Patents by Inventor In Seok Sohn

In Seok Sohn 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).

  • Publication number: 20240082902
    Abstract: Disclosed are a hot press-formed article and a method for manufacturing the same. The article is manufactured by hot press forming a galvanized steel sheet comprising a base steel plate and a zinc-based coat layer formed on a surface of the base steel plate, wherein the zinc-based coat layer contains at least one element selected from the group consisting of Sb, Sn, and Bi in a total amount of 0.05% to 2.0% by weight, and a balanced amount of Zn and inevitable impurities, at least 70% by weight of the at least one element selected from the group consisting of Sb, Sn, Bi being concentrated in a region 3 ?m or less distant from the surface of an alloyed zinc-based coat layer, formed by alloying the zinc-based coat layer, of the hot press-formed article.
    Type: Application
    Filed: October 30, 2023
    Publication date: March 14, 2024
    Applicant: POSCO CO., LTD
    Inventors: Hyeon-Seok Hwang, Il-Ryoung Sohn, Jong-Sang Kim
  • Publication number: 20240087800
    Abstract: A transformer, according to one embodiment, includes a core unit, a first coil unit and a second coil unit, and a terminal bobbin coupled to one side of the second coil unit in a first direction, wherein the first coil unit includes a first coil and a first bobbin, wherein the second coil unit includes a second coil and a second bobbin, wherein the terminal bobbin includes a plurality of first terminals disposed on one side of the terminal bobbin that is oriented in the first direction, and an opening formed in another side opposite the one side in the first direction to allow one side of the second coil unit to be inserted thereinto, and wherein two end portions of the first coil are led out from the first bobbin and are respectively connected to different first terminals among the plurality of first terminals of the terminal bobbin.
    Type: Application
    Filed: January 20, 2022
    Publication date: March 14, 2024
    Inventors: Sun Young YU, Seok BAE, In Seong SOHN
  • Patent number: 11930670
    Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: March 12, 2024
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA Campus
    Inventors: Sang Woo Sohn, Saeroonter Oh, Joon Seok Park, Young Joon Choi, Su Hyun Kim, Jun Hyung Lim
  • Patent number: 10773728
    Abstract: Provided are a signal processing system and a signal processing method for sensors of a vehicle. More particularly, the signal processing system includes: a vehicle sensor unit 100 including the plurality of sensors previously provided in the vehicle and transmitting sensing information acquired through the sensors; an arithmetic and control unit 200 receiving sensing information from the vehicle sensor unit 100, and comparing and analyzing the received sensing information to discriminate only normal sensing information from the sensing information and set and transmit the normal sensing information as output information; and a display unit 300 including a plurality of displays previously provided in the vehicle, transmitting the output information received from the arithmetic and control unit 200 to the matched display of the plurality of displays, and outputting the output information through the matched display of the plurality of displays.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: September 15, 2020
    Assignee: COAVIS
    Inventors: Young Sub Jang, In Seok Sohn
  • Patent number: 10605644
    Abstract: Provided is a complementary apparatus for measuring a level of urea water includes an ultrasonic measurement unit installed inside a urea water tank to measure a level of urea water using an ultrasonic wave, an inductance measurement unit including a winding coil wound in a vertical direction inside the urea water tank and having a winding density varied toward one side, and measuring a level of urea water using inductance measured as a current is applied to the winding coil, a temperature measurement unit installed in the urea water tank and measuring a temperature, and a controller determining whether to operate the ultrasonic measurement unit or the inductance measurement unit according to the temperature measured by the temperature measurement unit or selectively outputting a level of urea water measured by the ultrasonic measurement unit and the inductance measurement unit.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: March 31, 2020
    Assignee: COAVIS
    Inventors: Dong Heon Mo, Jin Hwa Jung, In Seok Sohn, Hyun Tae Lee
  • Patent number: 10447121
    Abstract: The present invention relates to a fuel pump for vehicle supplying power to a commutator and an armature through a brush to prevent the brush from shake, which comprises the brush, a spring mounted on a top of the brush, the commutator contacted to a bottom of the brush, a brush holder surrounding the brush and the spring, and a first hole formed for fuel flow at a front side of the brush holder in a rotational direction of the commutator based on the brush.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: October 15, 2019
    Assignee: COAVIS
    Inventors: Hyun Tae Lee, Gyu Sang Yu, In Seok Sohn
  • Publication number: 20190092339
    Abstract: Provided are a signal processing system and a signal processing method for sensors of a vehicle. More particularly, the signal processing system includes: a vehicle sensor unit 100 including the plurality of sensors previously provided in the vehicle and transmitting sensing information acquired through the sensors; an arithmetic and control unit 200 receiving sensing information from the vehicle sensor unit 100, and comparing and analyzing the received sensing information to discriminate only normal sensing information from the sensing information and set and transmit the normal sensing information as output information; and a display unit 300 including a plurality of displays previously provided in the vehicle, transmitting the output information received from the arithmetic and control unit 200 to the matched display of the plurality of displays, and outputting the output information through the matched display of the plurality of displays.
