Patents by Inventor Masayuki Wakebe

Masayuki Wakebe 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: 10050251
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, a protection circuit module (PCM) having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member mounted to a top cap of the battery cell, and an insulative cap coupled to the upper end of the battery cell, wherein the top cap is provided with at least one protrusion-type electrode terminal, and the top cap is provided at a partial region where the protrusion-type electrode terminal is not formed with a space (depression space) depressed downward by a predetermined depth.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: August 14, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Patent number: 9711780
    Abstract: A battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure mounted in a battery case together with an electrolyte in a sealed state, and a protection circuit module (PCM) electrically connected to the battery cell. The PCM includes a protection circuit board (PCB) electrically connected to the battery cell, the PCB being provided on a region where a circuit is connected with a conductive pattern including a fusing part, having relatively high resistance, configured to fuse itself for interrupting the flow of current when a large amount of current is conducted.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: July 18, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Patent number: 9373833
    Abstract: A battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure mounted in a battery case together with an electrolyte in a sealed state, and a protection circuit module (PCM) electrically connected to the battery cell. The PCM includes a protection circuit board (PCB) electrically connected to the battery cell, the PCB being provided on a region where a circuit is connected with a conductive pattern including a fusing part, having relatively high resistance, configured to fuse itself for interrupting the flow of current when a large amount of current is conducted.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: June 21, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Patent number: 9017842
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, the battery case having an open top sealed by a top cap, a protection circuit module having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member constructed in a structure in which the protection circuit module is loaded at a top of the insulative mounting member, the insulative mounting member being mounted to the top cap of the battery cell, and an insulative cap coupled to an upper end of the battery cell for covering the insulative mounting member in a state in which the protection circuit module is loaded on the insulative mounting member, wherein the top cap is provided with a pair of protrusion-type electrode terminals (a first protrusion-type electrode terminal and a second protrusion-type electrode terminal) connected to a cathode and an anode of the electrode assembly, r
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: April 28, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Publication number: 20150064508
    Abstract: A battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure mounted in a battery case together with an electrolyte in a sealed state, and a protection circuit module (PCM) electrically connected to the battery cell. The PCM includes a protection circuit board (PCB) electrically connected to the battery cell, the PCB being provided on a region where a circuit is connected with a conductive pattern including a fusing part, having relatively high resistance, configured to fuse itself for interrupting the flow of current when a large amount of current is conducted.
    Type: Application
    Filed: November 7, 2014
    Publication date: March 5, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Youngsun PARK, Jeongsuk LEE, Keunpyo AHN, Chunyeon KIM, Joung Ho HA, Masayuki WAKEBE
  • Publication number: 20140363703
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, a protection circuit module (PCM) having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member mounted to a top cap of the battery cell, and an insulative cap coupled to the upper end of the battery cell, wherein the top cap is provided with at least one protrusion-type electrode terminal, and the top cap is provided at a partial region where the protrusion-type electrode terminal is not formed with a space (depression space) depressed downward by a predetermined depth.
    Type: Application
    Filed: July 9, 2014
    Publication date: December 11, 2014
    Inventors: Youngsun PARK, Jeongsuk LEE, Keunpyo AHN, Chunyeon KIM, Joung Ho HA, Masayuki WAKEBE
  • Patent number: 8808883
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, a protection circuit module (PCM) having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member mounted to a top cap of the battery cell, and an insulative cap coupled to the upper end of the battery cell, wherein the top cap is provided with at least one protrusion-type electrode terminal, and the top cap is provided at a partial region where the protrusion-type electrode terminal is not formed with a space (depression space) depressed downward by a predetermined depth.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: August 19, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Patent number: 8697264
    Abstract: Disclosed herein is a battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure mounted in a battery case together with an electrolyte in a sealed state, and a protection circuit module (PCM) electrically connected to the battery cell, wherein the PCM is provided with a safety device of which a circuit is cut off when temperature is high or a large amount of current flows.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: April 15, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Patent number: 8658306
    Abstract: A conductive electrode terminal connecting member configured to electrically connect plate-shaped secondary battery cells (‘battery cells’) constituting a battery module to each other is provided. The electrode terminal connecting member includes a left-wing connection part to which electrode terminals of left-side battery cells are connected so as to achieve electrical connection in series or in series and in parallel between the battery cells, and a right-wing connection part to which electrode terminals of right-side battery cells are connected so as to achieve electrical connection in series or in series and in parallel between the battery cells. The left-wing connection part is provided with slits through which the electrode terminals of the respective battery cells are inserted, and the right-wing connection part is provided with slits through which the electrode terminals of the respective battery cells are inserted.
    Type: Grant
    Filed: March 7, 2009
    Date of Patent: February 25, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Youngsun Park, Han Eun Kim, Yonghan Lee, John E. Namgoong, Sain Park, Masayuki Wakebe
  • Publication number: 20110091763
    Abstract: Disclosed herein is a conductive electrode terminal connecting member configured to electrically connect plate-shaped secondary battery cells (‘battery cells’) constituting a battery module to each other. The electrode terminal connecting member includes a left-wing connection part to which electrode terminals of left-side battery cells are connected so as to achieve electrical connection in series or in series and in parallel between the battery cells, and a right-wing connection part to which electrode terminals of right-side battery cells are connected so as to achieve electrical connection in series or in series and in parallel between the battery cells. The left-wing connection part is provided with slits through which the electrode terminals of the respective battery cells are inserted, and the right-wing connection part is provided with slits through which the electrode terminals of the respective battery cells are inserted.
    Type: Application
    Filed: March 7, 2009
    Publication date: April 21, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Youngsun Park, Han Eun Kim, Yonghan Lee, John E. Namgoong, Sain Park, Masayuki Wakebe
  • Publication number: 20110070466
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, the battery case having an open top sealed by a top cap, a protection circuit module having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member constructed in a structure in which the protection circuit module is loaded at a top of the insulative mounting member, the insulative mounting member being mounted to the top cap of the battery cell, and an insulative cap coupled to an upper end of the battery cell for covering the insulative mounting member in a state in which the protection circuit module is loaded on the insulative mounting member, wherein the top cap is provided with a pair of protrusion-type electrode terminals (a first protrusion-type electrode terminal and a second protrusion-type electrode terminal) connected to a cathode and an anode of the electrode assembly, r
    Type: Application
    Filed: November 21, 2008
    Publication date: March 24, 2011
    Applicant: LG Chem, Ltd.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Publication number: 20110064972
    Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, a protection circuit module (PCM) having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member mounted to a top cap of the battery cell, and an insulative cap coupled to the upper end of the battery cell, wherein the top cap is provided with at least one protrusion-type electrode terminal, and the top cap is provided at a partial region where the protrusion-type electrode terminal is not formed with a space (depression space) depressed downward by a predetermined depth.
    Type: Application
    Filed: November 27, 2008
    Publication date: March 17, 2011
    Applicant: LG Chem, Ltd.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
  • Publication number: 20110045321
    Abstract: Disclosed herein is a battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure mounted in a battery case together with an electrolyte in a sealed state, and a protection circuit module (PCM) electrically connected to the battery cell, wherein the PCM is provided with a safety device of which a circuit is cut off when temperature is high or a large amount of current flows.
    Type: Application
    Filed: November 27, 2008
    Publication date: February 24, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe