Patents by Inventor Jea Lee
Jea Lee 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: 20240176208Abstract: A camera lens assembly includes a plurality of optical lenses accommodated in the camera lens assembly, a first lens mount for detachably mounting the camera lens assembly to the camera body, a first electric connector formed on a rear face of the camera lens assembly. The first electric connector is electrically coupled to the camera body when the camera lens assembly is mounted on the camera body, a lens communication unit connected to the first electric connector so as to transmit and receive an electrical signal between the camera lens assembly and the camera body, a lens driver for controlling a displacement of each of the plurality of optical lenses based on the electrical signal received from the camera body, and an indicator for visually presenting an imaging state of the camera body, based on the received electrical signal.Type: ApplicationFiled: February 28, 2023Publication date: May 30, 2024Applicant: SAMYANG OPTICS CO., LTDInventors: Ji Hoon Lee, Han Jea Lee, Tae Sung Kim
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Publication number: 20240176215Abstract: A camera lens assembly includes a plurality of optical lenses accommodated in the camera lens assembly, a first lens mount for detachably mounting the camera lens assembly to the camera body, a first electric connector formed on a rear face of the camera lens assembly. The first electric connector is electrically coupled to the camera body when the camera lens assembly is mounted on the camera body, a second lens mount formed on a front face of the camera lens assembly. The second lens mount is configured for detachably attaching an extension adapter extending an optical function of the camera lens assembly to the camera lens assembly, a second electric connector formed on the front face of the camera lens assembly. The second electric connector is electrically coupled to the extension adapter when the extension adapter is mounted on the camera lens assembly.Type: ApplicationFiled: February 28, 2023Publication date: May 30, 2024Applicant: SAMYANG OPTICS CO., LTDInventors: Ji Hoon LEE, Han Jea LEE, Hyun Hee LEE
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Patent number: 11961775Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.Type: GrantFiled: November 8, 2022Date of Patent: April 16, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
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Patent number: 11648524Abstract: The present invention relates to a method for controlling an ultrafast chemical reaction using a microfluidic reactor, and more specifically, the present invention relates to a method for controlling an ultrafast chemical reaction such as the Fries rearrangement reaction and the like by using a microfluidic reactor by the 3D metal printing technique.Type: GrantFiled: July 28, 2021Date of Patent: May 16, 2023Assignees: POSTECH ACADEMY-INDUSTRY FOUNDATION, VERSITECH LIMITEDInventors: Dong Pyo Kim, Ji Tae Kim, Hyune Jea Lee
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Publication number: 20230102003Abstract: Proposed are a non-aqueous freestanding ion conductive gel for application to an electrolyte of a lithium secondary battery and a preparation method thereof. The non-aqueous freestanding ion conductive gel including: a matrix including a hydrophobic polymer famed through polymerization of monomers having an unsaturated double-bond; a domain dispersed in the matrix and including a hydrophilic ionic liquid; and a surface active layer including an ionic liquid having surface activity, in which a portion of a hydrophobic segment in a chain of the ionic liquid having surface activity is positioned in the matrix, and a portion of a hydrophilic segment in the chain is positioned in the domain. The gel has high ionic conductivity, high lithium ion transference number, and excellent mechanical strength.Type: ApplicationFiled: June 17, 2022Publication date: March 30, 2023Inventors: Gi-Ra YI, Pil Jin Yoo, Tae Hui Kang, Seung-Jea Lee, Jeong Hoon Yoon, Jun Hyuk Lee, Won Jang Cho
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Publication number: 20220032260Abstract: The present invention relates to a method for controlling an ultrafast chemical reaction using a microfluidic reactor, and more specifically, the present invention relates to a method for controlling an ultrafast chemical reaction such as the Fries rearrangement reaction and the like by using a microfluidic reactor by the 3D metal printing technique.Type: ApplicationFiled: July 28, 2021Publication date: February 3, 2022Applicants: Postech Academy-Industry Foundation, Versitech LimitedInventors: Dong Pyo KIM, Ji Tae KIM, Hyune Jea LEE
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Publication number: 20200348485Abstract: The present invention relates to a camera lens assembly having a structure using a plurality of focusing units. The lens holder according to the embodiment of the present invention includes a first fastening unit to which any one focusing unit of the plurality of focusing units is fastened, a second fastening unit to which the other focusing unit of the plurality of focusing units is fastened, a first guide bar fastening groove configured to protrude from the lens holder to determine a position of the lens, and a second guide bar fastening groove configured to horizontally maintain the lens and prevent rotation of the lens.Type: ApplicationFiled: December 6, 2017Publication date: November 5, 2020Applicant: SAMYANG OPTICS CO., LTDInventor: Han Jea LEE
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Patent number: 10179501Abstract: A door structure for a vehicle may include an external panel that forms an external side surface of the vehicle; a reinforcement beam that is engaged with the external panel; an internal panel of a reinforced plastic material that is engaged with the reinforcement beam; and a fastener that fixes the internal panel and the reinforcement beam.Type: GrantFiled: June 6, 2017Date of Patent: January 15, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hyeokji Lee, Gon Kim, Jeong Hyeon Kim, Jae Hyuk Cheong, Rae Sung Park, In Jea Lee, Hee Min Ha