    Type: Application
    Filed: March 20, 2018
    Publication date: March 28, 2019
    Inventors: Young Sub JANG, In Seok SOHN
  • Patent number: 10191933
    Abstract: The present invention relates to a system for managing IFC versions by comparing two or more IFC files produced with a time interval therebetween so as to trace the alteration history, and to a method for managing the IFC file version thereof. A system for managing the IFC versions includes: a comparison target processing unit for acquiring first IFC file attribute information concerning a first IFC file and second IFC file attribute information concerning at least one second IFC file; a GUID comparison engine for comparing a first IFC file GUID set containing first IFC GUIDs with a second IFC file GUID set containing second IFC GUIDs; and a spatial object comparison engine for comparing a first IFC file spatial object information set containing first IFC file spatial objects with a second IFC file spatial object information set containing second IFC file spatial objects.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: January 29, 2019
    Assignee: SEOKYOUNG SYSTEMS
    Inventors: Young Seok Sohn, Sang Deok Choi
  • Patent number: 10119509
    Abstract: A multi-stage fuel pump includes a casing having a fuel intake formed on one side thereof and a fuel discharge port formed on the other side thereof, and a plurality of impellers provided within the casing, having a plurality of blades disposed on a circumferential surface in an outward direction of the circumferential surface and having blade chambers formed between the blades and penetrating through upper and lower surfaces of the impellers to allow fuel to be discharged and introduced to and from upper and lower sides of the blades, and formed in multiple stages, wherein fuel intaken through the fuel intake according to rotation of the impellers is discharged to the fuel discharge port through the blade chambers of the impellers, and the numbers of the blades of each of the impellers are different, thereby reducing blade passage frequency (BPF) noise generated according to rotation of the impellers.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: November 6, 2018
    Assignee: COAVIS
    Inventors: Gyu Sang Yu, Won Young Choi, In Seok Sohn
  • Publication number: 20180292249
    Abstract: Provided is a complementary apparatus for measuring a level of urea water includes an ultrasonic measurement unit installed inside a urea water tank to measure a level of urea water using an ultrasonic wave, an inductance measurement unit including a winding coil wound in a vertical direction inside the urea water tank and having a winding density varied toward one side, and measuring a level of urea water using inductance measured as a current is applied to the winding coil, a temperature measurement unit installed in the urea water tank and measuring a temperature, and a controller determining whether to operate the ultrasonic measurement unit or the inductance measurement unit according to the temperature measured by the temperature measurement unit or selectively outputting a level of urea water measured by the ultrasonic measurement unit and the inductance measurement unit.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 11, 2018
    Inventors: Dong Heon MO, Jin Hwa JUNG, In Seok SOHN, Hyun Tae LEE
  • Publication number: 20170117772
    Abstract: The present invention relates to a fuel pump for vehicle supplying power to a commutator and an armature through a brush to prevent the brush from shake, which comprises the brush, a spring mounted on a top of the brush, the commutator contacted to a bottom of the brush, a brush holder surrounding the brush and the spring, and a first hole formed for fuel flow at a front side of the brush holder in a rotational direction of the commutator based on the brush.
    Type: Application
    Filed: October 20, 2016
    Publication date: April 27, 2017
    Inventors: Hyun Tae LEE, Gyu Sang YU, In Seok SOHN
  • Patent number: 9581473
    Abstract: The following disclosure relates to a flow rate measuring device and method capable of correcting a gradient. More particularly, the following disclosure relates to a flow rate measuring device and method capable of correcting a gradient that may measure a flow rate having a minimized measurement error by including a sensor unit provided on a bottom surface of an inner portion of a fuel tank in order to accurately measure a flow rate value remaining in the fuel tank to obtain distance information between the bottom surface of the fuel tank and an oil surface and gradient information of the fuel tank itself.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: February 28, 2017
    Assignee: COAVIS
    Inventors: Suk Min Yoon, Young Sub Jang, Se Jin Kim, In Gon Kim, In Seok Sohn
  • Patent number: 9576715
    Abstract: Provided is a device for magnetizing a ring-shaped magnet for a brushless direct current (BLDC) motor, including: a rotor having a ring-shaped magnet installed on an outer peripheral surface of a rotor core; and a plurality of magnetizing yokes disposed so as to be spaced apart from each other by a predetermined interval while facing an outer peripheral surface of the ring-shaped magnet, magnetizing the ring-shaped magnet to form even-numbered unit magnets, and magnetizing the ring-shaped magnet only in regions except for one end and the other end of the unit magnets.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: February 21, 2017
    Assignee: COAVIS
    Inventors: Seong Hwan Moon, Wan Sung Pae, In Seok Sohn
  • Patent number: 9546666
    Abstract: Provided is an impeller for a fuel pump of a vehicle capable of decreasing a magnitude of high frequency fluid noise due to high speed rotation of the impeller by upper and lower blades of impeller blades positioned between upper and lower casings of the fuel pump and coupled to a shaft of a driving motor to deliver a fuel by rotational force so as to have asymmetrical angles based on the center of a thickness of an impeller body in sucking the fuel from a fuel tank and supplying the fuel to an engine of an internal combustion engine.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: January 17, 2017
    Assignee: COAVIS
    Inventors: Bong Ju Lee, Hyun Tae Lee, Seong Hwan Moon, Mun Sik Jeon, In Seok Sohn
  • Publication number: 20160161309
    Abstract: The following disclosure relates to a flow rate measuring device and method capable of correcting a gradient. More particularly, the following disclosure relates to a flow rate measuring device and method capable of correcting a gradient that may measure a flow rate having a minimized measurement error by including a sensor unit provided on a bottom surface of an inner portion of a fuel tank in order to accurately measure a flow rate value remaining in the fuel tank to obtain distance information between the bottom surface of the fuel tank and an oil surface and gradient information of the fuel tank itself.
