Patents by Inventor Seiichi Sakuramoto

Seiichi Sakuramoto 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: 12057547
    Abstract: A method of manufacturing a battery pack of the present disclosure stacks a plurality of battery cells such that one surfaces face the same direction and compresses the battery cells from both sides, inserts the compressed battery cells into the case such that the one surfaces are positioned on an open end side of the case, disposes a plurality of bus bars on the one surfaces of the battery cells so as to overlap the corresponding terminal, moves a pressurizing jig so as to press the bus bars toward a bottom surface of the case from a pressurization start position corresponding to a height position of the terminal of the battery cell farthest from the bottom surface, and bonds each of the plurality of bus bars to the corresponding terminal.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: August 6, 2024
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Shintaro Miyata, Yoshinori Shibata, Nobuyuki Yamazaki, Hirotoshi Kondo, Seiichi Sakuramoto
  • Patent number: 11777169
    Abstract: A method of manufacturing a power storage module includes: stacking a plurality of power storage cells along a first direction; compressing the plurality of power storage cells along the first direction; aligning the plurality of power storage cells in a second direction orthogonal to the first direction after relieving pressing force of the compressing; compressing the plurality of power storage cells along the first direction after aligning the plurality of power storage cells in the second direction; disposing a restraint portion on both sides in the first direction with respect to the plurality of power storage cells under application of pressing force of the compressing; and restraining the plurality of power storage cells by the restraint portion along the first direction by relieving, after disposing the restraint portion, the pressing force of the compressing.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: October 3, 2023
    Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Wataru Okada, Seiichi Sakuramoto
  • Publication number: 20230207939
    Abstract: A battery module includes a plurality of units and a restraint member. The plurality of units are arranged side by side in a first direction. The restraint member restrains the plurality of units in the first direction. Each of the plurality of units includes a plurality of battery cells and a case. The plurality of battery cells are arranged side by side in the first direction and each of the plurality of battery cells has a prismatic shape. The case accommodates the plurality of battery cells and supports the plurality of battery cells in the first direction.
    Type: Application
    Filed: November 7, 2022
    Publication date: June 29, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kosyo ABE, Keiichiro KOBAYASHI, Takahide TAKEDA, Masaki KOIKE, Koji WATANABE, Seiichi SAKURAMOTO, Yasuo IKEDA, Makoto OCHI, Kosuke IWASE, Mio TAKENO, Yuzo SUZUKI, Yasushi TSUCHIDA
  • Publication number: 20230170572
    Abstract: Each of a plurality of units includes a plurality of battery cells and a supporting member. The plurality of battery cells are arranged side by side in the first direction and each of the plurality of battery cells has a prismatic shape. The supporting member supports the plurality of battery cells. Each of the plurality of battery cells has a housing having an upper surface on which an electrode terminal is disposed and a lower surface facing the upper surface along a second direction orthogonal to the first direction. When each of the plurality of units is placed on the first plane, the supporting member is capable of supporting the plurality of battery cells such that the second direction is substantially parallel to a normal direction of the first plane and the electrode terminal is oriented in a direction away from the first plane.
    Type: Application
    Filed: November 2, 2022
    Publication date: June 1, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kosyo ABE, Takahide TAKEDA, Keiichiro KOBAYASHI, Makoto OCHI, Mio TAKENO, Yasushi TSUCHIDA, Masaki KOIKE, Koji WATANABE, Seiichi SAKURAMOTO, Yuzo SUZUKI, Yasuo IKEDA, Kosuke IWASE
  • Publication number: 20230155197
    Abstract: A battery module includes: a plurality of battery cells stacked in a predetermined direction and electrically connected together; a plurality of bus bars that electrically connect the plurality of battery cells together; and a plurality of voltage detection wires each connected to one set of two or more battery cells electrically connected together. According to the battery module, the number of the voltage detection wires is reduced, thereby attaining reduced sizes of the bus bars, productivity improved by improved workability, and reduced cost.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 18, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kosyo ABE, Takahide TAKEDA, Yasushi TSUCHIDA, Keiichiro KOBAYASHI, Makoto OCHI, Mio TAKENO, Masaki KOIKE, Koji WATANABE, Yuzo SUZUKI, Seiichi SAKURAMOTO, Yasuo IKEDA, Kosuke IWASE
  • Publication number: 20230155198
    Abstract: A battery module includes: a plurality of battery cells arranged side by side in a first direction, each of the plurality of battery cells having a prismatic shape; a restraint mechanism that restrains the plurality of battery cells in the first direction; and a restraint force adjustment mechanism capable of adjusting a restraint load in the first direction, the restraint load being applied by the restraint mechanism. The restraint force adjustment mechanism includes an operation portion to be operated when adjusting the restraint load. The operation portion is provided on the battery module.