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Publication number: 20180162204Abstract: A door structure for a vehicle may include an external panel that forms an external side surface of the vehicle; a reinforcement beam that is engaged with the external panel; an internal panel of a reinforced plastic material that is engaged with the reinforcement beam; and a fastener that fixes the internal panel and the reinforcement beam.Type: ApplicationFiled: June 6, 2017Publication date: June 14, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Hyeokji LEE, Gon KIM, Jeong Hyeon KIM, Jae Hyuk CHEONG, Rae Sung PARK, In Jea LEE, Hee Min HA
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Patent number: 9659675Abstract: Disclosed is a fuel rod auto-loading apparatus for a nuclear fuel assembly, which disposes fuel rods in a fuel rod case in a bundle to assemble the fuel rods into the nuclear fuel assembly. The fuel rod auto-loading apparatus includes a fuel rod storage unit having a plurality of stacked racks for fuel rods, a fuel rod loading unit raised/lowered to the racks and transferring the fuel rods, a feeding unit placing the fuel rods in rows and loading the fuel rods into the fuel rod case, a fuel rod unloading unit selectively unloading some of the fuel rods stored in the fuel rod storage unit and transferring the fuel rods to the feeding unit, a fuel rod assembly lifter which is disposed parallel to the feeding unit, and a controller controlling driving of the fuel rod loading unit, the feeding unit, and the fuel rod unloading unit.Type: GrantFiled: January 8, 2014Date of Patent: May 23, 2017Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Ju Young Lee, Chang Hwan Hwang, Hung Soon Chang, Soon Ki Guk, Yeon Doo Jung, Ui Jea Lee
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Patent number: 9412475Abstract: Disclosed is a fuel rod testing apparatus for a nuclear fuel assembly. The fuel rod testing apparatus includes a helium leakage testing chamber having a gate so that a fuel rod is horizontally loaded/unloaded and testing whether or not helium leaks from the fuel rod, a fuel rod upward/downward transfer unit that has first and second transfer sections located in front of the gate and horizontally installed apart from each other in order to guide the fuel rod loaded into or unloaded from the helium leakage testing chamber, and that vertically drives the first and second transfer sections, and a main frame that has a upper transfer section disposed in parallel in a lengthwise direction of the fuel rod upward/downward transfer unit and having an inclined face and a lower transfer section installed at a lower portion of the upper transfer section and having an inclined face.Type: GrantFiled: January 8, 2014Date of Patent: August 9, 2016Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Ju Young Lee, Chang Hwan Hwang, Hung Soon Chang, Soon Ki Guk, Tae Hyung Na, Ui Jea Lee
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Publication number: 20140192943Abstract: Disclosed is a fuel rod testing apparatus for a nuclear fuel assembly. The fuel rod testing apparatus includes a helium leakage testing chamber having a gate so that a fuel rod is horizontally loaded/unloaded and testing whether or not helium leaks from the fuel rod, a fuel rod upward/downward transfer unit that has first and second transfer sections located in front of the gate and horizontally installed apart from each other in order to guide the fuel rod loaded into or unloaded from the helium leakage testing chamber, and that vertically drives the first and second transfer sections, and a main frame that has a upper transfer section disposed in parallel in a lengthwise direction of the fuel rod upward/downward transfer unit and having an inclined face and a lower transfer section installed at a lower portion of the upper transfer section and having an inclined face.Type: ApplicationFiled: January 8, 2014Publication date: July 10, 2014Applicant: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Ju Young LEE, Chang Hwan HWANG, Hung Soon CHANG, Soon Ki GUK, Tae Hyung NA, Ui Jea LEE
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Publication number: 20140192945Abstract: Disclosed is a fuel rod auto-loading apparatus for a nuclear fuel assembly, which disposes fuel rods in a fuel rod case in a bundle to assemble the fuel rods into the nuclear fuel assembly. The fuel rod auto-loading apparatus includes a fuel rod storage unit having a plurality of stacked racks for fuel rods, a fuel rod loading unit raised/lowered to the racks and transferring the fuel rods, a feeding unit placing the fuel rods in rows and loading the fuel rods into the fuel rod case, a fuel rod unloading unit selectively unloading some of the fuel rods stored in the fuel rod storage unit and transferring the fuel rods to the feeding unit, a fuel rod assembly lifter which is disposed parallel to the feeding unit, and a controller controlling driving of the fuel rod loading unit, the feeding unit, and the fuel rod unloading unit.Type: ApplicationFiled: January 8, 2014Publication date: July 10, 2014Applicant: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Ju Young LEE, Chang Hwan HWANG, Hung Soon CHANG, Soon Ki GUK, Yeon Doo JUNG, Ui Jea LEE
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Patent number: D737357Type: GrantFiled: December 16, 2013Date of Patent: August 25, 2015Assignee: Samyang Optics Co., Ltd.Inventors: Jong-Young Park, Byoung-Uck Choo, Dal-Gyu Kim, Han-Jea Lee
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Patent number: D737358Type: GrantFiled: December 16, 2013Date of Patent: August 25, 2015Assignee: SAMYANG OPTICS CO., LTD.Inventors: Jong-Young Park, Byoung-Uck Choo, Dal-Gyu Kim, Han-Jea Lee
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Patent number: D781949Type: GrantFiled: July 24, 2015Date of Patent: March 21, 2017Assignee: Samyang Optics Co., Ltd.Inventors: Han Jea Lee, Tae Sung Kim
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Patent number: D849115Type: GrantFiled: August 22, 2017Date of Patent: May 21, 2019Assignee: Samyang Optics Co., Ltd.Inventor: Han Jea Lee
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Patent number: D849116Type: GrantFiled: August 22, 2017Date of Patent: May 21, 2019Assignee: Samyang Optics Co., Ltd.Inventor: Han Jea Lee
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Patent number: D896872Type: GrantFiled: April 6, 2018Date of Patent: September 22, 2020Assignee: SAMYANG OPTICS CO., LTDInventor: Han Jea Lee
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Patent number: D896873Type: GrantFiled: April 6, 2018Date of Patent: September 22, 2020Assignee: SAMYANG OPTICS CO., LTDInventor: Han Jea Lee