Patents by Inventor Hak Soo Kim

Hak Soo Kim 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: 11505854
    Abstract: The present disclosure relates to an iron-based prealloy powder having excellent strength and processability, and an iron-based alloy powder for powder metallurgy and a sinter-forged member using the same. The iron-based prealloy powder for powder metallurgy according to an embodiment of the present disclosure includes 0.5 to 5.0 wt % of Cu, 0.1 to 0.5 wt % of Mo, and a balance of Fe and other inevitable impurities. A Cu content (Cu %) and a Mo content (Mo %) satisfy the following Relational Equation (1): 0.3×Cu %+3×Mo %?2.7??(1).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: November 22, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, JFE STEEL CORPORATION
    Inventors: Hak Soo Kim, Kohsuke Ashizuka, Akio Kobayashi, Naomichi Nakamura, Masashi Fujinaga, Toshio Maetani, Hirofumi Enokido, Hisashi Sudo
  • Publication number: 20220348825
    Abstract: Provided is an etchant composition for a semiconductor substrate which may selectively etch a high-concentration doped layer of an extrinsic semiconductor, and according to the present disclosure, an etchant composition for a semiconductor substrate which, in etching an extrinsic semiconductor substrate including doped layers having different doping concentrations, may etch the high-concentration doped layer at a high selection ratio, and suppress bubble formation during an etching process to allow uniform and stable etching, an etching method using the same, and a manufacturing method of a semiconductor substrate may be provided.
    Type: Application
    Filed: April 22, 2022
    Publication date: November 3, 2022
    Inventors: Jeong Sik OH, Hak Soo KIM, Myung Ho LEE
  • Patent number: 11471701
    Abstract: A body-insertable device having an adjustable radiation emission direction and radiation emission range, which includes a first outer body extending to be long and an accommodation space having a first accommodation space and a second accommodation space having different distances to the first outer body.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: October 18, 2022
    Assignee: NATIONAL CANCER CENTER
    Inventors: Young Kyung Lim, Ui Jung Hwang, Young Moon Goh, Hak Soo Kim, Dong Ho Shin, Se Byeong Lee, Jong Hwi Jeong, Joo Young Kim, Tae Hyun Kim
  • Patent number: 11396636
    Abstract: Proposed is a mineral lubricating base oil having improved low-temperature performance, in which the lubricating base oil has kinematic viscosity of 9.0 cSt or less (at 40° C.), kinematic viscosity of 2.5 cSt or less (at 100° C.), and a pour point of ?50° C. or less.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: July 26, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Seung Eon Lee, Hak Mook Kim, Jin Hee Ok, Kyung Seok Noh, Jun Soo Park, Yong Rae Cho
  • Patent number: 11389993
    Abstract: A vehicle interior material manufacturing apparatus includes a preheater for preheating a raw fabric, a mover for moving the preheated raw fabric and including a stretching jig movable back and forth, a first mold into which the preheated raw fabric is inserted by the mover, a second mold having an at least partially corresponding shape to the first mold, and an injection resin introduced into the second mold, wherein the first mold includes: a base member on which an embossed pattern to be transferred to the preheated raw fabric is formed, a vacuum hole through which the preheated raw fabric is adsorbed onto the base member, and a spring core protruding from the base member and contacting at least a portion of the preheated raw fabric inserted into the first mold.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: July 19, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Seoyon E-HWA Co., Ltd.
    Inventors: Hak Soo Kim, Yongho Kim, Hanki Lee, Mungyu Bak, Juseong Park, Seong Kwon Go, Chi Won Yoon
  • Patent number: 11382480
    Abstract: An autonomous cleaner includes a body having a first housing formed at a front and a second housing formed at a rear of the first housing; a brush unit installed at the first housing and configured to sweep and collect dust from a floor; a dust collecting unit installed at the second housing and configured to store the dust inlet into the brush unit; a driving unit to drive the body and coupled to the second housing to be positioned at a lateral side of the dust collecting unit; and a power unit installed at the second housing and coupled to be positioned at a rear of the dust collecting unit. The miniaturization of the autonomous cleaner may be provided while at the same time the capacity of a dust collecting container and the capacity of a battery are increased.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: July 12, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hwi-Chan Jang, Tae Soo Kim, Hyun Soo Jung, Sang Hwa Choi, Sang Sik Yoon, Shin Kim, Jin Hee Kim, Yeon Kyu Jeong, Hak Bong Lee, Young Ho Ko, Kyoung Woung Kim
  • Publication number: 20220062982
    Abstract: A die-casting method using a sintered material increases bonding strength between an insert and a casting portion. A die-cast product is manufactured using the die-casting method. The die-casting method includes an insert preparation step of preparing an insert having pores formed in a surface thereof by compacting iron-based powder and then sintering the compacted iron-based powder. The pores have a size of 100 ?m or more and are distributed over the surface of the insert and the insert has a density of 6.4 to 6.9 g/cm3 The method includes a die-casting step of placing the prepared insert inside a mold and injecting molten aluminum into the mold so as to perform casting while causing the molten aluminum to infiltrate into the pores formed in the surface of the insert.
