Patents by Inventor Chul Cha

Chul Cha 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: 20140083387
    Abstract: Disclosed is a coating material for intake/exhaust valves and a method for manufacturing the same. The coating material comprises: a Cr or Ti bonding layer formed on a mother material which makes up the intake/exhaust valve; a WC, CrN, TiN or TiCN support layer that is disposed on a surface of the boding layer; and a Si-DLC or SiO-DLC functional layer that is disposed on a surface of the support layer. According to the present invention, wear resistance and heat resistance of the valve are improved.
    Type: Application
    Filed: June 26, 2013
    Publication date: March 27, 2014
    Inventor: Sung-Chul Cha
  • Publication number: 20140041435
    Abstract: The present disclosure provides a multi-layer tool piece coating. For example, the tool piece may be a mold or die used for forming ultra high strength steel sheet. The multi-layer mold coating may include a CrN or Ti(C)N junction layer, a first TiAlN/CrN nano multilayer, and a second TiAlCN/CrCN nano multilayer. The CrN or Ti(C)N junction layer may be coated on a base material of the tool piece (e.g., a mold) for forming the steel sheet. The first TiAlN/CrN nano multilayer may be coated on the CrN or Ti(C)N junction layer as an intermediate layer. The second TiAlCN/CrCN nano multilayer may be coated on the first TiAlN/CrN nano multilayer as an outermost surface functional layer, and may include carbon (C) of about 1 at. % to about 30 at. % for high temperature and low friction.
    Type: Application
    Filed: October 26, 2012
    Publication date: February 13, 2014
    Applicant: HYUNDAI MOTOR COMPANY
    Inventor: Sung Chul Cha
  • Publication number: 20140041222
    Abstract: Disclosed is a method for manufacturing a plurality of valve train parts using metal powder injection molding, comprising: obtaining a raw material for injection molding by mixing a metal powder and a binder; forming a formed body by injecting the obtained raw material for injection molding into a mold of a valve train part shape; solvent extracting the formed body; forming a sintered body by debinding and sintering the solvent extracted formed body; sizing processing the sintered body; vacuum carburizing the sizing processed sintered body; and polishing the vacuum carburized sintered body.
    Type: Application
    Filed: December 14, 2012
    Publication date: February 13, 2014
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventor: Sung-Chul Cha
  • Publication number: 20140044944
    Abstract: Disclosed is a coating material for an aluminum die casting mold and a method of manufacturing the coating material. The coating material includes a CrN bonding layer formed on a surface of a substrate, a TiAlN/CrN nano multi-layer disposed on a surface of the CrN bonding layer, and a TiAlN/CrSi(C)N nano multi-layer disposed on a surface of the TiAlN/CrSiCN nano multi-layer. The coating material for an aluminum die casting mold may maintain the physical properties of a mold under a high temperature environment due to the superior seizure resistance, heat resistance and high-temperature stability of the coating material, thereby extending the lifespan of the mold.
    Type: Application
    Filed: December 18, 2012
    Publication date: February 13, 2014
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Sung-Chul Cha, Dong-Ha Kang
  • Patent number: 8560284
    Abstract: A future amount is created through demand estimation by rectifying data administrated in a logistics infrastructure through a system and a method for alternative simulation of a logistics infrastructure. In addition, an infrastructure load by a future year amount is analyzed and an alternative is selected through the load analysis.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: October 15, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Moon Sung Park, Byung-Chul Cha, Jiyoung Choi, Hong Suk Hu, Jong Heung Park
  • Patent number: 8529436
    Abstract: An endoscope, an endoscope system having an endoscope, and an endoscope control method are disclosed. The endoscope includes: a main body and a buoyancy control device. The main body may be configured in the form of a capsule and include an image capturing unit for capturing image information. The buoyancy control device may control buoyancy by changing the volume of the main body. Images of various types of internal organs can be precisely captured.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: September 10, 2013
    Assignee: i3System Corp.
    Inventors: Han Jung, Byung-Hyuk Kim, Yong-Woo Lee, Chul Cha, Sung-Do Kim
  • Publication number: 20130220262
    Abstract: The present invention provides a valve for an engine and a method for treating the surface thereof. The valve for the engine includes a buffer layer, an intermediate layer, a TiAlN/CrN first nanostructured multilayer, and a TiAlCN/CrCN second nanostructured multilayer. The buffer layer is coated over a surface of a stem part as a lowermost layer and is formed of Ti or Cr. The intermediate layer is coated over the buffer layer and is formed of CrN, TiN, or TiCN. The TiAlN/CrN first nanostructured multilayer is coated over the intermediate layer. The TiAlCN/CrCN second nanostructured multilayer is coated over the TiAlN/CrN first nanostructured multilayer as an uppermost layer.
