Patents by Inventor Sang Yeob Cha

Sang Yeob 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).

  • Patent number: 10718672
    Abstract: A piezoelectric device package includes a board having a lower surface and an upper surface, a plurality of terminals disposed on the lower surface, a piezoelectric device disposed on the upper surface, a thermistor layer and a resistance layer disposed on the lower surface, and a cap lead covering an upper portion of the board.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Man Han, Yong Sung Kim, Sang Yeob Cha, Young Key Kim
  • Patent number: 10164604
    Abstract: A crystal device includes a package including a cavity formed therein, a thermistor disposed on a bottom surface of the cavity and integrated with the package, a crystal blank spaced apart from the thermistor in the cavity, and a lead coupled to the package so as to cover the cavity.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: December 25, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Sup Cho, Katsushi Yasuda, Sang Yeob Cha
  • Publication number: 20180209855
    Abstract: A piezoelectric device package includes a board having a lower surface and an upper surface, a plurality of terminals disposed on the lower surface, a piezoelectric device disposed on the upper surface, a thermistor layer and a resistance layer disposed on the lower surface, and a cap lead covering an upper portion of the board.
    Type: Application
    Filed: September 22, 2017
    Publication date: July 26, 2018
    Inventors: Jin Man HAN, Yong Sung KIM, Sang Yeob CHA, Young Key KIM
  • Patent number: 9929337
    Abstract: A piezoelectric device package may include: a case having a plurality of terminals formed on a lower surface thereof; a piezoelectric device formed in the case; a temperature measuring device formed on the lower surface of the case and having a thin film form; and a cover member enclosing an upper portion of the case.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soon Bum Lee, Sang Yeob Cha, Jong Pil Lee, Katsushi Yasuda
  • Publication number: 20160308508
    Abstract: A crystal device includes a package including a cavity formed therein, a thermistor disposed on a bottom surface of the cavity and integrated with the package, a crystal blank spaced apart from the thermistor in the cavity, and a lead coupled to the package so as to cover the cavity.
    Type: Application
    Filed: January 5, 2016
    Publication date: October 20, 2016
    Inventors: Won Sup CHO, Katsushi YASUDA, Sang Yeob CHA
  • Publication number: 20150225665
    Abstract: Disclosed is an ashless-type engine oil composition. The engine oil composition particularly includes glyceryl monooleate, molybdenum dithiocarbamate and a dihydrocarbyl dithiophosphate metal salt together as a friction modifier. Accordingly, the engine oil composition of the present invention provides advantages of protecting a filter equipped in an exhaust gas after-treatment device and improving gas mileage and engine durability by maintaining sulfated ash in an amount of 0.8 wt % or less based on total weight of the engine oil composition.
    Type: Application
    Filed: December 6, 2014
    Publication date: August 13, 2015
    Inventor: Sang Yeob Cha
  • Publication number: 20150048723
    Abstract: A piezoelectric vibration element and a vibration element package having the same are disclosed.
    Type: Application
    Filed: August 12, 2014
    Publication date: February 19, 2015
    Inventors: Jong-Pil LEE, Sang-Yeob CHA
  • Publication number: 20140355647
    Abstract: A piezoelectric device package may include: a case having a plurality of terminals formed on a lower surface thereof; a piezoelectric device formed in the case; a temperature measuring device formed on the lower surface of the case and having a thin film form; and a cover member enclosing an upper portion of the case.
    Type: Application
    Filed: June 3, 2014
    Publication date: December 4, 2014
    Inventors: Soon Bum Lee, Sang Yeob Cha, Jong Pil Lee, Katsushi Yasuda
  • Publication number: 20140355646
    Abstract: A piezoelectric device package may include: a case having a plurality of terminals disposed on a lower surface thereof; a piezoelectric device disposed in the case; a temperature measuring device disposed on one surface of the piezoelectric device in the case and having a thin film form; and a cover member enclosing an upper portion of the case.
    Type: Application
    Filed: June 3, 2014
    Publication date: December 4, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Pil LEE, Sang Yeob CHA, Soon Bum LEE, Jong Beom JEON, Katsushi YASUDA
  • Patent number: 8569215
    Abstract: Disclosed is a transmission oil composition for use in a push belt continuously variable transmission (CVT). The push belt CVT oil composition includes a hydrogenated base oil or a synthetic base oil admixed with a viscosity control agent, a dispersing agent, a friction control agent and other additives at specific ratios and provides improved friction characteristics, durability, thermal stability, oxidation stability and transmission performance. It can be used at various temperature ranges and can provide improved transmission efficiency (fuel efficiency).
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: October 29, 2013
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Sang Yeob Cha
  • Publication number: 20130065802
    Abstract: Disclosed is a transmission oil composition for use in a push belt continuously variable transmission (CVT). The push belt CVT oil composition includes a hydrogenated base oil or a synthetic base oil admixed with a viscosity control agent, a dispersing agent, a friction control agent and other additives at specific ratios and provides improved friction characteristics, durability, thermal stability, oxidation stability and transmission performance. It can be used at various temperature ranges and can provide improved transmission efficiency (fuel efficiency).
