze-drying the vacuum-concentrated Spirulina extract.Type: ApplicationFiled: February 19, 2020Publication date: May 26, 2022Inventors: Do-Hyung KANG, Taeko KIM, Youngdeuk LEE, Woon-Yong CHOI, Yong Kyun YOU, Won Kyu LEE, Areumi PARK
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Patent number: 10164148Abstract: Provided is a semiconductor layer light-emitting element having tunneling blocking layers interposed between adjacent active regions, wherein the tunneling blocking layers are semiconductor layers, which do not allow the movement of an electron or a hole at an applied voltage sufficient to activate only one active region among all active regions, and independently separate two adjacent active regions in a quantum region range, so that the semiconductor light-emitting element comprises multiple independent active regions in a vertical direction in a single chip and thus can be driven at high voltages.Type: GrantFiled: December 31, 2015Date of Patent: December 25, 2018Assignee: CONSTANTEC CO., LTD.Inventor: Woon Yong Choi
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Publication number: 20170352780Abstract: Provided is a semiconductor layer light-emitting element having tunneling blocking layers interposed between adjacent active regions, wherein the tunneling blocking layers are semiconductor layers, which do not allow the movement of an electron or a hole at an applied voltage sufficient to activate only one active region among all active regions, and independently separate two adjacent active regions in a quantum region range, so that the semiconductor light-emitting element comprises multiple independent active regions in a vertical direction in a single chip and thus can be driven at high voltages.Type: ApplicationFiled: December 31, 2015Publication date: December 7, 2017Inventor: Woon Yong CHOI
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Patent number: 9373276Abstract: According to one embodiment of the present invention, an LED block display apparatus for providing an educational function comprises: a plurality of LED blocks that include a plurality of color LEDs; and a controller for providing a text completion function using the LED blocks. The controller transmits a text display signal for displaying glow text to the LED blocks so that the text can be displayed as being glow by the LED blocks. When the LED block related to the text display signal is clicked, the controller transmits a first color change signal for changing color to the clicked LED block, and outputs a notification signal when colors of the LED blocks related to the text display signal are all changed.Type: GrantFiled: October 17, 2012Date of Patent: June 21, 2016Assignee: CONSTANTEC CO., LTD.Inventor: Woon-Yong Choi
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Publication number: 20150132818Abstract: Disclosed is a method of saccharifying biomass, such as algae or agricultural by-products by performing a high-pressure extrusion pulverization process for the biomass, such as algae or agricultural by-products, and more particularly to a method of saccharifying biomass, which includes homogenizing and crushing algae or agricultural by-products, and extruding the algae or agricultural by-products through a micro-diameter tube to pulverize the algae or agricultural by-products. Non-biodegradable polymers, such as cellulose, which is a polysaccharide included in biomass, such as algae or agricultural by-products, hemicelluloses, starch, and complex polysaccharide, are hydrolyzed at high glycosylation efficiency through an eco-friendly pretreatment process using water.Type: ApplicationFiled: May 2, 2012Publication date: May 14, 2015Inventors: Do-Hyung Kang, Hyeon-Yong Lee, Woon-Yong Choi, Choon-Geun Lee, Yong-Chang Seo, Ji-Seon Kim, Chi-Ho Song, Kyung-Hwan Jung, Sang-Eun Lee
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Publication number: 20150049005Abstract: According to one embodiment of the present invention, an LED block display apparatus for providing an educational function comprises: a plurality of LED blocks that include a plurality of color LEDs; and a controller for providing a text completion function using the LED blocks. The controller transmits a text display signal for displaying glow text to the LED blocks so that the text can be displayed as being glow by the LED blocks. When the LED block related to the text display signal is clicked, the controller transmits a first color change signal for changing color to the clicked LED block, and outputs a notification signal when colors of the LED blocks related to the text display signal are all changed.Type: ApplicationFiled: October 17, 2012Publication date: February 19, 2015Inventor: Woon-Yong Choi
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Patent number: 8633122Abstract: Disclosed herein is a method of manufacturing an anode for in-situ sintering for a molten carbonate fuel cell, in which an anode green sheet is prepared using a slurry, and then a reinforcing layer is placed on the anode green sheet and then pressed, thereby improving the mechanical stability of a fuel cell stack and the long term stability of an anode, and an anode manufactured using the method.Type: GrantFiled: February 26, 2009Date of Patent: January 21, 2014Assignee: Doosan Heavy Industries & Construction Co., Ltd.Inventors: Hwan Moon, Bo Hyun Ryu, Jang Yong You, Ju Young Youn, Mi Young Shin, Woon Yong Choi, Tae Won Lee, In Gab Chang, Kil Ho Moon
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Publication number: 20110250521Abstract: Disclosed herein is a method of manufacturing an anode for in-situ sintering for a molten carbonate fuel cell, in which an anode green sheet is prepared using a slurry, and then a reinforcing layer is placed on the anode green sheet and then pressed, thereby improving the mechanical stability of a fuel cell stack and the long term stability of an anode, and an anode manufactured using the method.Type: ApplicationFiled: February 26, 2009Publication date: October 13, 2011Applicant: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTDInventors: Hwan Moon, Bo Hyun Ryu, Jang Yong You, Ju Young Youn, Mi Young Shin, Woon Yong Choi, Tae Won Lee, In Gab Chang, Kil Ho Moon
