Patents by Inventor Jae-man Choi

Jae-man Choi 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: 10290525
    Abstract: Disclosed is a method for marking, by using a laser marker, a plurality of wafer dice divided by a wafer dicing process. The disclosed marking method for wafer dice comprises the steps of: setting a plurality of scan regions having a mutually overlapping portion on a wafer including the wafer dice; scanning the scan regions of the wafer a plurality of times by using a line scan camera; collecting position information of each of wafer dice located in regions in which the scan regions do not overlap; collecting, through image synthesis, position information of each of wafer dice located in regions in which the scan regions overlap; and marking, by using the laser marker, each of all the wafer dice of which the position information has been collected.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: May 14, 2019
    Assignee: EO TECHNICS CO., LTD.
    Inventors: Sun Jung Kim, Jae Man Choi, Sung Beom Jung, Jung Jin Seo
  • Patent number: 9923209
    Abstract: A negative electrode and a lithium battery including the same, the negative electrode including nanotubes including a Group 14 metal/metalloid, disposed on a conductive substrate.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: March 20, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Han-su Kim, Un-gyu Paik, Jae-man Choi, Moon-seok Kwon, Tae-seob Song, Won-il Park
  • Patent number: 9878905
    Abstract: A negative electrode includes nanotubes including a metal/metalloid, disposed on a conductive substrate, and having opened ends. A lithium battery includes the negative electrode.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: January 30, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Han-su Kim, Moon-seok Kwon, Jae-man Choi, Min-sang Song, Young-sin Park, Tae-seob Song, Un-gyu Paik
  • Patent number: 9790091
    Abstract: Provided herein is a negative active material including an ordered porous manganese oxide, wherein pores of the ordered porous manganese oxide have a bimodal size distribution. Provided herein is a method of preparing a negative active material that includes the ordered porous manganese oxide. The invention also includes a negative electrode which includes the negative active material and a lithium battery which includes the negative electrode.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-kuk Shon, Jae-man Choi, Moon-seok Kwon, Min-sang Song, Seung-sik Hwang, Han-su Kim, Ji-man Kim, Gwi-ok Park
  • Patent number: 9748562
    Abstract: A negative active material including graphite; silicon nanowires; and silicon nanoparticles, wherein a silicon nanowire of the silicon nanowires and a silicon nanoparticle of the silicon nanoparticles are each disposed on a particle of the graphite to form a composite with the graphite.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: August 29, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-jin Ham, Jeong-kuk Shon, Min-sang Song, Seung-sik Hwang, Jun-hwan Ku, Jae-jun Chang, Sang-min Ji, Jae-man Choi
  • Publication number: 20170162410
    Abstract: Disclosed is a method for marking, by using a laser marker, a plurality of wafer dice divided by a wafer dicing process. The disclosed marking method for wafer dice comprises the steps of: setting a plurality of scan regions having a mutually overlapping portion on a wafer including the wafer dice; scanning the scan regions of the wafer a plurality of times by using a line scan camera; collecting position information of each of wafer dice located in regions in which the scan regions do not overlap; collecting, through image synthesis, position information of each of wafer dice located in regions in which the scan regions overlap; and marking, by using the laser marker, each of all the wafer dice of which the position information has been collected.
    Type: Application
    Filed: July 1, 2014
    Publication date: June 8, 2017
    Applicant: EO TECHNICS CO., LTD.
