Patents by Inventor Oh-Chul Kwon
Oh-Chul Kwon 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: 20230395404Abstract: A semiconductor package manufacturing apparatus is provided, which comprises a pin holder including a plurality of through holes, a plurality of ejector pins corresponding to the plurality of through holes, a first pin disk including a first protrusion pattern having a first arrangement configured to adjust heights of the plurality of ejector pins, a second pin disk including a second protrusion pattern having a second arrangement configured to adjust the heights of the plurality of ejector pins, and a controller configured to select at least a portion of the plurality of ejector pins to protrude toward an upper portion of the pin holder by selecting one of the first and second pin disks.Type: ApplicationFiled: April 19, 2023Publication date: December 7, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Woo Ram MYUNG, Dae Ung PARK, Oh Chul KWON, Seon Young KIM, Yun-Sik YOO, Jun Ho CHO
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Publication number: 20230223578Abstract: Proposed are a system and a method for pressurizing an all-solid-state secondary battery at high temperature. More particularly, proposed are a system and a method for pressurizing an all-solid-state secondary battery at high temperature, in which a pre-process of high-temperature pressurization for maximizing a contact interface between a solid electrolyte and an active material and minimizing interfacial resistance is automated in such a manner that the fed secondary battery is automatically packed through a vacuum sealing unit and then pressurized at high temperature, thereby shortening a tact time and thus increasing process efficiency.Type: ApplicationFiled: January 10, 2023Publication date: July 13, 2023Inventors: Tae Bong OH, Souk Woo LEE, Oh Chul KWON, Jung Ho SONG, Seung A HAN, Sang Rae KIM, Seung Kyu HAN, Ji Hyeon YUN
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Patent number: 11136639Abstract: A bearing steel according to an embodiment of the present disclosure includes, as a chemical composition: 0.51 to 0.56 wt % of carbon (C); 0.30 to 0.55 wt % of silicon (Si); 0.60 to 0.90 wt % of manganese (Mn); 0.025 wt % or less (excluding 0 wt %) of phosphorus (P); 0.008 wt % or less (excluding 0 wt %) of sulfur (S); 0.01 to 0.20 wt % of chromium (Cr); 0.08 wt % or less (excluding 0 wt %) of molybdenum (Mo); 0.25 wt % or less (excluding 0 wt %) of nickel (Ni); 0.01 to 0.20 wt % of vanadium (V); 0.20 wt % or less (excluding 0 wt %) of copper (Cu); 0.003 wt % or less (excluding 0 wt %) of titanium (Ti); 0.01 to 0.05 wt % of aluminum (Al); 0.0015 wt % or less (excluding 0 wt %) of oxygen (O); 0.001 wt % or less (excluding 0 wt %) of calcium (Ca); and iron (Fe) and unavoidable impurities as a remainder.Type: GrantFiled: June 30, 2017Date of Patent: October 5, 2021Assignee: ILJIN GLOBAL CO., LTDInventors: Oh Chul Kwon, Seon Ho Lee, Yoon Gil Choi, Chirl Soo Shin
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Publication number: 20190256939Abstract: A bearing steel according to an embodiment of the present disclosure includes, as a chemical composition: 0.51 to 0.56 wt % of carbon (C); 0.30 to 0.55 wt % of silicon (Si); 0.60 to 0.90 wt % of manganese (Mn); 0.025 wt % or less (excluding 0 wt %) of phosphorus (P); 0.008 wt % or less (excluding 0 wt %) of sulfur (S); 0.01 to 0.20 wt % of chromium (Cr); 0.08 wt % or less (excluding 0 wt %) of molybdenum (Mo); 0.25 wt % or less (excluding 0 wt %) of nickel (Ni); 0.01 to 0.20 wt % of vanadium (V); 0.20 wt % or less (excluding 0 wt %) of copper (Cu); 0.003 wt % or less (excluding 0 wt %) of titanium (Ti); 0.01 to 0.05 wt % of aluminum (Al); 0.0015 wt % or less (excluding 0 wt %) of oxygen (O); 0.001 wt % or less (excluding 0 wt %) of calcium (Ca); and iron (Fe) and unavoidable impurities as a remainder.Type: ApplicationFiled: June 30, 2017Publication date: August 22, 2019Inventors: Oh Chul KWON, Seon Ho LEE, Yoon Gil CHOI, Chirl Soo SHIN
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Patent number: 9337198Abstract: A semiconductor memory device includes a first substrate on which a cell region is defined. In the cell region, memory cells are stacked. A second substrate is located above the first substrate, and a peripheral region is defined on the second substrate. One or more conductive lines are located in the peripheral region. The one or more lines extend through the second substrate and couple to the cell region.Type: GrantFiled: January 7, 2013Date of Patent: May 10, 2016Assignee: SK hynix Inc.Inventors: Oh Chul Kwon, Ki Hong Lee, Seung Ho Pyi