    Type: Application
    Filed: November 5, 2020
    Publication date: March 3, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hak Soo Kim, Seok Jun Kim
  • Publication number: 20210292985
    Abstract: The present invention relates to a physical catchment model for a rainfall runoff experiment, characterized by being a physical catchment construction model having a structure in which a real terrain miniature is disposed at one side thereof and a developed terrain miniature is disposed at the adjacent other side thereof.
    Type: Application
    Filed: April 19, 2019
    Publication date: September 23, 2021
    Inventors: Hak Soo KIM, Taek Jo KOH, Sung Je YE, Hyang Seo JEONG, HYUN SUK SHIN, Sang Min HA
  • Publication number: 20210252595
    Abstract: An outer ring for a variable oil pump including 0.5 to 0.7% by weight of carbon (C), 2.9 to 3.8% by weight of nickel (Ni), 1.3 to 1.7% by weight of copper (Cu), 0.4 to 0.6% by weight molybdenum (Mo), and a remainder of iron (Fe) and unavoidable impurities, in which austenite occupies less than 15% of a total area, and a method of manufacturing the same are provided, and a method of manufacturing the same are provided.
    Type: Application
    Filed: May 26, 2020
    Publication date: August 19, 2021
    Inventors: Hak Soo Kim, Sung Min Kim
  • Publication number: 20210071286
    Abstract: The present disclosure relates to an iron-based prealloy powder having excellent strength and processability, and an iron-based alloy powder for powder metallurgy and a sinter-forged member using the same. The iron-based prealloy powder for powder metallurgy according to an embodiment of the present disclosure includes 0.5 to 5.0 wt % of Cu, 0.1 to 0.5 wt % of Mo, and a balance of Fe and other inevitable impurities. A Cu content (Cu %) and a Mo content (Mo %) satisfy the following Relational Equation (1): 0.3×Cu %+3×Mo %?2.7??(1).
    Type: Application
    Filed: March 26, 2020
    Publication date: March 11, 2021
    Inventors: Hak Soo KIM, Kohsuke Ashizuka, Akio Kobayashi, Naomichi Nakamura, Masashi Fujinaga, Toshio Maetani, Hirofumi Enokido, Hisashi Sudo
  • Publication number: 20210062752
    Abstract: A method of manufacturing an engine piston may include performing upper-body formation for forming an upper body as an upper portion of a piston body by pressing a powder-type sintered material, performing lower-body formation for forming a lower body as a lower portion of the piston body by pressing a powder-type sintered material, performing bonding for forming the piston body by providing a brazing material between the upper body and the lower body and brazing the upper body and the lower body to each other while sintering a sintered material, performing machining for removing pores from the surface of the piston body by machining the surface, and performing heat treatment for forming a passive film by performing at least one of nitriding heat treatment or oxidation heat treatment on the surface of the piston body.
    Type: Application
    Filed: November 13, 2020
    Publication date: March 4, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Hak Soo KIM
  • Patent number: 10871126
    Abstract: A method of manufacturing an engine piston may include performing upper-body formation for forming an upper body as an upper portion of a piston body by pressing a powder-type sintered material, performing lower-body formation for forming a lower body as a lower portion of the piston body by pressing a powder-type sintered material, performing bonding for forming the piston body by providing a brazing material between the upper body and the lower body and brazing the upper body and the lower body to each other while sintering a sintered material, performing machining for removing pores from the surface of the piston body by machining the surface, and performing heat treatment for forming a passive film by performing at least one of nitriding heat treatment or oxidation heat treatment on the surface of the piston body.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: December 22, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Hak Soo Kim
  • Patent number: 10745547
    Abstract: A polypropylene composite resin composition includes: 30 to 70% by weight of high crystalline block copolymer polypropylene, based on the total weight of the polypropylene composite resin composition; 10 to 20% by weight of a rubber elastomer, based on the total weight of the polypropylene composite resin composition; 10 to 18% by weight of a reinforcing material, based on the total weight of the polypropylene composite resin composition; 2 to 4% by weight of a mercaptosilane coupling agent, based on the total weight of the polypropylene composite resin composition; and 1 to 5% by weight of a slip agent, based on the total weight of the polypropylene composite resin composition.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: August 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, DAE Ha Co., Ltd.