    Inventors: Sun Jung KIM, Jae Man CHOI, Sung Beom JUNG, Jung Jin SEO
  • Patent number: 9601804
    Abstract: A gel polymer electrolyte including: an organic solvent; a lithium salt that reacts with residual water contained in the organic solvent to produce at least one material selected from the group consisting of a protonic acid and a Lewis acid; and a polymer that is generated by polymerizing at least one monomer selected from the group consisting of monomers represented by Formulae 1 to 3 below: wherein in Formulae 1 to 3, R1 to R31 are the same as defined in the detailed description section of the specification.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Han-su Kim, Jae-man Choi, Moon-seok Kwon
  • Patent number: 9595711
    Abstract: A positive electrode active material including: a lithium complex oxide represented by Formula 1; and a carbon coating layer disposed on the lithium complex oxide, wherein, in a C1s XPS spectrum of the positive electrode active material, a peak intensity of a first peak at a binding energy from about 288 eV to about 293 eV is greater than a peak intensity of a second peak at a binding energy from about 283 eV to about 287 eV, and in an O1s X-ray photoelectron spectrum of the positive electrode active material, a peak intensity of a third peak at a binding energy from about 530.5 eV to about 535 eV is greater than a peak intensity of a fourth peak at a binding energy from about 527.5 electron volts to about 530 electron volts, LiaMbM?cM?dOe.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: March 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-hyuk Son, Min-sang Song, In-yong Song, Jae-man Choi
  • Patent number: 9472806
    Abstract: A polymer including a first repeating unit represented by Formula 1 and a second repeating unit including a substituted or unsubstituted C2-C30 alkenyl group: wherein, in Formula 1, groups R, R?, A, A?, Y, and Y? are defined in the specification.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 18, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Jong-hwan Park, Jae-man Choi
  • Patent number: 9455443
    Abstract: A lithium titanium oxide spinel having a ratio of FWHM1/FWHM2 at a spinning rate of about 5 kHz to about 50 kHz of about 1.70 or less, wherein FWHM1 is a full width at half maximum of a 7Li peak present about ?10 parts per million to about +10 parts per million in a solid state nuclear magnetic resonance spectrum of the lithium titanium oxide, FWHM2 is a full width at half maximum of a 7Li peak present about ?10 parts per million to about +10 parts per million in a solid state nuclear magnetic resonance spectrum of a lithium chloride standard reagent, and FWHM1 and FWHM2 are measured at the same spinning rate.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: September 27, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-sang Song, Ryoung-hee Kim, Jeong-kuk Shon, Young-min Choi, Jae-man Choi, Moon-seok Kwon, Seung-sik Hwang
  • Patent number: 9444085
    Abstract: A stack type battery includes a stack including: a plurality of cathode sheets; a plurality of anode sheets, which are alternately disposed with the cathode sheets; and a plurality of separators, where each of the separator is disposed between a corresponding cathode sheet of the cathode sheets and a corresponding anode sheet of the anode sheets, where the stack includes first to third protrusions, the first protrusion includes a portion of the cathode sheets which does not overlap the anode sheets and the separators, and the second protrusion includes a portion of the anode sheets which does not overlap the cathode sheets and the separators.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: September 13, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Moon-seok Kwon, Seung-sik Hwang, Jeong-kuk Shon, Jae-man Choi, Jun-hwan Ku, Min-sang Song
  • Patent number: 9397330
    Abstract: An electrode including a current collector, and an active material layer disposed on the current collector. The active material layer includes a structural network and an active material composition. The structural network includes a network of carbon nanotubes and a binder. The active material composition includes an active material and a polar medium.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Moon-seok Kwon, Seon-mi Yoon, Jae-man Choi, Han-su Kim, Hyeon-jin Shin, Jae-young Choi
  • Patent number: 9391342
    Abstract: An electrolyte composition and catalyst ink, a solid electrolyte membrane formed by printing the electrolyte composition and catalyst ink, and a secondary battery including the solid electrolyte membrane. An electrolyte composition includes a solvent; a lithium salt dissolved in the solvent; and a cycloolefin-based monomer dissolved or dispersed in the solvent and a catalyst ink includes a catalyst that promotes the ring-opening and polymerization reactions of the cycloolefin monomers of the electrolyte composition.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTC.