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Publication number: 20160062688Abstract: A flash memory device includes: a memory unit that includes a cell area that has one or more memory blocks each including a plurality of pages; a page buffer that includes a valid data area storing valid data to be programmed to the pages and a pad area storing non-valid data to be programmed to the pages, in response to an external data program command for the one or more pages; and a control logic that retains the non-valid data stored in the pad area and stores the valid data in the valid data area, in response to the data program command.Type: ApplicationFiled: June 19, 2015Publication date: March 3, 2016Inventors: OH CHUL KWON, SANG HOON LEE
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Patent number: 9228769Abstract: A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser.Type: GrantFiled: December 2, 2013Date of Patent: January 5, 2016Assignee: LG ELECTRONICS INC.Inventors: Myung-Soo Kim, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Patent number: 9099566Abstract: A semiconductor device includes a trench formed in a substrate, a first stacked structure formed in the trench and including a plurality of first material layers and a plurality of second material layers stacked alternately on top of each other, and a transistor located on the substrate at a height corresponding to a top surface of the first stacked structure.Type: GrantFiled: January 7, 2013Date of Patent: August 4, 2015Assignee: SK hynix Inc.Inventors: Oh Chul Kwon, Ki Hong Lee, Seung Ho Pyi
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Patent number: 8911041Abstract: A water-filter mounting structure for a refrigerator has a filter receiving section provided below a dispenser that is mounted at a door for selectively opening and closing a storage space and discharges water or ice to the outside. A water filter mounted in the filter receiving section purifies water supplied from a water supplying source. It is possible to minimize reduction in a storage capacity, loss in cold air and damage to the water filter and improve product compatibility.Type: GrantFiled: September 4, 2006Date of Patent: December 16, 2014Assignee: LG Electronics Inc.Inventors: Oh-Chul Kwon, Jun-Heon Kim
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Patent number: 8814285Abstract: A refrigerator capable of preventing the drooping of a bin when the bin is pulled out of the storage space is provided. The refrigerator does not need to fit a guide device when users push the bin into the storage space, since the bin is completely separated from the guide device.Type: GrantFiled: June 25, 2012Date of Patent: August 26, 2014Assignee: LG Electronics Inc.Inventors: Yoo-Min Park, Jong-Gon Kim, Young-Hoon Gwak, Bon-Young Koo, Myung-Soo Kim, Hyeon-Po Cho, Oh-Chul Kwon
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Publication number: 20140083128Abstract: A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser.Type: ApplicationFiled: December 2, 2013Publication date: March 27, 2014Applicant: LG Electronics Inc.Inventors: Myung-Soo KIM, Yoo-Min PARK, Oh-Chul KWON, Jong-Gon KIM, Bon-Young KOO, Young-Hoon GWAK, Hyeon-Po CHO
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Patent number: 8677776Abstract: A refrigerator including a main body having a storage chamber, a door provided to the main body to selectively open or close the storage chamber, the door including an outer door defining a front external appearance of the door, and a door liner defining a rear external appearance of the door, the door liner including support steps vertically extending along both sides of the door liner, a liner plate interconnecting the support steps, and a seating step horizontally extending from the door liner, the support steps and the seating step defining an installation space, an ice bank removably located on the door liner, and an ice maker cover located above the ice bank.Type: GrantFiled: July 6, 2012Date of Patent: March 25, 2014Assignee: LG Electronics Inc.Inventors: Myung-Soo Kim, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Patent number: 8667809Abstract: A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser.Type: GrantFiled: January 14, 2013Date of Patent: March 11, 2014Assignee: LG Electronics Inc.Inventors: Myung-Soo Kim, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Publication number: 20140061776Abstract: A semiconductor device includes a trench formed in a substrate, a first stacked structure formed in the trench and including a plurality of first material layers and a plurality of second material layers stacked alternately on top of each other, and a transistor located on the substrate at a height corresponding to a top surface of the first stacked structure.Type: ApplicationFiled: January 7, 2013Publication date: March 6, 2014Applicant: SK hynix Inc.Inventors: Oh Chul KWON, Ki Hong LEE, Seung Ho PYI
