Patents by Inventor Chul Jin Choi
Chul Jin 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).
-
Patent number: 11944661Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.Type: GrantFiled: February 7, 2018Date of Patent: April 2, 2024Assignee: JEONNAM BIOINDUSTRY FOUNDATIONInventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
-
Patent number: 11858820Abstract: A manganese carbide (Mn4C) magnetic material and a production method therefor are provided. According to one embodiment, the saturation magnetization of the Mn4C magnetic material increases with increasing temperature, and thus the Mn4C magnetic material is applicable to fields in which thermally induced magnetization reduction is critical.Type: GrantFiled: November 15, 2018Date of Patent: January 2, 2024Assignee: KOREA INSTITUTE OF MATERIALS SCIENCEInventors: Chul Jin Choi, Ping Zhan Si, Ji Hoon Park, Hui Dong Qian
-
Publication number: 20210017030Abstract: A manganese carbide (Mn4C) magnetic material and a production method therefor are provided. According to one embodiment, the saturation magnetization of the Mn4C magnetic material increases with increasing temperature, and thus the Mn4C magnetic material is applicable to fields in which thermally induced magnetization reduction is critical.Type: ApplicationFiled: November 15, 2018Publication date: January 21, 2021Inventors: Chul Jin CHOI, Ping Zhan SI, Ji Hoon PARK, Hui Dong QIAN
-
Patent number: 9708751Abstract: A clothes dryer comprises a body, a top plate disposed on upper part of the body, a drum rotatably installed in the body, a front supporter and a rear supporter configured to support the drum, and a fragrance supplying module mounted at the top plate, and configured to supply fragrance into the drum, wherein a sealing device configured to prevent fragrance from being dispersed to outside is provided at an inlet unit of the fragrance supplying module through which a fragrant liquid is introduced. The sealing device is implemented as a protrusion having a ring shape and formed on an inner surface of the cover which opens and closes a chamber of a fragrance supplying device. By this sealing device, fragrance stored in the chamber may be prevented from being dispersed to outside.Type: GrantFiled: August 7, 2009Date of Patent: July 18, 2017Assignee: LG ELECTRONICS INC.Inventors: Sang-Hun Bae, Min-Ji Kim, Chul-Jin Choi
-
Patent number: 9663894Abstract: A water supply device for a drying machine and a method for controlling the same are disclosed. The water supply device includes a common hose having one end connected to at least one water supply source, a drying machine water supply hose having one end connected to the common hose and the other end connected to a steam generator of the drying machine, and a washing machine water supply hose having one end connected to the common hose and the other end connected to a washing machine. With the provision of the water supply device, the drying machine has the effects of preventing wrinkles, creases, or the like from being generated in an object to be dried, such as clothes, and the like, or eliminating wrinkles, creases, or the like in clothes, and the like.Type: GrantFiled: November 8, 2006Date of Patent: May 30, 2017Assignee: LG Electronics Inc.Inventors: Young Soo Kim, Dae Bong Yang, Chul Jin Choi, Jung Yoo, Jae Hyuk Wi
-
Patent number: 9657429Abstract: The present invention relates to a laundry dryer that can prevent as well as remove wrinkles of laundry. A laundry dryer has a water supply source configured to be detachable from the laundry machine and a switch to switch a steam generator or a pump off or on when the water supply source is detached or not.Type: GrantFiled: October 31, 2007Date of Patent: May 23, 2017Assignee: LG ELECTRONICS INC.Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
-
Patent number: 9562310Abstract: A cloth treating apparatus is disclosed. The cloth treating apparatus comprises a main body washing or drying clothes, and an auxiliary treating apparatus including a cabinet provided at one side of the main body; and a drawer slidably provided in the cabinet to form a accommodating space, having a hot air supply device, wherein the hot air supply device supplies a hot air to the accommodating space and is provided on an external rear surface of the drawer.Type: GrantFiled: April 4, 2008Date of Patent: February 7, 2017Assignee: LG ELECTRONICS INC.Inventors: Dong Joo Han, Chul Jin Choi, Young Bok Son
-
Patent number: 9353474Abstract: A laundry dryer is provided which is capable of removing and/or preventing wrinkles of laundry. The laundry dryer includes a drum in which laundry is held, a hot air heater that heats air to supply hot air to the drum, and a water heating part that heats water by using the heats generated at the hot air heater to generate steam.Type: GrantFiled: September 21, 2007Date of Patent: May 31, 2016Assignee: LG ELECTRONICS INC.Inventors: Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