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Patent number: 7784779Abstract: The present invention relates to an apparatus for discharging a wad of media in an automated media dispenser. The present invention provides an apparatus for discharging a wad of media in an automated media dispenser, comprising: a main frame 30; a lower frame 61 provided in the main frame 30, the lower frame being provided with a lower media delivery unit 70 for conveying media in one direction; a delivery regulating unit 90 provided in the lower frame 61 to selectively convey the media; an upper frame 32 provided in the main frame 30 in correspondence to an upper side of the lower frame 61 and being selectively in contact with the lower frame 61, the upper frame being provided with an upper media delivery unit 40, the upper media delivery unit cooperating with the lower media delivery unit 70 to convey the media in one direction; and a delivery regulation operating unit 50 provided in the upper frame 32 to selectively operating the delivery regulating unit 90.Type: GrantFiled: December 18, 2007Date of Patent: August 31, 2010Assignee: LG N-Sys Inc.Inventor: Woon-Yong Choi
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Publication number: 20100196778Abstract: The present invention provides a method of manufacturing a porous metal electrode for a molten carbonate fuel cell using a dry process. According to the method of manufacturing a porous metal electrode of the present invention, in the press process for controlling the thickness of dry-cast metal powder and rearranging the dry-cast metal powder, the microstructure of the porous metal electrode can be controlled, and the uniformity of the thickness of the porous metal electrode can also be controlled. Therefore, the method of manufacturing a porous metal electrode according to the present invention can be used to manufacture both an anode and a cathode.Type: ApplicationFiled: December 29, 2008Publication date: August 5, 2010Applicant: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.Inventors: Ju Young Youn, Bo Hyun Ryu, Jang Yong Yoo, Mi Young Shin, Hwan Moon, Woon Yong Choi, Tae Won Lee, In Gab Chang, Kil Ho Moon
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Patent number: 7549634Abstract: The present invention relates to a delivery clamp module and a control method thereof. According to the present invention, there is provided a delivery clamp module. The delivery clamp module comprises a clamp guide with a movement guide rail included therein; a delivery tray movable along the rail of the clamp guide by means of a driving force of a tray delivery motor; a clamp base rotatably connected to a front end of the delivery tray through a connecting arm, rotated within a predetermined angular range by a base rotating motor, and supporting a surface of the stacked media; and a clamp arm installed on the clamp base, including push fingers for pushing the media onto the clamp base by an elastic force, and rotated with respect to the clamp base within a predetermined angular range by an arm rotating motor.Type: GrantFiled: June 27, 2005Date of Patent: June 23, 2009Assignee: LG N-SYS Inc.Inventor: Woon-Yong Choi
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Publication number: 20080185394Abstract: The present invention relates to an apparatus for discharging a wad of media in an automated media dispenser. The present invention provides an apparatus for discharging a wad of media in an automated media dispenser, comprising: a main frame 30; a lower frame 61 provided in the main frame 30, the lower frame being provided with a lower media delivery unit 70 for conveying media in one direction; a delivery regulating unit 90 provided in the lower frame 61 to selectively convey the media; an upper frame 32 provided in the main frame 30 in correspondence to an upper side of the lower frame 61 and being selectively in contact with the lower frame 61, the upper frame being provided with an upper media delivery unit 40, the upper media delivery unit cooperating with the lower media delivery unit 70 to convey the media in one direction; and a delivery regulation operating unit 50 provided in the upper frame 32 to selectively operating the delivery regulating unit90.Type: ApplicationFiled: December 18, 2007Publication date: August 7, 2008Applicant: LG N-Sys INC.Inventor: Woon-Yong Choi
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Publication number: 20060097443Abstract: The present invention relates to a delivery clamp module and a control method thereof. According to the present invention, there is provided a delivery clamp module. The delivery clamp module comprises a clamp guide with a movement guide rail included therein; a delivery tray movable along the rail of the clamp guide by means of a driving force of a tray delivery motor; a clamp base rotatably connected to a front end of the delivery tray through a connecting arm, rotated within a predetermined angular range by a base rotating motor, and supporting a surface of the stacked media; and a clamp arm installed on the clamp base, including push fingers for pushing the media onto the clamp base by an elastic force, and rotated with respect to the clamp base within a predetermined angular range by an arm rotating motor.Type: ApplicationFiled: June 27, 2005Publication date: May 11, 2006Inventor: Woon-Yong Choi
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Patent number: 6257034Abstract: A system and a method are disclosed for preventing scale defects during hot rolling by hot rolling equipment having a scale breaker provided at an entry side of a finishing mill line composed of a plurality of rolling mills arranged in tandem. A descaler is provided between a first stage rolling mill and a second stage rolling mill of the finishing mill line. A cooler for cooling a hot rolled steel plate is provided between the second stage rolling mill and a third stage rolling mill of the finishing mill line. A control device is provided for controlling the descaler and the cooler to be selectively driven such that neither of the descaler and the cooler is actuated, one of the descaler and the cooler is actuated, or both of the descaler and the cooler are actuated, according to rolling conditions. Thus, the hot rolled steel plate is rolled, with its oxide film thickness at an entry side of the third stage rolling mill being restricted to not more than a limiting oxide film thickness of 5 &mgr;m.Type: GrantFiled: February 11, 2000Date of Patent: July 10, 2001Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Junso Fukumori, Tsutomu Kawamizu, Akira Kaya, Jong Won Lee, Kyung Zoon Min, Woon Yong Choi
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Patent number: D859129Type: GrantFiled: May 15, 2018Date of Patent: September 10, 2019Assignee: Korea Electric Power CorporationInventors: Sang-Man Park, Woon-Yong Choi, Kyu Young Lee, Min-Ha Lee