    Type: Application
    Filed: May 29, 2012
    Publication date: August 29, 2013
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Young Joon Kang, Sung Chul Cha, Chang Hyun Shin, Jun Seok Lee
  • Publication number: 20130214493
    Abstract: Disclosed is a piston ring having a multi-layer coating. The piston ring includes a buffer layer, a intermediate layer, a TiAlN/CrN nano multilayer, and a TiAlCN layer. The buffer layer is coated over a base material of a piston ring. The intermediate layer is coated over the buffer layer. The TiAlN/CrN nano multilayer is coated over the intermediate layer. The TiAlCN layer is coated over the TiAlN/CrN nano multilayer as an outermost surface layer.
    Type: Application
    Filed: May 29, 2012
    Publication date: August 22, 2013
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Sung Chul Cha, Chang Hyun Shin, Ji Hwan Yun
  • Publication number: 20130201310
    Abstract: The present invention relates to a system for controlling an image data of an image sensor for a capsule endoscope, and more particularly, to a system for controlling an image data of an image sensor for a capsule endoscope, which controls the image data of a capsule endoscope system in which operations are changed using two image sensors of a capsule endoscope that are identically designed and manufactured in order to capture images of the inside of the human body.
    Type: Application
    Filed: October 21, 2011
    Publication date: August 8, 2013
    Applicant: I3SYSTEM, INC.
    Inventors: Han Jung, Bong Ki Baek, Yong Woo Lee, Byung Hyuk Kim, Chul Cha, Sang Heun Park
  • Publication number: 20130200572
    Abstract: The present disclosure provides a vehicle piston ring having a multi-layer coating. The vehicle piston ring includes a Cr or Ti buffer layer, a CrN or Ti(C)N intermediate layer, a first TiAlN/CrN nano multi-layer, and a second TiAlCN/CrCN nano multi-layer. The Cr or Ti buffer layer is coated over the base material of the piston ring. The CrN or Ti(C)N intermediate layer is coated over the Cr or Ti buffer layer. The first TiAlN/CrN nano multilayer is coated over the CrN or Ti(C)N intermediate layer. The second TiAlCN/CrCN nano multilayer is coated over the first TiAlN/CrN nano multilayer as an outermost surface layer.
    Type: Application
    Filed: June 20, 2012
    Publication date: August 8, 2013
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Sung Chul Cha, Chang Hyun Shin, Ji Hwan Yun
  • Publication number: 20130101818
    Abstract: Disclosed is a surface coating film for a forming machine, including: a substrate; a nitride layer on the substrate; a multilayered film layer deposited on the nitride layer by reaction of nitrogen (N) with a TiAl target and a Cr target; and a carbonitride layer deposited on the multilayered film layer by reaction of nitrogen (N) and carbon (C) with a TiAl target and a Cr target.
    Type: Application
    Filed: July 31, 2012
    Publication date: April 25, 2013
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Sung Chul Cha, Byung Kyu Cho, Ho Young Kong, Soo Jin Chung, Jun Seok Lee
  • Publication number: 20130095458
    Abstract: A social network training service system and method is disclosed.
    Type: Application
    Filed: November 2, 2011
    Publication date: April 18, 2013
    Applicants: Hanwha Solution & Consulting Co., Ltd., Biospace Co., LTD
    Inventors: Ki Chul Cha, Jae Hung Ko, Kyung Hee Lee, Jeong Hyeon Son, Heung Soo Park
  • Publication number: 20130091308
    Abstract: A multi protocol adapter capable of implementing various communication modes is disclosed. The multi protocol adapter may include a plurality of communication ports to connect to a plurality of communication modules supporting different communication protocols, and a main controller to convert a signal received from one of a plurality of the communication modules and to output the converted signal to the other communication module. In this instance, each of a plurality of the communication modules is attachable and detachable, and may be connected to one of a plurality of the communication ports.
    Type: Application
    Filed: November 2, 2011
    Publication date: April 11, 2013
    Applicants: HANWHA SOLUTION & CONSULTING CO., LTD., BIOSPACE CO., LTD.
