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).
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Patent number: 10050251Abstract: 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: GrantFiled: July 9, 2014Date of Patent: August 14, 2018Assignee: LG CHEM, LTD.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Patent number: 9711780Abstract: 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: GrantFiled: November 7, 2014Date of Patent: July 18, 2017Assignee: LG CHEM, LTD.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Patent number: 9373833Abstract: 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: GrantFiled: February 5, 2013Date of Patent: June 21, 2016Assignee: LG CHEM, LTD.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Patent number: 9017842Abstract: 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, rType: GrantFiled: November 21, 2008Date of Patent: April 28, 2015Assignee: LG Chem, Ltd.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Publication number: 20150064508Abstract: 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: ApplicationFiled: November 7, 2014Publication date: March 5, 2015Applicant: LG CHEM, LTD.Inventors: Youngsun PARK, Jeongsuk LEE, Keunpyo AHN, Chunyeon KIM, Joung Ho HA, Masayuki WAKEBE
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Publication number: 20140363703Abstract: 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: ApplicationFiled: July 9, 2014Publication date: December 11, 2014Inventors: Youngsun PARK, Jeongsuk LEE, Keunpyo AHN, Chunyeon KIM, Joung Ho HA, Masayuki WAKEBE
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Patent number: 8808883Abstract: 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: GrantFiled: November 27, 2008Date of Patent: August 19, 2014Assignee: LG Chem, Ltd.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Patent number: 8697264Abstract: 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: GrantFiled: November 27, 2008Date of Patent: April 15, 2014Assignee: LG Chem, Ltd.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Patent number: 8658306Abstract: 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: GrantFiled: March 7, 2009Date of Patent: February 25, 2014Assignee: LG Chem, Ltd.Inventors: Youngsun Park, Han Eun Kim, Yonghan Lee, John E. Namgoong, Sain Park, Masayuki Wakebe
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Publication number: 20110091763Abstract: 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: ApplicationFiled: March 7, 2009Publication date: April 21, 2011Applicant: LG CHEM, LTD.Inventors: Youngsun Park, Han Eun Kim, Yonghan Lee, John E. Namgoong, Sain Park, Masayuki Wakebe
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Publication number: 20110070466Abstract: 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, rType: ApplicationFiled: November 21, 2008Publication date: March 24, 2011Applicant: LG Chem, Ltd.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Publication number: 20110064972Abstract: 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: ApplicationFiled: November 27, 2008Publication date: March 17, 2011Applicant: LG Chem, Ltd.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe
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Publication number: 20110045321Abstract: 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: ApplicationFiled: November 27, 2008Publication date: February 24, 2011Applicant: LG CHEM, LTD.Inventors: Youngsun Park, Jeongsuk Lee, Keunpyo Ahn, Chunyeon Kim, Joung Ho Ha, Masayuki Wakebe