    Inventors: Jae-man Choi, Young-gyoon Ryu, Han-su Kim, Dong-joon Lee, Moon-seok Kwon
  • Patent number: 9343732
    Abstract: An electrode active material, an electrode including the electrode active material, a lithium battery including the electrode, and a method of preparing the electrode active material. The electrode active material includes a core having at least one of a metal or a metal oxide that enables intercalation and deintercalation of lithium ions and a crystalline carbon thin film that is formed on at least a portion of a surface of the core. The electrode active material has a nano-structure.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-kuk Shon, Jae-man Choi, Seung-sik Hwang, Moon-seok Kwon, Min-sang Song, Myung-hoon Kim, Ji-man Kim, Gwi-ok Park
  • Patent number: 9331338
    Abstract: A polymer including a first repeating unit represented by Formula 1, a polymer composition for a lithium battery including the polymer, an electrode for a lithium battery including the polymer composition, and a lithium battery including the electrode: wherein, in Formula 1, R, R?, A, A?, Y, and Y? are as defined in the specification.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: May 3, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Seung-sik Hwang, Jun-hwan Ku, Jeong-kuk Shon, Jae-man Choi
  • Patent number: 9325028
    Abstract: A flexible secondary battery includes an electrode stack structure. The electrode stack structure includes a first electrode layer including a first metal current collector, a second electrode layer including a second metal current collector, an isolation layer between the first electrode layer and the second electrode layer, connection tabs respectively extended from an end portion of the first metal current collector at a first end portion of the first electrode layer and an end portion of the second metal current collector at a first end portion of the second electrode layer; and a fixing element which fixes the end portions of the first and second metal current collectors only at a first end portion of the electrode stack structure. Second end portions of the first and second electrode layers opposite to the first end portions thereof are movable.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: April 26, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Moon-seok Kwon, Jae-man Choi, Seok-gwang Doo, Jeong-kuk Shon, Min-sang Song, Seung-sik Hwang
  • Patent number: 9269986
    Abstract: An electrolyte composition including a macro azo initiator containing a polyethylene oxide repeating unit, and a multi-functional urethane acrylate-based monomer, a gel polymer electrolyte including the electrolyte composition, and a lithium battery including the gel polymer electrolyte.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Moon-seok Kwon, Myung-hoon Kim, Jeong-kuk Shon, Min-sang Song, Jae-man Choi
  • Patent number: 9252451
    Abstract: A flexible battery a first electrode layer, a first current collector layer disposed on the first electrode layer, where a plurality of through-holes is defined in the first current collector layer, a separator disposed on the first current collector layer, a second current collector layer disposed on the separator, where a plurality of through-holes is defined in the second current collector layer, and a second electrode layer disposed on the second current collector layer.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: February 2, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Moon-seok Kwon, Jae-man Choi, Min-sang Song, Myung-hoon Kim, Jeong-kuk Shon, Seung-sik Hwang
  • Patent number: 9172089
    Abstract: An anode active material including: a core having a molybdenum-based material; and a coating layer formed on at least a portion of a surface of the core, wherein the coating layer comprises at least one material selected from the group consisting of molybdenum oxynitride and molybdenum nitride, a method of preparing the same, and an anode and a lithium battery.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: October 27, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-man Choi, Han-su Kim, Moon-seok Kwon, Seung-sik Hwang, Min-sang Song
  • Patent number: 9070943
    Abstract: An anode active material, an anode including the anode active material, a lithium battery including the anode, and a method of preparing the anode active material. The anode active material includes: a multilayer metal nanotube including: an inner layer; and an outer layer on the inner layer, wherein the inner layer includes a first metal having an atomic number equal to 13 or higher, and the outer layer includes a second metal different from the first metal.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: June 30, 2015
    Assignees: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Jae-man Choi, Seung-sik Hwang, Moon-seok Kwon, Min-sang Song, Jeong-kuk Shon, Myung-hoon Kim, Han-su Kim, Un-gyu Paik, Tae-seup Song