Patents by Inventor Nam-A Park

Nam-A Park 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: 10693136
    Abstract: Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in a internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: June 23, 2020
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Jong Seung Shin, Dong Hee Kim, Suk Yong Jeon, Hyun Jong Yu, Kyoung Jun Lee, Young Nam Park
  • Publication number: 20200176293
    Abstract: A semiconductor wafer storage system includes a container that provides a space in which a semiconductor wafer is to be stored, a fluid supply that provides a fluid to the container, a connection part that receives the fluid from the fluid supply and transfers the fluid to the container, and a nozzle part that connects the connection part to the container. The container may include a coupling plate to which the nozzle part is coupled, and the nozzle part may include a first nozzle and a second nozzle.
    Type: Application
    Filed: August 1, 2019
    Publication date: June 4, 2020
    Inventors: Sangkyung LEE, Yong-Jun AHN, Taijo JEON, Kyubum CHO, Jongsam KIM, Gi-Nam PARK, Chul-Jun PARK, Junyong LEE
  • Patent number: 10668182
    Abstract: The present invention relates to a method for preparing a medical material for replacing a hard tissue defect and a medical material produced therefrom. More specifically, in the present invention, powders of bioactive glass are press-molded, and are then subjected to a first heat treatment at a relatively low temperature below the glass transition temperature of bioactive glass. Then, the resultant is processed into a desired shape and then subjected to a second heat treatment at a temperature higher than the glass transition temperature of bioactive glass. Accordingly, the present invention provides a medical material which can be customized to a desired shape of a hard tissue defect in a living body and minimize thermal shock, and which is capable of exhibiting a bone fusion property, while overcoming the low compressive strength drawback of hydroxyapatite, which is an existing hard tissue replacement material currently in use.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 2, 2020
    Assignee: Bioalpha Corporation
    Inventors: Mi Young Ryu, Sung Nam Park, Jun Hyuk Seo, Hyun Seung Ryu
  • Patent number: 10665483
    Abstract: An apparatus for treating a substrate includes a chamber including a space in which a substrate is treated, a support member disposed in the chamber and supporting the substrate, and a heating member for heating the substrate. The space is divided into an upper space and a lower space by the support member. The support member includes a support plate receiving the substrate, a base supporting the support plate, exposing a bottom surface of the support plate and including a cut region formed in an edge portion of the base, and an adjustment block held in the cut region and coupled to the base. The cut region fluidly connects the upper space to the lower space. The adjustment block divides the cut region into a plurality of vents.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: May 26, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gi-Nam Park, Bokyung Jung, Leekwon Gil, Jungwoo Seo, Dongseok Baek, Nam Hoon Lee, Jonghyun Lee
  • Publication number: 20200095656
    Abstract: The present invention discloses a gold-colored steel sheet capable of expressing color without peeling of a modified layer and the gold-colored steel sheet capable of forming a color-modified layer through a conventional annealing process without expensive facilities. A method of manufacturing the gold-colored steel sheet according to an embodiment of the present invention can form a TiN modified layer on a surface of a steel sheet comprising 0.3 to 1.5 wt % of titanium (Ti) by an annealing treatment in a nitrogen (N2) atmosphere at 900 to 1,200° C. for 30 to 300 seconds.
    Type: Application
    Filed: May 15, 2017
    Publication date: March 26, 2020
    Inventors: Jung-Hyun Kong, Sang Seok Kim, Min Nam Park, Dong Chul Chae
  • Patent number: 10599264
    Abstract: A touch screen panel includes a plurality of sensing electrodes arranged in a touch active area, a charge pump circuit for generating an output voltage based on an input voltage and at least one clock signal, a clock signal generator for generating the clock signal, and a touch driver for generating touch driving signals by using the output voltage and applying the touch driving signals to the sensing electrodes. In the touch screen panel, the clock signal and the touch driving signals are synchronized with each other.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: March 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Nam Park, Jeong Kyoo Kim, Kyung Youl Min, Young Uk Won
  • Publication number: 20200087745
    Abstract: Provided are a ferritic stainless steel having an excellent strength and corrosion resistance to acid and a method of manufacturing the same. The ferritic stainless steel according to an embodiment of the present disclosure includes, by weight %, 0.1% to 0.2% of carbon (C), 0.005% to 0.05% of nitrogen (N), 0.01% to 0.5% of manganese (Mn), 12.0% to 19.0% of chrome, 0.01% to 0.5% of nickel (Ni), 0.3% to 1.5% of copper (Cu), the remainder iron (Fe) and other inevitable impurities, wherein a number of carbides having a diameter of 100 nm or more per unit area is 50 ea/100 ?m2 to 200 ea/100 ?m2.