-
Patent number: 9206542Abstract: A drying machine is disclosed. The drying machine includes a selectively rotatable drum receiving an object to be dried, a steam supply member having one side connected to a steam generator and the other side connected to the drum, and a swirler installed in the steam supply member at a predetermined position for swirling steam flowing through the steam supply member. A method for controlling the drying machine includes heating a drum, supplying steam generated in a steam generator into the drum, and supplying hot air into the drum. The drying machine having the above described configuration can efficiently eliminate creases of clothes.Type: GrantFiled: July 21, 2009Date of Patent: December 8, 2015Assignee: LG ELECTRONICS INC.Inventors: Chul Jin Choi, Dae Bong Yang, Chong Ryu, Jea Hyuk Wee, Young Soo Kim, Sang Hun Bae, Chang Woo Son, Dong Hyun Kim, Young Bok Son
-
Patent number: 9194076Abstract: Method for controlling a dryer having a steam generator for generating high temperature steam with heat generation of a steam heater, including a hot air supply step for supplying dried hot air to a drum for drying clothes, and a moisture supply step for supplying moisture to the drum for removing static electricity from the clothes dried in the hot air supply step.Type: GrantFiled: February 10, 2011Date of Patent: November 24, 2015Assignee: LG ELECTRONICS INC.Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
-
Patent number: 9136049Abstract: This invention relates to Mn—Al magnetic powders of a high coercive force which are obtained from Mn—Al alloy vaporized by plasma arc discharging, and a manufacturing method thereof. The Mn—Al magnetic powders are produced by discharging a plasma arc to a compact which is formed by compacting a blend containing 20-60% by weight of Mn powder and 40-80% by weight of Al powder, collecting nanoscale Mn—Al particles after cooling the vaporized blend, and heat-treating the particles. According to the present invention, the Mn—Al magnetic powders of light weight and enhanced corrosion resistance are produced at a low cost.Type: GrantFiled: November 10, 2009Date of Patent: September 15, 2015Assignee: Korea Institute of Machinery & MaterialsInventors: Jung-Goo Lee, Chul-Jin Choi
-
Patent number: 8973414Abstract: A laundry treating apparatus and a method of controlling the same are disclosed. The laundry treating apparatus includes a laundry receiving unit for receiving laundry, a steam generator for generating steam to be supplied to the laundry receiving unit, a water supply unit for supplying water to the steam generator, a water softening member for softening water to be supplied to the steam generator, and a control unit for controlling the replacement or regeneration time of the water softening member to be displayed on a display unit. According to the present invention, it is possible to effectively prevent and/or remove wrinkles or rumples on laundry. Furthermore, it is possible to replace or regenerate a water softening member at an appropriate point of time, thereby increasing convenience in use.Type: GrantFiled: July 18, 2007Date of Patent: March 10, 2015Assignee: LG Electronics Inc.Inventors: Sang Hun Bae, Jung Wook Moon, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
-
Patent number: 8931186Abstract: A drying machine is disclosed. The drying machine includes a selectively rotatable drum receiving an object to be dried, a steam supply member having one side connected to a steam generator and the other side connected to the drum, and a swirler installed in the steam supply member at a predetermined position for swirling steam flowing through the steam supply member. A method for controlling the drying machine includes heating a drum, supplying steam generated in a steam generator into the drum, and supplying hot air into the drum. The drying machine having the above described configuration can efficiently eliminate creases of clothes.Type: GrantFiled: February 15, 2007Date of Patent: January 13, 2015Assignee: LG Electronics Inc.Inventors: Chul Jin Choi, Dae Bong Yang, Chong Ryu, Jea Hyuk Wee, Young Soo Kim, Sang Hun Bae, Chang Woo Son, Dong Hyun Kim, Young Bok Son
-
Patent number: 8793893Abstract: An apparatus for treating clothes and a method for controlling the same, which are capable of controlling or preventing formation of creases on clothes, are disclosed. The disclosed apparatus includes a drum (20), a steam generator (200) to supply steam to the drum (20), a water container (300) to store water to be supplied to the steam generator (200), the water container (300) detachable, a sensor (500) to sense whether the water container (300) is detached or attached, a water supplier (400) to supply the water stored in the water container (300) to the steam generator (200), and a controller to control an operation of the water supplier (400) based on a sensing result of the sensor (500).Type: GrantFiled: August 1, 2007Date of Patent: August 5, 2014Assignee: LG Electronics Inc.Inventors: Sang Hun Bae, Jung Wook Moon, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