    Type: Application
    Filed: November 7, 2022
    Publication date: May 18, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kosyo ABE, Takahide TAKEDA, Keiichiro KOBAYASHI, Yasushi TSUCHIDA, Makoto OCHI, Mio TAKENO, Masaki KOIKE, Koji WATANABE, Yuzo SUZUKI, Seiichi SAKURAMOTO, Yasuo IKEDA, Kosuke IWASE
  • Publication number: 20230155228
    Abstract: A battery module includes: a plurality of battery cells arranged side by side in a first direction, each of the plurality of battery cells having a prismatic shape; and a partition wall portion provided between the plurality of battery cells to secure electrical insulation between the plurality of battery cells. The partition wall portion includes a first partition wall portion and a second partition wall portion, the first partition wall portion and the second partition wall portion being provided alternately, the second partition wall portion having a shape different from a shape of the first partition wall portion, the second partition wall portion forming a cooling space between the second partition wall portion and each of two battery cells located on both sides beside the second partition wall portion in the first direction.
    Type: Application
    Filed: November 14, 2022
    Publication date: May 18, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kosyo ABE, Takahide TAKEDA, Yasushi TSUCHIDA, Masaki KOIKE, Koji WATANABE, Yuzo SUZUKI, Makoto OCHI, Kosuke IWASE, Yasuo IKEDA, Mio TAKENO, Seiichi SAKURAMOTO, Keiichiro KOBAYASHI
  • Publication number: 20230155254
    Abstract: A battery module includes: a plurality of battery cells stacked in a predetermined direction; and a plurality of bus bars that electrically connect the plurality of battery cells together. The plurality of bus bars include a first bus bar extending between a first battery cell and a second battery cell of the plurality of battery cells, the first battery cell and the second battery cell being adjacent to each other in the predetermined direction. The first bus bar has a first base portion connected to the first battery cell, a second base portion connected to the second battery cell, and a rising portion that has a shape to rise from the first base portion and the second base portion and that connects between the first base portion and the second base portion. A fragile portion is provided in a root region of the rising portion.
    Type: Application
    Filed: October 31, 2022
    Publication date: May 18, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kosyo ABE, Takahide TAKEDA, Keiichiro KOBAYASHI, Yasushi TSUCHIDA, Yuzo SUZUKI, Masaki KOIKE, Koji WATANABE, Seiichi SAKURAMOTO, Makoto OCHI, Kosuke IWASE, Mio TAKENO, Yasuo IKEDA
  • Publication number: 20230155255
    Abstract: A battery module includes: a plurality of battery cells stacked in a predetermined direction; a restraint member that applies, to the plurality of battery cells, restraint force along the predetermined direction; and a plurality of bus bars that electrically connects the plurality of battery cells together, the plurality of bus bars including a first bus bar and a second bus bar. The first bus bar has a first joining portion that joins separated members to each other by a first joining form, and connects, via the first joining portion, between battery cells adjacent to each other in the predetermined direction. The second bus bar has a second joining portion that joins separated members to each other by a second joining form different from the first joining form, and connects, via the second joining portion, between battery cells adjacent to each other in the predetermined direction.