    Inventors: Hak Soo Kim, Han Ki Lee, Mun Gyu Bak, Wan Ho Son, Jae Hyun Choi
  • Publication number: 20200246634
    Abstract: A body-insertable device having an adjustable radiation emission direction and radiation emission range, which includes a first outer body extending to be long and an accommodation space having a first accommodation space and a second accommodation space having different distances to the first outer body.
    Type: Application
    Filed: August 27, 2018
    Publication date: August 6, 2020
    Applicant: NATIONAL CANCER CENTER
    Inventors: Young Kyung LIM, Ui Jung HWANG, Young Moon GOH, Hak Soo KIM, Dong Ho SHIN, Se Byeong LEE, Jong Hwi JEONG, Joo Young KIM, Tae Hyun KIM
  • Publication number: 20200123997
    Abstract: A method of manufacturing an engine piston may include performing upper-body formation for forming an upper body as an upper portion of a piston body by pressing a powder-type sintered material, performing lower-body formation for forming a lower body as a lower portion of the piston body by pressing a powder-type sintered material, performing bonding for forming the piston body by providing a brazing material between the upper body and the lower body and brazing the upper body and the lower body to each other while sintering a sintered material, performing machining for removing pores from the surface of the piston body by machining the surface, and performing heat treatment for forming a passive film by performing at least one of nitriding heat treatment or oxidation heat treatment on the surface of the piston body.
    Type: Application
    Filed: March 13, 2019
    Publication date: April 23, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Hak Soo KIM
  • Patent number: 10562102
    Abstract: A green compact of a sintered connecting rod is provided comprising a first end having a circular shape formed from a first powder, and connected to a crank shaft. A second end having a circular shape is formed from a second powder, and connected to a piston, wherein a diameter of the first end is larger than a diameter of the second end. A rod connects the first end and the second end.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: February 18, 2020
    Assignee: Hyundai Motor Company
    Inventor: Hak-Soo Kim
  • Patent number: 10556982
    Abstract: A thermoplastic polyurethane resin composition having enhanced texture and durability is capable of ensuring excellent appearance quality by applying polyester polyol including, polytetramethylene ether glycol and polydimethylsiloxane diol to an existing thermoplastic polyurethane resin composition, having excellent mechanical properties and long-term durability, such as anti-scratch and abrasion resistance, while largely enhancing texture quality, largely reducing producing costs by replacing a material such as natural leather, reducing generation of a volatile organic compound (VOC), and using the VOC in a surface material for a vehicle interior material.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: February 11, 2020
    Assignee: Hyundai Motor Company
    Inventors: Hak Soo Kim, Sang Yun Lee, Jae Chan Lee, Dae Young Kwon
  • Patent number: 10550255
    Abstract: According to an aspect of the present disclosure, a polyolefine resin composition includes 1 to 20 parts by weight of one polyolefine resin having a first melt index; 1 to 20 parts by weight of another polyolefine resin having a second melt index different from the first melt index; 60 to 85 parts by weight of an inorganic filler; and 5 to 20 parts by weight of a fluorine-acrylic copolymer-based compound.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: February 4, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hanki Lee, Hak Soo Kim, Hyeong Shin Lee, Hyun Jin Kim, Byung Kook Nam
  • Patent number: 10550250
    Abstract: Compositions of high-rigid polypropylene composite resin are provided herein. Such compositions having excellent tactile sensation and dimensional stability, and more particularly, the compositions of polypropylene composite resin having excellent tactile sensation such as thermoplastic rubber, excellent impact strength and rigidity, and low shrinkage anisotropy. The compositions of polypropylene composite resin provided herein also have excellent impact strength and rigidity as well as excellent tactile sensation such as a thermoplastic rubber and low shrinkage anisotropy. Thus, they exhibit excellent moldability and the compositions can be molded into a vehicle component. Furthermore, the compositions of polypropylene composite resin have excellent tactile sensation and can be used as a high-quality material that does not require separate painting and maintains excellent physical properties and dimensional stability as a vehicle component.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: February 4, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, GS CALTEX, SEOYON E-HWA
    Inventors: Han Ki Lee, Jung Gyun Noh, Hak Soo Kim, Kyung Soon Jang, Yong Ho Kim, Dong Han Kim, Woong Jae Boo, Byung Wook Kang, Seung Joon Lee, Won Gil Kim
  • Patent number: 10472508
    Abstract: A polypropylene composite resin composition with fiber texture includes a polypropylene resin including homo-polypropylene, a first ethylene-propylene copolymer, a second ethylene-propylene copolymer or a combination thereof, and an ethylene/?-olefin copolymer, and a molded article manufactured using the same.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: November 12, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai EP Co., Ltd.
    Inventors: Han Ki Lee, Hak Soo Kim, Chang Hyeon Noh, Dong Han Kim, Kyung Soon Jang, Beom Ho Kim, Hyeok Lee, Wan Jo