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Publication number: 20140061750Abstract: A semiconductor memory device includes a first substrate on which a cell region is defined. In the cell region, memory cells are stacked. A second substrate is located above the first substrate, and a peripheral region is defined on the second substrate. One or more conductive lines are located in the peripheral region. The one or more lines extend through the second substrate and couple to the cell region.Type: ApplicationFiled: January 7, 2013Publication date: March 6, 2014Applicant: SK hynix Inc.Inventors: Oh Chul KWON, Ki Hong Lee, Seung Ho Pyi
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Patent number: 8661842Abstract: An icemaker in a refrigerator is disclosed, by which heat generated from a heater to detach ice is prevented from being transferred to an inside of the refrigerator. The present invention includes an icemaker body provided to a prescribed position of the refrigerator to make to ice from a supplied water, a heater provided to the icemaker body to generate heat to facilitate detachment of the made ice, and a heater shielding unit provided to prevent the heat generated from the heater from being supplied to an inside of the refrigerator.Type: GrantFiled: October 7, 2010Date of Patent: March 4, 2014Assignee: LG Electronics Inc.Inventors: Jong Gon Kim, Oh Chul Kwon, You Min Park, Young Hoon Gwak, Hyeon Po Cho, Bon Young Koo, Myung Soo Kim
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Patent number: 8375739Abstract: A refrigerator includes a main body having a storage chamber, a door provided to the main body, including an outer door and a door liner. The door liner includes support steps, a liner plate, and a seating step that define an installation space. An ice maker is located at least partially in the installation space. A cold air duct is provided in one side of the storage chamber to supply the ice maker with cold air. An ice maker cover is provided having a cold air inlet on a top portion thereof and a viewing window on a lower portion thereof. The viewing window allows the ice maker to be seen from outside of the ice maker cover. An ice bank is removably located below the ice maker to transfer ice received from the ice maker to a dispenser.Type: GrantFiled: August 12, 2011Date of Patent: February 19, 2013Assignee: LG Electronics Inc.Inventors: Myung-Soo Kim, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Patent number: 8359878Abstract: A method of assembling a refrigerator including providing a main body having a storage chamber, providing a door having a door liner on one side of the door, providing a seating member, providing an ice maker for making ice, attaching the ice maker to the seating member, attaching the seating member to the door liner, providing an ice bank for storing ice, attaching the ice bank to the seating member below the ice maker, and rotatably attaching the door to the main body.Type: GrantFiled: August 12, 2011Date of Patent: January 29, 2013Assignee: LG Electronics Inc.Inventors: Myung-Soo Kim, Yoo-Min Park, Oh-Chul Kwon, Jong-Gon Kim, Bon-Young Koo, Young-Hoon Gwak, Hyeon-Po Cho
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Publication number: 20120272678Abstract: A refrigerator including a main body having a storage chamber, a door provided to the main body to selectively open or close the storage chamber, the door including an outer door defining a front external appearance of the door, and a door liner defining a rear external appearance of the door, the door liner including support steps vertically extending along both sides of the door liner, a liner plate interconnecting the support steps, and a seating step horizontally extending from the door liner, the support steps and the seating step defining an installation space, an ice bank removably located on the door liner, and an ice maker cover located above the ice bank.Type: ApplicationFiled: July 6, 2012Publication date: November 1, 2012Inventors: Myung-Soo KIM, Yoo-Min PARK, Oh-Chul KWON, Bon-Young KOO, Young-Hoon GWAK, Hyeon-Po CHO
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Publication number: 20120262046Abstract: A refrigerator capable of preventing the drooping of a bin when the bin is pulled out of the storage space is provided. The refrigerator does not need to fit a guide device when users push the bin into the storage space, since the bin is completely separated from the guide device.Type: ApplicationFiled: June 25, 2012Publication date: October 18, 2012Inventors: Yoo-Min PARK, Jong-Gon KIM, Young-Hoon GWAK, Bon-Young KOO, Myung-Soo KIM, Hyeon-Po CHO, Oh-Chul KWON