-
Patent number: 8733134Abstract: An auxiliary laundry treating machine that is capable of improving energy efficiency and maximally securing a laundry receiving space and a multiple treating system including the same are disclosed. The auxiliary laundry treating machine includes a machine body mounted at one side of a main laundry treating machine that washes or dries laundry, a container for receiving laundry, the container being configured to be inserted into and withdrawn from the machine body, and an air supply unit mounted in the main laundry treating machine for supplying air into the container. The air supply unit includes a blowing fan for suctioning and blowing air in the main laundry treating machine and a heater for heating the air blown by the blowing fan. Also, the multiple treating system includes a main laundry treating machine for washing or drying laundry and the auxiliary laundry treating machine.Type: GrantFiled: April 11, 2008Date of Patent: May 27, 2014Assignee: LG Electronics Inc.Inventors: Dong Joo Han, Chul Jin Choi, Young Bok Son
-
Patent number: 8707743Abstract: The present invention relates to a laundry machine using steam. The laundry machine includes a drum for holding laundry, a steam generator for generating steam, a water supply unit for supplying water to the steam generator, an additive supply unit for supplying additive to the steam generator, and a supply line for supplying the steam and the additive to the drum.Type: GrantFiled: August 1, 2007Date of Patent: April 29, 2014Assignee: LG Electronics Inc.Inventors: Sang Hun Bae, Dong Yoon Kim, Chul Jin Choi, Dong Hyun Kim, Young Bok Son
-
Patent number: 8695229Abstract: A laundry machine, more particularly, a dryer and a control method of a dryer may be disclosed. A control method of a dryer includes (a) of supplying an additive to a drum in an initial part of a drying cycle for drying a drying object; and (b) of supplying an additive to the drum in a last part of the drying cycle.Type: GrantFiled: October 28, 2008Date of Patent: April 15, 2014Assignee: LG Electronics Inc.Inventors: Chul Jin Choi, Sang Hun Bae, Yang Hwan Kim, Min Ji Kim
-
Patent number: 8695232Abstract: A laundry machine, more particularly, a dryer is disclosed. A dryer includes a cabinet, a drum in which a drying object is held, a steam generation device to supply steam to the drum, a water supply device to supply water to the steam generation device in order to generate steam, an additive holding part in which an additive is held, and an additive supply device to supply the additive held in the additive holding part to the drum.Type: GrantFiled: October 17, 2008Date of Patent: April 15, 2014Assignee: LG Electronics Inc.Inventors: Chul Jin Choi, Sang Hun Bae, Yang Hwan Kim, Tae Hee Lee, Min Ji Kim, Ku Young Son
-
Patent number: 8650772Abstract: The present invention relates to a laundry machine that can prevent as well as remove wrinkles of laundry. A laundry machine includes a drum rotatable in a cabinet; a hot air heater to supply hot air to the drum by heating air; a steam generator to supply steam to the drum; a sensor to sense a laundry amount inside the drum; and a controller to control an amount of steam supplied to the drum based on sensing results of the sensor. In another aspect of the present invention, a controlling method of a laundry machine includes sensing a laundry amount inside a drum and drying the laundry by supplying hot air to the drum. In the drying of the laundry by supplying hot air to the drum, an amount of hot air is adjusted based on the laundry amount sensed in the sensing of the laundry amount inside the drum.Type: GrantFiled: October 31, 2007Date of Patent: February 18, 2014Assignee: LG Electronics Inc.Inventors: Chang Woo Son, Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son, Heung Jae Kim
-
Patent number: 8595955Abstract: The present invention relates to a laundry dryer. The laundry dryer has a drum rotatably provided to a cabinet, a hot air heater heating air to supply hot air to the drum, a steam generator selectively supplying steam to the drum, and a water supply source provided to one side of the cabinet. And, the water supply source has an accommodating part for storing water supplied to the steam generator and a water supply means for supplying the water within the accommodating part to the steam generator.Type: GrantFiled: July 27, 2007Date of Patent: December 3, 2013Assignee: LG Electronics Inc.Inventors: Sang Hun Bae, Chul Jin Choi, Dong Hyun Kim, Young Bok Son