    Type: Application
    Filed: December 3, 2015
    Publication date: June 9, 2016
    Inventors: Suk Min Yoon, Young Sub Jang, Se Jin Kim, In Gon Kim, In Seok Sohn
  • Publication number: 20160123288
    Abstract: A multi-stage fuel pump includes a casing having a fuel intake formed on one side thereof and a fuel discharge port formed on the other side thereof, and a plurality of impellers provided within the casing, having a plurality of blades disposed on a circumferential surface in an outward direction of the circumferential surface and having blade chambers formed between the blades and penetrating through upper and lower surfaces of the impellers to allow fuel to be discharged and introduced to and from upper and lower sides of the blades, and formed in multiple stages, wherein fuel intaken through the fuel intake according to rotation of the impellers is discharged to the fuel discharge port through the blade chambers of the impellers, and the numbers of the blades of each of the impellers are different, thereby reducing blade passage frequency (BPF) noise generated according to rotation of the impellers.
    Type: Application
    Filed: November 2, 2015
    Publication date: May 5, 2016
    Inventors: Gyu Sang Yu, Won Young Choi, In Seok Sohn
  • Publication number: 20160054168
    Abstract: Provided is an apparatus for sensing a fuel level, and more particularly, an apparatus for sensing a fuel level that is installed in a fuel tank of a vehicle to sense the fuel level. The apparatus for sensing a fuel level may improve reliability of the sensing of the level because a pipe is vertically installed in the fuel tank and an ultrasonic wave sensor is provided to a lower end of an interior of the pipe to measure the level of the fuel by an ultrasonic wave, and a filter is installed in a fuel inflow and outflow hole formed in the pipe and prevents an inflow of foreign materials into the pipe, thereby making it possible to more accurately sense the level of the fuel.
    Type: Application
    Filed: August 24, 2015
    Publication date: February 25, 2016
    Inventors: Se Jin Kim, Suk Min Yun, Sun Bok Baek, In Seok Sohn
  • Publication number: 20150379063
    Abstract: The present invention relates to a system for managing IFC versions by comparing two or more IFC files produced with a time interval therebetween so as to trace the alteration history, and to a method for managing the IFC file version thereof. A system for managing the IFC versions includes: a comparison target processing unit for acquiring first IFC file attribute information concerning a first IFC file and second IFC file attribute information concerning at least one second IFC file; a GUID comparison engine for comparing a first IFC file GUID set containing first IFC GUIDs with a second IFC file GUID set containing second IFC GUIDs; and a spatial object comparison engine for comparing a first IFC file spatial object information set containing first IFC file spatial objects with a second IFC file spatial object information set containing second IFC file spatial objects.
    Type: Application
    Filed: January 16, 2013
    Publication date: December 31, 2015
    Inventors: Young Seok SOHN, Sang Deok CHOI
  • Publication number: 20150380146
    Abstract: Provided is a device for magnetizing a ring-shaped magnet for a brushless direct current (BLDC) motor, including: a rotor having a ring-shaped magnet installed on an outer peripheral surface of a rotor core; and a plurality of magnetizing yokes disposed so as to be spaced apart from each other by a predetermined interval while facing an outer peripheral surface of the ring-shaped magnet, magnetizing the ring-shaped magnet to form even-numbered unit magnets, and magnetizing the ring-shaped magnet only in regions except for one end and the other end of the unit magnets.
    Type: Application
    Filed: June 3, 2015
    Publication date: December 31, 2015
    Inventors: Seong Hwan Moon, Wan Sung Pae, In Seok Sohn
  • Publication number: 20150050155
    Abstract: Provided is an impeller for a fuel pump of a vehicle capable of decreasing a magnitude of high frequency fluid noise due to high speed rotation of the impeller by upper and lower blades of impeller blades positioned between upper and lower casings of the fuel pump and coupled to a shaft of a driving motor to deliver a fuel by rotational force so as to have asymmetrical angles based on the center of a thickness of an impeller body in sucking the fuel from a fuel tank and supplying the fuel to an engine of an internal combustion engine.
    Type: Application
    Filed: July 11, 2014
    Publication date: February 19, 2015
    Inventors: Bong Ju LEE, Hyun Tae LEE, Seong Hwan MOON, Mun Sik JEON, In Seok Sohn