    Type: Application
    Filed: December 6, 2017
    Publication date: March 19, 2020
    Inventors: Ji Eon PARK, Mi Nam PARK
  • Publication number: 20200080178
    Abstract: The present invention minimizes the addition of alloying elements to reduce surface cracking during hot rolling, ensures corrosion resistance by constituting Cr as one of the main components, and realizes a TRIP or TWIP phenomenon through a high Mn design, thereby providing a low alloy steel sheet with excellent hot workability, strength and ductility. The low alloy steel sheet excellent in strength and ductility according to an embodiment of the present invention comprises, in percent (%) by weight of the entire composition, 0.05 to 0.3% of carbon (C), 0.7 to 2.5% of silicon (Si), 8 to 12% of manganese (Mn), 13 to 15.5% of chromium (Cr), 0.5 to 3.0% of copper (Cu), 0.1 to 0.2% of nitrogen (N), 0.25% or less of aluminum (Al), 0.25% or less of tin (Sn), and the remainder of iron (Fe) and other inevitable impurities. The microstructure of the low alloy steel sheet comprises at least one of a ferrite phase and a martensite phase at a volume fraction of 5% or less, and the remainder includes an austenite phase.
    Type: Application
    Filed: May 24, 2017
    Publication date: March 12, 2020
    Inventors: Jeom Yong CHOI, Mi Nam PARK, Min Hyoung LEE
  • Publication number: 20200036006
    Abstract: Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in a internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Inventors: Moon Ho CHOI, Jong Seung SHIN, Dong Hee KIM, Suk Yong JEON, Hyun Jong YU, Kyoung Jun LEE, Young Nam PARK
  • Publication number: 20190392999
    Abstract: Disclosed is a capacitor that is not easily degraded to stably maintain the performance for a long time. The electrochemical capacitor includes a first electrode provided in a rolled sheet form and having active material layers coated on both surfaces thereof; a second electrode provided in a rolled sheet form at an outer side of the first electrode to face the first electrode and having active material layers coated on both surfaces thereof; and a separator interposed and rolled between the first electrode and the second electrode, wherein at least a portion of an outermost layer of the first electrode is exposed to the outside.
    Type: Application
    Filed: June 1, 2017
    Publication date: December 26, 2019
    Inventors: Sol-Seon OH, Jung-Ho CHOI, Kyong KWON, Jung-Hoon CHAE, A-Rum CHANG, Gye-Nam PARK, Hyeon-Jin KIM
  • Patent number: 10483540
    Abstract: Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in a internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: November 19, 2019
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Jong Seung Shin, Dong Hee Kim, Suk Yong Jeon, Hyun Jong Yu, Kyoung Jun Lee, Young Nam Park
  • Patent number: 10373938
    Abstract: A light-emitting element provides a substrate; a plurality of light-emitting cells arranged on the substrate and spaced apart from each other; a connection wire configured to electrically interconnect the light-emitting cells; a first bonding pad electrically connected to the second conductive semiconductor layer of a first light-emitting cell among the light-emitting cells; and a second bonding pad electrically connected to the first conductive semiconductor layer of a second light-emitting cell among the light-emitting cells, wherein a boundary area includes a first boundary disposed between the light-emitting cells adjacent to each other in a first direction among the plurality of light-emitting, and wherein all of the first boundary areas are spaced apart from each other in the first direction.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: August 6, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Yong Nam Park
  • Publication number: 20190157672
    Abstract: The present invention relates to a lithium metal complex oxide and a preparation method thereof, and more particularly, to a lithium metal complex oxide mixed with a metal compound for a lithium reaction, stirred and heat-treated to allow residual lithium and a metal compound for reducing lithium (or a metal compound for lithium reduction) to react with each other on a surface to form a product, which is included in the lithium metal complex oxide, in which the content of Ni3+ is higher than the content of Ni2+ and a ratio of Ni3+/Ni2+ is 1.5 or greater so that life characteristics and capacity characteristics are improved, while residual lithium is reduced, and a preparation method thereof.