    Type: Application
    Filed: November 18, 2011
    Publication date: March 14, 2013
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventor: Sang Yeob Cha
  • Publication number: 20100068881
    Abstract: A method of forming metallization in a semiconductor device, including forming an interlayer insulation layer on a semiconductor layer, forming a hole in the interlayer insulation layer by removing a portion of the interlayer insulation layer, forming a metal seed layer in the hole and on an upper surface of the interlayer insulation layer, such that the metal seed layer includes a first portion on the upper surface of the interlayer insulation layer, a second portion on an upper side surface of the hole, and a third portion on central and lower side surfaces of the hole, selectively plasma-treating a portion of the metal seed layer, forming a metal layer on the metal seed layer to fill the hole, and forming metallization by polishing the metal layer.
    Type: Application
    Filed: July 20, 2009
    Publication date: March 18, 2010
    Inventors: Joo-ho Kang, Matsuda Tsukasa, Yong-chul Lee, Hyung-sik Hong, Sang-yeob Cha, Tae-hong Ha
  • Publication number: 20090305922
    Abstract: The present invention relates to an automatic transmission lubricating oil composition, and particularly to an automatic transmission lubricating oil composition comprising an oil of lubricating viscosity, an ashless dispersant, an anti-oxidant, a phosphorus-based anti-wear agent and a friction-modifier, wherein more than 310 ppm of phosphorus is contained, thereby being useful for lubricating or operating an automatic transmission comprising a transmission clutch using a slip lock-up torque converter and a paper based clutch material and a planetary gear system, especially six-speed automatic transmission.
    Type: Application
    Filed: November 18, 2008
    Publication date: December 10, 2009
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, INFINEUM KOREA LTD
    Inventors: Sang Yeob Cha, Skip Watts, Hirokazu Saito
  • Patent number: 7112810
    Abstract: In an ion implanting apparatus and an ion implanting method using the same, the ion implanting apparatus includes a disk chamber containing a rotatable disk, a wafer mounted on the rotatable disk, and a charge sensor for monitoring a charged state of the wafer, the charge sensor being fixed to the disk chamber to be adjacent to and facing a surface of the wafer. An output of the charge sensor may be used as feedback to control the charged state of the wafer.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: September 26, 2006
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gyeong-Su Keum, Seung-Ki Chae, Hyung-Sik Hong, Sang-Yeob Cha, Jae-Hyun Han, Tae-Sub Im, Hyun-Kyu Kang, Gil-Jung Yun, Doo-Guen Song
  • Publication number: 20050133737
    Abstract: In an ion implanting apparatus and an ion implanting method using the same, the ion implanting apparatus includes a disk chamber containing a rotatable disk, a wafer mounted on the rotatable disk, and a charge sensor for monitoring a charged state of the wafer, the charge sensor being fixed to the disk chamber to be adjacent to and facing a surface of the wafer. An output of the charge sensor may be used as feedback to control the charged state of the wafer.
    Type: Application
    Filed: October 15, 2004
    Publication date: June 23, 2005
    Inventors: Gyeong-Su Keum, Seung-Ki Chae, Hyung-Sik Hong, Sang-Yeob Cha, Jae-Hyun Han, Tae-Sub Im, Hyun-Kyu Kang, Gil-Jun Yun, Doo-Guen Song
  • Patent number: 6323161
    Abstract: The present invention relates to a grease composition comprising a silicon oil of 61 to 47% by weight as a base oil, a polytetrafluoroethylene (PTFE) of 35 to 40% by weight as a thickener, a silica aerogel of 3 to 8% by weight and an extreme pressure additive of 1 to 5% by weight which provides excellent abrasion resistance, heat resistance, cold resistance, low torque property at low temperature, and viscosity and thus applicable in the fields of automobiles and aerospace.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: November 27, 2001
    Assignee: Hyundai Motor Company
    Inventor: Sang Yeob Cha
  • Patent number: 5745367
    Abstract: An FBT, its inductance adjusting method and a device capable of adjusting a gap between the top and bottom cores features a stable inductance value required for the FBT even without requiring a separate spacer between the top and bottom ferrite cores. An adhesive agent is applied to top end of a coupling portion of the bottom core provided within the low voltage bobbin, and a predetermined inductance value between the bottom core and the top core is obtained by a hardening of the adhesive agent therebetween without having a separate gap maintaining arrangement. The inductance value within the FBT can be precisely adjusted even without requiring a separate spacer at the gap portion between the top and bottom ferrite cores of FBT. In addition, it is not necessary to use a U-clip for fixing the top and bottom ferrite cores.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: April 28, 1998
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Sang Yeob Cha