    Inventors: Ki Chul Cha, Moon Young Jung, Kyung Hee Lee, Heung Soo Park
  • Patent number: 8386028
    Abstract: A method of analyzing a composition of a human body having a plurality of body segments is disclosed. The method can include applying a current signal to a body. The method can further include simultaneously measuring a plurality of voltage signals from a plurality of measuring positions of the body during a predetermined period, and processing at least two of the plurality of voltage signals to determine a composition parameter of a body segment so as to assess or analyze composition of the body.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: February 26, 2013
    Assignee: Biospace Co., Ltd.
    Inventors: Ki Chul Cha, Chang Ryoul Yang
  • Publication number: 20130035547
    Abstract: The present invention relates to an image sensor for a capsule endoscope which enables a dual mode operation, and more particularly, to an image sensor for a capsule endoscope wherein two image sensors identically designed and manufactured for photographing the inside of a human body are used and set as a master and a slave, respectively so as to enable a dual mode operation in which two chips are linkage-operated.
    Type: Application
    Filed: April 14, 2011
    Publication date: February 7, 2013
    Applicant: I3SYSTEM, Inc.
    Inventors: Han Jung, Byung Hyuk Kim, Yong Woo Lee, Chul Cha, Sang Heun Park, Bong Ki Baek
  • Patent number: 8360961
    Abstract: Disclosed is a capsule-type endoscope, including: a lens for obtaining an image inside the body, one or more sensors for obtaining information related to the inside of the body, a controller for interleaving the information detected by the one or more sensors with the image captured by the lens and encoding the image interleaved with the sensor data for signal output, and a transmitter for transmitting a signal from the controller.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: January 29, 2013
    Assignee: I3System Corp.
    Inventors: Han Jung, Byung-Hyuk Kim, Chul Cha, Yong-Woo Lee
  • Publication number: 20120315453
    Abstract: This invention relates to a coating layer structure of a basic material of a mold, which exhibits good adhesion between a coating material and a basic material and does not cause cracking when coated. Such a coating layer structure includes an ion nitriding layer formed at the surface of the basic material, a middle coating layer formed on the ion nitriding layer using AlTiCrN, AlCrSiN, AlTiSiN, or AlTiCrSiN, and a surface coating layer formed on the middle coating layer using AlTiCrCN, AlCrSiCN, AlTiSiCN, or AlTiCrSiCN.
    Type: Application
    Filed: December 6, 2011
    Publication date: December 13, 2012
    Applicant: Hyundai Motor Company
    Inventors: Sung Chul Cha, Ju Chul Kim, Seung Taik Oh, Kun Uk Park, Doo Hwan Lee, Hyun Dal Park, Ho Young Kong
  • Patent number: 8332026
    Abstract: A method of analyzing a composition of a human body having a plurality of body segments is disclosed. The method can include applying a current signal to a body. The method can further include simultaneously measuring a plurality of voltage signals from a plurality of measuring positions of the body during a predetermined period, and processing at least two of the plurality of voltage signals to determine a composition parameter of a body segment so as to assess or analyze composition of the body.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: December 11, 2012
    Assignee: Biospace Co., Ltd.
    Inventors: Ki Chul Cha, Chang Ryoul Yang
  • Patent number: 8322043
    Abstract: An automatic anthropometer for automatically measuring human height is provided. The automatic anthropometer includes a main post configured to stand vertically to a foot board and have a guiding rail formed integrally with an inner surface in a length direction, a sliding post configured to include a guide wheel that rotates along the guiding rail, and ascend and descend along the length direction of the main post under the guide of the guiding rail to measure height of a user, a head-touch bar configured to be coupled to the sliding post, and a lifting-driving device configured to raise and lower the sliding post.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: December 4, 2012
    Assignee: Biospace Co., Ltd.
    Inventor: Ki Chul Cha
  • Patent number: 8271079
    Abstract: A method of analyzing a composition of a human body having a plurality of body segments is disclosed. The method can include applying a current signal to a body. The method can further include simultaneously measuring a plurality of voltage signals from a plurality of measuring positions of the body during a predetermined period, and processing at least two of the plurality of voltage signals to determine a composition parameter of a body segment so as to assess or analyze composition of the body.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: September 18, 2012
    Assignee: Biospace Co., Ltd.
    Inventors: Ki Chul Cha, Chang Ryoul Yang