Patents by Inventor Yong Kwan Cho
Yong Kwan Cho 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).
-
Publication number: 20240081001Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.Type: ApplicationFiled: May 1, 2023Publication date: March 7, 2024Applicant: Samsung Display Co., LTD.Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
-
Patent number: 11366407Abstract: A printer may include a main body and a development cartridge attachable to and detachable from the main body. The development cartridge may comprise a developing portion in which a photoconductive drum and a developing roller are provided, a waste toner container to receive waste toner removed from the photoconductive drum, a toner container connected to the developing portion and to receive toner, and a toner refilling portion connected to the toner container and to refill toner through the toner refilling portion into the toner container. The printer may include a communicating portion provided in the main body to be connected to the toner refilling portion to provide an access the toner refilling portion from outside of the main body when the development cartridge is attached to the main body.Type: GrantFiled: March 1, 2019Date of Patent: June 21, 2022Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Yong-Kwan Cho, Seung Gweon Lee, Jiwon Moon, Woongyong Choi, Yongil Moon, Yongnam Ahn, Jinhwa Hong
-
Patent number: 11112728Abstract: A printer includes a main body, a development cartridge attachable to and detachable from the main body, the development cartridge to supply toner contained in a toner container to an electrostatic latent image formed on a photoconductor, to form a visible toner image, a mounting portion including a toner inlet portion connected to the toner container, where a toner cartridge usable to refill toner in the toner container is mountable to the mounting portion, an inlet shutter rotatably provided in the mounting portion to be rotatable together with the toner cartridge, the inlet shutter rotatable between a blocking position to block the toner inlet portion from receiving toner and an inlet position to open the toner inlet portion to receive toner, a locking unit to selectively lock and unlock the inlet shutter, and a controller to control the locking unit to selectively lock and unlock the inlet shutter based on whether the toner cartridge is mounted to the mounting portion.Type: GrantFiled: April 30, 2019Date of Patent: September 7, 2021Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Yong-Kwan Cho, Woong-Yong Choi
-
Publication number: 20210235848Abstract: The present disclosure relates to a nonwoven fiber assembly and a mask pack sheet using the same, and specifically, to a nonwoven fiber assembly which has excellent bending characteristics for a use in an industrial material, having a pleasant feel and a soft gloss property for a use in clothes or interior decoration, having excellent physical properties such as transparency, skin adhesiveness, absorbency and retention of a solvent such as water, and a smooth surface feeling for use in a sheet mask nonwoven fiber assembly, and includes a lyocell fiber having a large specific surface area, and a mask pack sheet using the nonwoven fiber assembly.Type: ApplicationFiled: June 14, 2019Publication date: August 5, 2021Inventors: Sang Woo JIN, Woo Chul KIM, Jong Cheol JEONG, Yong Kwan CHO
-
Publication number: 20210232061Abstract: A printer includes a main body; a development cartridge attachable to and detachable from the main body, the development cartridge comprising a developing portion in which a photoconductive drum and a developing roller are provided, a waste toner container to receive waste toner removed from the photoconductive drum, a toner container connected to the developing portion and to receive toner, and a toner refilling portion connected to the toner container and to refill toner through the toner refilling portion into the toner container; and a communicating portion provided in the main body to be connected to the toner refilling portion to provide an access the toner refilling portion from outside of the main body when the development cartridge is attached to the main body.Type: ApplicationFiled: March 1, 2019Publication date: July 29, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Yong-Kwan CHO, Seung Gweon LEE, Jiwon MOON, Woongyong CHOI, Yongil MOON, Yongnam AHN, Jinhwa HONG
-
Publication number: 20210232064Abstract: A printer includes a main body, a development cartridge attachable to and detachable from the main body, the development cartridge to supply toner contained in a toner container to an electrostatic latent image formed on a photoconductor, to form a visible toner image, a mounting portion including a toner inlet portion connected to the toner container, where a toner cartridge usable to refill toner in the toner container is mountable to the mounting portion, an inlet shutter rotatably provided in the mounting portion to be rotatable together with the toner cartridge, the inlet shutter rotatable between a blocking position to block the toner inlet portion from receiving toner and an inlet position to open the toner inlet portion to receive toner, a locking unit to selectively lock and unlock the inlet shutter, and a controller to control the locking unit to selectively lock and unlock the inlet shutter based on whether the toner cartridge is mounted to the mounting portion.Type: ApplicationFiled: April 30, 2019Publication date: July 29, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Yong-Kwan CHO, Woong-Yong CHOI
