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公开(公告)号：US20220267631A1
公开(公告)日：2022-08-25
申请号：US17649536
申请日：2022-01-31
Inventor： Hyun Kyoung YANG , Jin Young PARK
IPC: C09D11/50 , C09D11/324 , C09D11/36 , C09D11/037 , C09D11/033 , G01N21/27
Abstract: Disclosed are a method for producing carbon quantum dots having color change based on a cumulative amount of exposure thereof to UV light, and to a color change sensor including the same that indicates a cumulative UV amount. The method for producing the carbon quantum dots include performing solvothermal reaction on blue inkjet printer dye, urea and an organic solvent in a high pressure reactor.
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192.发明申请公开(公告)号：US20220234894A1
公开(公告)日：2022-07-28
申请号：US17596179
申请日：2020-06-03
Inventor： Hyun Kyoung YANG , Sung Jun PARK
Abstract: The present invention relates to a method for synthesizing carbon quantum dots capable of effectively blocking UV light and blue light from application devices composed of white LEDs, and a method for manufacturing a UV light- and blue light-blocking film, and the method for manufacturing a UV light- and blue light-blocking film, of the present invention, comprises the steps of: hydrothermally synthesizing a liquid hydrocarbon aqueous solution in a high-pressure reactor; dispersing the synthesized product in a polymer aqueous solution; and applying a dispersion solution, and then drying same.
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公开(公告)号：US11259371B2
公开(公告)日：2022-02-22
申请号：US16696520
申请日：2019-11-26
Applicant: HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION , Pukyong National University Industry-University Cooperation Foundation
Inventor： Hong Chan Jeon , Mi Jung Yun , Oh Deok Kwon , Hyung Joon Youn , Afandi Mohammad Malik , Jong Su Kim , Tae Wook Kang , Jong Ho Ryu
Abstract: An inorganic electroluminescence device having heat resistance, moisture resistance and physical durability improved by applying a transparent electrode layer including a metal mesh substrate or a metal patterned substrate, and a method for manufacturing the same.
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194.发明授权公开(公告)号：US11237079B2
公开(公告)日：2022-02-01
申请号：US16778829
申请日：2020-01-31
Inventor： Chan Jung Kim
Abstract: A sensitivity analyzing device and method are disclosed. The device includes a vibration exciter to configure a vibration exciting pattern and apply a physical force to one face of a test object based on the pattern; a first sensor in contact with the one face of the test object to measure a physical force applied to the test object; a second sensor in contact with an opposite face of the test object to collect a vibration of the test object caused by the physical force; and a sensitivity analyzer configured to: control the vibration exciter to configure the vibration exciting pattern; convert the physical force signal measured by the first sensor and the vibration signal collected by the second sensor in responses to the vibration exciting pattern into frequency domain signals to calculate a frequency response function of the test object; and calculate a sensitivity index of the test object.
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195.发明申请公开(公告)号：US20220002837A1
公开(公告)日：2022-01-06
申请号：US17436031
申请日：2019-03-05
Inventor： Jei Pil WANG
Abstract: The present invention relates to a method and an apparatus for recovering copper, bronze and lead by allowing methane gas to flow into a reactor and heat-treating a mixture of copper oxide, tin oxide and lead oxide under a temperature condition of 700-900° C., and comprises the steps of: placing a mixture of copper oxide, tin oxide and lead oxide in a reactor; increasing the temperature inside the reactor; and allowing a reductive gas to flow into the reactor so as to heat-treat the mixture.
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Patent Agency Ranking
公开(公告)号：US20210325449A1
公开(公告)日：2021-10-21
申请号：US16909167
申请日：2020-06-23
Inventor： Hansang Kwon
Abstract: This application relates to a method of preparing a composite material for a semiconductor test socket, and a composite material prepared through the method. In one embodiment, the method includes preparing a powder mixture including (i) a metal powder comprising aluminum or aluminum alloy particles and magnesium particles and (ii) a polymer powder. The method may also include sintering the powder mixture to produce the composite material using a spark plasma sintering (SPS) process. This application also relates to a method of manufacturing a semiconductor test socket, the method including forming an insulating portion of the semiconductor test socket with the composite material. This application further relates to a semiconductor test socket produced through the method.
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公开(公告)号：US11053568B2
公开(公告)日：2021-07-06
申请号：US16335071
申请日：2017-08-24
Inventor： Hansang Kwon
IPC: C22C1/05 , C04B35/52 , C04B35/626 , C04B35/64 , C01B32/178
Abstract: The present invention provides a method of manufacturing a single-walled-carbon-nanotube-reinforced metal matrix complex material. The method includes (a) manufacturing a complex powder by performing ball milling of a metal powder and a single-walled carbon nanotube powder, and (b) manufacturing a metal-carbon-nanotube complex material by spark-plasma-sintering (SPS) the complex powder manufactured during step (a). According to the method of manufacturing the single-walled-carbon-nanotube-reinforced metal matrix complex material according to the present invention, in order to manufacture material parts requiring high strength and abrasion resistance, the single-walled carbon nanotube powder is added to various metal matrixes and ball milling is performed, thus manufacturing a complex powder having uniform dispersity. The manufactured complex powder is subjected to complexation in a short period of time using a spark-plasma-sintering (SPS) process, thereby easily manufacturing a bulk-type single-walled-carbon-nanotube-reinforced metal matrix complex material having excellent physical properties.
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公开(公告)号：US20200298348A1
公开(公告)日：2020-09-24
申请号：US16898937
申请日：2020-06-11
Inventor： Sang-Myung Cho , Dong-Soo Oh , Hyo-Sik Ham , Hyeon-Joo Ha , Hee-Seop Shin , Jae-Ho Jun , Jae-Gyu Byun , Jung-Hyun Park , Hyuk-Yong Kwon
Abstract: The present invention provide a filler metal for TIG welding capable of stable welding, of which heat flux feeding area is wider than conventional wire filler metal and heat input per unit length is increased. The filler metal for TIG welding which is continuously supplied on a base metal to be melted by an arc after forming the arc between the base metal and an electrode over the base metal and supplying shield gas around the arc, wherein the cross-section of the filler metal has curved shape of which surface facing the electrode is concavely curved to the electrode
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199.发明申请公开(公告)号：US20200298308A1
公开(公告)日：2020-09-24
申请号：US16427582
申请日：2019-05-31
Inventor： Hansang KWON
Abstract: Disclosed are a method of manufacturing an aluminum alloy clad section, and an aluminum alloy clad section manufactured by the method. The method includes preparing a composite powder by ball-milling aluminum powder and carbon nanotubes, preparing a billet from the composite powder, and subjecting the billet to direct extrusion using an extrusion die. The method is simple in procedure and uses simple equipment because it is based on direct extrusion which is suitable for mass production. Thus, the method is capable of producing a lightweight high-strength functional aluminum alloy clad section having a competitive advantage in terms of price over conventional aluminum alloy clad sections.
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公开(公告)号：US10780187B2
公开(公告)日：2020-09-22
申请号：US15842651
申请日：2017-12-14
Inventor： Hyun Wook Kang , Don Haeng Lee
Abstract: Provided are an apparatus and method for sterilizing an internal channel surface of an endoscope, and more particularly, to an apparatus and method for sterilizing an internal channel surface of an endoscope, in which ultrasonic and infrared rays are irradiated to an internal channel of the endoscope to partially or entirely sterilize and removing a biofilm generated on the internal channel surface of the endoscope during a procedure or diagnosis.
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