    Type: Application
    Filed: November 1, 2022
    Publication date: May 18, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Kosyo ABE, Keiichiro KOBAYASHI, Takahide TAKEDA, Masaki KOIKE, Koji WATANABE, Seiichi SAKURAMOTO, Yasushi TSUCHIDA, Yuzo SUZUKI, Yasuo IKEDA, Makoto Ochi, Kosuke Iwase, Mio Takeno
  • Publication number: 20220384839
    Abstract: A method of manufacturing a battery pack of the present disclosure stacks a plurality of battery cells such that one surfaces face the same direction and compresses the battery cells from both sides, inserts the compressed battery cells into the case such that the one surfaces are positioned on an open end side of the case, disposes a plurality of bus bars on the one surfaces of the battery cells so as to overlap the corresponding terminal, moves a pressurizing jig so as to press the bus bars toward a bottom surface of the case from a pressurization start position corresponding to a height position of the terminal of the battery cell farthest from the bottom surface, and bonds each of the plurality of bus bars to the corresponding terminal.
    Type: Application
    Filed: May 23, 2022
    Publication date: December 1, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Shintaro Miyata, Yoshinori Shibata, Nobuyuki Yamazaki, Hirotoshi Kondo, Seiichi Sakuramoto
  • Publication number: 20220344782
    Abstract: A battery pack manufacturing method according to an aspect of the present disclosure includes stacking battery cells, pressurizing a battery cell group provided by stacking the battery cells in a stacking direction, measuring positions of cell terminals of the battery cells included in the pressurized battery cell group, finding a center straight line passing through a center of a distribution of the positions of the cell terminals, positioning a welding jig configured to decide a position where a bus bar is pressed against at least one of the cell terminals with reference to the center straight line, and welding the bus bar that is pressed against the at least one of the cell terminals, to the at least one of the cell terminals by the welding jig.
    Type: Application
    Filed: April 25, 2022
    Publication date: October 27, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Prime Planet Energy & Solutions, Inc.
    Inventors: Nobuyuki Yamazaki, Yoshinori Shibata, Seiichi Sakuramoto
  • Publication number: 20220263182
    Abstract: A method of manufacturing a power storage module includes: stacking a plurality of power storage cells along a first direction; compressing the plurality of power storage cells along the first direction; aligning the plurality of power storage cells in a second direction orthogonal to the first direction after relieving pressing force of the compressing; compressing the plurality of power storage cells along the first direction after aligning the plurality of power storage cells in the second direction; disposing a restraint portion on both sides in the first direction with respect to the plurality of power storage cells under application of pressing force of the compressing; and restraining the plurality of power storage cells by the restraint portion along the first direction by relieving, after disposing the restraint portion, the pressing force of the compressing.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 18, 2022
    Inventors: Wataru OKADA, Seiichi SAKURAMOTO
  • Patent number: 7419819
    Abstract: Apparatus for cell culture occupying little space, providing economical efficiency, reducing working labor, faulty manipulation, and promoting the prevention of contamination, which is suitable for small scale cell culture . The apparatus permits the execution of at least a medium replacement process and a passage culture process, and includes an aspirator unit for drawing a liquid, a chemical liquid supply unit for supplying a medium, a liquid for detachment, a washing liquid, a pipetting unit for quantitatively aspirating and discharging the liquid, a centrifugal unit for separating cells from the cell suspension in a centrifuge tube, and a handling unit for moving a culture vessel and the centrifuge tube to each unit. All units being constructed for storage in a clean bench. The apparatus may include a clean bench having a sterile operation space, and the aforementioned units may be removably stored within the sterile operation space.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: September 2, 2008
    Assignees: Mitsutech Co., Ltd., Gene Medicine Japan Inc.
    Inventors: Takahiro Nishimoto, Yoshiaki Hamada, Seiichi Sakuramoto, Keiichi Yokouchi, Akinobu Goto, Toshiro Shirakawa
  • Publication number: 20050176138
    Abstract: An object of the present invention is to provide an apparatus for cell culture exhibiting favorable property to occupy little space and economical efficiency, capable of reducing the working labor, faulty manipulation and the like, and of promoting the prevention of contamination, which is suitable for small scale cell culture at an experimental level on research, in particular.
    Type: Application
    Filed: February 1, 2005
    Publication date: August 11, 2005
    Inventors: Takahiro Nishimoto, Yoshiaki Hamada, Seiichi Sakuramoto, Keiichi Yokouchi, Akinobu Goto, Toshiro Shirakawa