-
Patent number: 10816928Abstract: An electrophotographic image forming apparatus includes a photoconductive drum, a process roller to rotate in a state where the process roller elastically contacts a surface of the photoconductive drum, and a connecting member to allow the process roller to follow a movement of the photoconductive drum in an axial direction of the photoconductive drum.Type: GrantFiled: July 4, 2018Date of Patent: October 27, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ji Won Moon, Yong Il Moon, Yong Nam Ahn, Yong Kwan Cho
-
Publication number: 20200201241Abstract: An electrophotographic image forming apparatus includes a photoconductive drum, a process roller to rotate in a state where the process roller elastically contacts a surface of the photoconductive drum, and a connecting member to allow the process roller to follow a movement of the photoconductive drum in an axial direction of the photoconductive drum.Type: ApplicationFiled: July 4, 2018Publication date: June 25, 2020Inventors: Ji Won Moon, Yong Il Moon, Yong Nam Ahn, Yong Kwan Cho
-
Patent number: 10617146Abstract: This invention relates to a method of manufacturing a lyocell material for a cigarette filter, including (S1) spinning a lyocell spinning dope composed of 8 to 13 wt % of a cellulose pulp and 87 to 92 wt % of an N-methylmorpholine-N-oxide (NMMO) aqueous solution; (S2) coagulating the lyocell spinning dope spun in (S1), thus obtaining a lyocell multifilament; (S3) water-washing the lyocell multifilament obtained in (S2); (S4) oiling the lyocell multifilament water-washed in (S3); and (S5) applying steam and pressure to the lyocell multifilament obtained in (S4), thus obtaining a crimped tow having 30 to 40 crimps per inch.Type: GrantFiled: December 23, 2015Date of Patent: April 14, 2020Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATIONInventors: Sang Woo Jin, Woo Chul Kim, Yong Kwan Cho, Jong Cheol Jeong, Sang Mok Lee, Sang Yoel Lee, Jong Yeol Kim, Soo Ho Kim, Bong Su Cheong, Hyun Suk Cho, Sung Jong Ki, Hyeon Tae Kim
-
Patent number: 10277712Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure provides intelligent services based on a variety of technologies, such as a smart home, a smart building, a smart city, a smart car, a connected car, a health care, a digital education, a smart retail, security and safety services. An apparatus and method for executing a task of an electronic device are provided. The apparatus includes a communication interface configured to receive state information associated with the electronic device from the electronic device, and a processor configured to determine whether to execute a specific task in the electronic device or a mobile terminal based on the state information about the electronic device and state information about the mobile terminal, and to indicate a result of the determination to the electronic device through the communication interface.Type: GrantFiled: December 1, 2015Date of Patent: April 30, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Won-Jin Kim, Byoung-Ik Kang, Phil-Koo Yeo, Jin-Yong Jang, Jin-Woo Kim, Yong-Kwan Cho
-
Publication number: 20190024263Abstract: The present invention relates to a lyocell fiber, and more specifically to a lyocell fiber, wherein the cross-sectional shape of a monofilament contained in the lyocell fiber is controlled to thus increase the specific surface area of the fiber, thereby exhibiting properties equal or superior to those of conventional lyocell fibers, even when used in a small amount.Type: ApplicationFiled: December 27, 2016Publication date: January 24, 2019Applicant: KOLON INDUSTRIES, INC.Inventors: Sang Woo JIN, Woo Chul KIM, Yong Kwan CHO, Jong Cheol JEONG, Sang Yoel LEE, Sang Mok LEE
-
Patent number: 9885975Abstract: An electrophotographic image forming apparatus includes a cartridge for forming a visible toner image. The cartridge includes a development chamber having a toner inlet through which toner is supplied into the development chamber, a development roller provided in the development chamber, and a supply roller provided in the development chamber that supplies toner to the development roller. The cartridge further includes a first toner transporting member that transports toner supplied through the toner inlet in an axial direction of the supply roller, and a toner supply guide that is disposed between the first toner transporting member and the supply roller and includes a slit which has a length in the axial direction and through which toner is dropped onto the supply roller. The toner supply guide is downwardly inclined in the axial direction.Type: GrantFiled: March 29, 2017Date of Patent: February 6, 2018Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Ji-won Moon, Yong-il Moon, Sang-hoon Lee, Yong-kwan Cho
-