    Type: Application
    Filed: November 23, 2018
    Publication date: May 23, 2019
    Inventors: Moon Ho Choi, Jong Hwan Park, Gyeong Jae Heo, Hyun Jong Yu, Yonghwan Gwon, Young Nam Park, Eun Byeol Hyeong
  • Patent number: 10293081
    Abstract: The present invention relates to a crystallized glass ceramic comprising 30 wt % to 40 wt % of each of CaSiO3, Ca10(PO4)6(OH)2, and Ca2Mg(Si2O7); a crystallized glass ceramic composition comprising CaSiO3, Ca10(PO4)6(OH)2, and Ca2Mg(Si2O7) in a predetermined weight ratio; a bone graft material comprising the glass ceramic; and an intervertebral spacer or medical device for replacement of bone tissue, which is manufactured using the bone graft material.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: May 21, 2019
    Assignee: BIOALPHA CORPORATION
    Inventors: Mi Young Ryu, Sung Nam Park, Jun Hyuk Seo, Hyun Seung Ryu
  • Patent number: 10282044
    Abstract: Disclosed is a touch sensing device, including: a touch panel unit including first electrodes and second electrodes; a driving unit configured to generate a driving signal for detecting a change in capacitance within the touch panel unit; a switching unit configured to transmit the driving signal generated by the driving unit to any one of the first electrodes of the touch panel unit, and receive noise from another one of the first electrodes of the touch panel unit; a noise sensing unit configured to sense the noise received from the switching unit; and a touch sensing unit configured to detect a touch position based on detection signals received through the second electrodes of the touch panel unit and the noise sensed by the noise sensing unit.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Youl Min, Jeong Kyoo Kim, Seung Nam Park
  • Publication number: 20190123350
    Abstract: The present invention relates to a method of preparing a positive electrode active material for a lithium secondary battery and the positive electrode active material for the lithium secondary battery prepared thereby, and more specifically, to a method of preparing a positive electrode active material for a lithium secondary battery, the method comprising doping or coating the positive electrode active material for the lithium secondary battery with a predetermined metal oxide, and the positive electrode active material for the lithium secondary battery which is prepared thereby and has a reduced amount of residual lithium.
    Type: Application
    Filed: March 27, 2017
    Publication date: April 25, 2019
    Inventors: MOON HO CHOI, JONG SEUNG SHIN, SUK YONG JEON, HYUN JONG YU, YOUNG NAM PARK
  • Patent number: 10269594
    Abstract: A transparent plate and a substrate processing system including the same are disclosed. The substrate processing system may include a chamber, a lamp provided below the chamber, and a plate provided in the chamber to load a substrate. The plate may include a center region having a first transmittance value and an edge region having with a second transmittance value higher than the first transmittance value.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: April 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Hoon Lee, Jungwoo Seo, Joonghan Shin, Byung Joo Oh, Jeongmin Lee, Gi-Nam Park, Jonghyun Lee
  • Publication number: 20190019782
    Abstract: A light-emitting element provides a substrate; a plurality of light-emitting cells arranged on the substrate and spaced apart from each other; a connection wire configured to electrically interconnect the light-emitting cells; a first bonding pad electrically connected to the second conductive semiconductor layer of a first light-emitting cell among the light-emitting cells; and a second bonding pad electrically connected to the first conductive semiconductor layer of a second light-emitting cell among the light-emitting cells, wherein a boundary area includes a first boundary disposed between the light-emitting cells adjacent to each other in a first direction among the plurality of light-emitting, and wherein all of the first boundary areas are spaced apart from each other in the first direction.
    Type: Application
    Filed: January 5, 2017
    Publication date: January 17, 2019
    Applicant: LG Innotek Co., Ltd.
    Inventor: Yong Nam PARK
  • Publication number: 20180256779
    Abstract: The present invention relates to a method for preparing a medical material for replacing a hard tissue defect and a medical material produced therefrom. More specifically, in the present invention, powders of bioactive glass are press-molded, and are then subjected to a first heat treatment at a relatively low temperature below the glass transition temperature of bioactive glass. Then, the resultant is processed into a desired shape and then subjected to a second heat treatment at a temperature higher than the glass transition temperature of bioactive glass. Accordingly, the present invention provides a medical material which can be customized to a desired shape of a hard tissue defect in a living body and minimize thermal shock, and which is capable of exhibiting a bone fusion property, while overcoming the low compressive strength drawback of hydroxyapatite, which is an existing hard tissue replacement material currently in use.
    Type: Application
    Filed: August 19, 2016
    Publication date: September 13, 2018
    Inventors: Mi Young Ryu, Sung Nam Park, Jun Hyuk Seo, Hyun Seung Ryu
  • Publication number: 20180258346
    Abstract: The present invention relates to liquid-crystalline media (LC media) comprising a low-molecular-weight component, a self-alignment additive comprising a thiol group and optionally a polymerizable component. The self-alignment additives effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The invention therefore also encompasses LC displays having homeotropic alignment of the liquid-crystalline medium (LC medium) without alignment layers. The invention discloses novel structures for self-alignment additives which have a thiol functional groups.
    Type: Application
    Filed: August 16, 2016
    Publication date: September 13, 2018
    Applicant: MERCK PATENT GMBH
    Inventors: Yong-Kuk YUN, Min-Ok JIN, Hyun-Jin YOON, Mi-Nam PARK, Rocco FORTTE, Graziano ARCHETTI, Thorsten KODEK, Izumi SAITO