Publication number: 20180007952Abstract: This invention relates to a method of manufacturing a lyocell material for a cigarette filter, including (S1) spinning a lyocell spinning dope composed of 8 to 13 wt % of a cellulose pulp and 87 to 92 wt % of an N-methylmorpholine-N-oxide (NMMO) aqueous solution; (S2) coagulating the lyocell spinning dope spun in (S1), thus obtaining a lyocell multifilament; (S3) water-washing the lyocell multifilament obtained in (S2); (S4) oiling the lyocell multifilament water-washed in (S3); and (S5) applying steam and pressure to the lyocell multifilament obtained in (S4), thus obtaining a crimped tow having 30 to 40 crimps per inch.Type: ApplicationFiled: December 23, 2015Publication date: January 11, 2018Applicants: KOLON INDUSTRIES, INC., KT&G CORPORATIONInventors: Sang Woo JIN, Woo Chul KIM, Yong Kwan CHO, Jong Cheol JEONG, Sang Mok LEE, Sang Yoel LEE, Jong Yeol KIM, Soo Ho KIM, Bong Su CHEONG, Hyun Suk CHO, Sung Jong KI, Hyeon Tae KIM
-
Publication number: 20170199482Abstract: An electrophotographic image forming apparatus may include a toner supply unit comprising a toner containing unit and a toner discharging unit having a toner outlet; a photoreceptor unit comprising a photoreceptor; a development unit comprising a development roller that supplies toner to develop the electrostatic latent image on the photoreceptor and a supply roller that supplies toner to the development roller; a first toner supply member that supplies toner of the toner containing unit to the toner discharging unit; and a second toner supply member that transports toner of the toner discharging unit to the toner outlet, wherein the first toner supply member is located in a second quadrant from among first through fourth quadrants based on a vertical line and a horizontal line which intersect at the second toner supply member, and wherein the photoreceptor, the supply roller, and the development roller are located in the fourth quadrant.Type: ApplicationFiled: March 29, 2017Publication date: July 13, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Ji-won MOON, Yong-il MOON, Sang-hoon LEE, Yong-kwan CHO
-
Patent number: 9645525Abstract: An electrophotographic image forming apparatus includes for example a toner supply unit including a toner containing unit and a toner discharging unit having a toner outlet; a photoreceptor unit including a photoreceptor; a development unit including a development roller that supplies toner to develop the electrostatic latent image on the photoreceptor and a supply roller that supplies toner to the development roller; a first toner supply member that supplies toner of the toner containing unit to the toner discharging unit; and a second toner supply member that transports toner of the toner discharging unit to the toner outlet. The first toner supply member is located in a second quadrant from among first through fourth quadrants based on a vertical line and a horizontal line which intersect at the second toner supply member, and the photoreceptor, the supply roller, and the development roller are located in the fourth quadrant.Type: GrantFiled: April 2, 2015Date of Patent: May 9, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji-won Moon, Yong-il Moon, Sang-hoon Lee, Yong-kwan Cho
-
Publication number: 20160157221Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure provides intelligent services based on a variety of technologies, such as a smart home, a smart building, a smart city, a smart car, a connected car, a health care, a digital education, a smart retail, security and safety services. An apparatus and method for executing a task of an electronic device are provided. The apparatus includes a communication interface configured to receive state information associated with the electronic device from the electronic device, and a processor configured to determine whether to execute a specific task in the electronic device or a mobile terminal based on the state information about the electronic device and state information about the mobile terminal, and to indicate a result of the determination to the electronic device through the communication interface.Type: ApplicationFiled: December 1, 2015Publication date: June 2, 2016Inventors: Won-Jin Kim, Byoung-Ik Kang, Phil-Koo Yeo, Jin-Yong Jang, Jin-Woo Kim, Yong-Kwan Cho
-
Patent number: D755283Type: GrantFiled: December 16, 2014Date of Patent: May 3, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Hoon Lee, Ji-Won Moon, Ho-Jin Jang, Seung-Chan Park, Dong-Cheol Ahn, Yong-Il Moon, Dong-Geun Lee, Yong-Kwan Cho
-
Patent number: D755888Type: GrantFiled: December 17, 2014Date of Patent: May 10, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Hoon Lee, Ji-Won Moon, Ho-Jin Jang, Seung-Chan Park, Dong-Cheol Ahn, Yong-Il Moon, Dong-Geun Lee, Yong-Kwan Cho
-
Patent number: D765164Type: GrantFiled: December 16, 2014Date of Patent: August 30, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-Chan Park, Sang-Hoon Lee, Ji-Won Moon, Dong-Cheol Ahn, Ho-Jin Jang, Yong-Il Moon, Dong-Geun Lee, Yong-Kwan Cho
-
Patent number: D907698Type: GrantFiled: March 11, 2019Date of Patent: January 12, 2021Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Ji-Won Moon, Seung-Gweon Lee, Woong-Yong Choi, Yong-Kwan Cho, Yongil Moon, Yongnam Ahn, Jinhwa Hong, Seongho Jeong, ByeongNo Jeong, Sungchul Ahn, Woojin Kim