Patents by Inventor Nagaaki Muro
Nagaaki Muro 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: 11509005Abstract: A battery includes a plurality of secondary batteries, a casing including a lower case and an upper case, and a plurality of separators interposed between corresponding secondary batteries. Each separator includes a first stopper in a lower part, a second stopper in an upper part, and a cooling passage between the secondary batteries and between the first stopper and the second stopper. The casing includes a face opposing the lateral faces of the secondary battery and including an opening opposing the cooling passage.Type: GrantFiled: March 9, 2018Date of Patent: November 22, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Masakatsu Kasai, Norio Shimizu, Nagaaki Muro, Mitsuhiro Hoshino, Kenji Shigehisa, Takashi Muto, Tomoyoshi Furusawa
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Publication number: 20220359930Abstract: According to one embodiment, a battery includes a battery group, a case, a metal plate, an insulator and an electrical connection path. The battery group includes a plurality of batteries, and each of the batteries includes an electrode group and a metal exterior container made in which the electrode group is housed. The metal plate is provided between the battery group and the base and forms a clearance between the metal plate and the base. The insulator has plasticity and an electrical insulating property, and is sandwiched between the battery group and the metal plate. The insulator electrically insulates between the exterior container of each of the batteries and the metal plate. The electrical connection path electrically connects the metal plate to the base.Type: ApplicationFiled: July 21, 2022Publication date: November 10, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Nagaaki MURO, Yoshimitsu ITO, Noboru KOIKE, Mitsuhiro HOSHINO, Hirofumi YAMAMOTO, Tadashi KANO, Hidenori MIYAMOTO, Kazuto KURODA
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Publication number: 20210367290Abstract: A battery includes a plurality of secondary batteries, a casing including a lower case and an upper case, and a plurality of separators interposed between corresponding secondary batteries. Each separator includes a first stopper in a lower part, a second stopper in an upper part, and a cooling passage between the secondary batteries and between the first stopper and the second stopper. The casing includes a face opposing the lateral faces of the secondary battery and including an opening opposing the cooling passage.Type: ApplicationFiled: March 9, 2018Publication date: November 25, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masakatsu KASAI, Norio SHIMIZU, Nagaaki MURO, Mitsuhiro HOSHINO, Kenji SHIGEHISA, Takashi MUTO, Tomoyoshi FURUSAWA
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Patent number: 10224585Abstract: Each of the plurality of battery heat radiation units includes, a battery module, at least one heat pipe thermally connected at a first end of the heat pipe to one surface of the battery module and protruding from the battery module at a second end of the heat pipe, at least one metal heat exchanger plate thermally connected to one surface of the battery module, and at least one heat radiation portion provided at the second end of the heat pipe, the air blowing portion blows air to the heat radiation portion, and one heat radiation portion in the plurality of battery heat radiation units is misaligned with other heat radiation portions in the plurality of battery heat radiation units as viewed from the air blowing portion side.Type: GrantFiled: March 10, 2016Date of Patent: March 5, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Tomonao Takamatsu, Mitsunobu Yoshida, Nobukatsu Sugiyama, Ryosuke Yagi, Norihiro Tomimatsu, Katsumi Hisano, Hideo Shimizu, Masahiro Sekino, Toshinori Uchida, Nagaaki Muro
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Publication number: 20160268655Abstract: Each of the plurality of battery heat radiation units includes, a battery module, at least one heat pipe thermally connected at a first end of the heat pipe to one surface of the battery module and protruding from the battery module at a second end of the heat pipe, at least one metal heat exchanger plate thermally connected to one surface of the battery module, and at least one heat radiation portion provided at the second end of the heat pipe, the air blowing portion blows air to the heat radiation portion, and one heat radiation portion in the plurality of battery heat radiation units is misaligned with other heat radiation portions in the plurality of battery heat radiation units as viewed from the air blowing portion side.Type: ApplicationFiled: March 10, 2016Publication date: September 15, 2016Inventors: Tomonao Takamatsu, Mitsunobu Yoshida, Nobukatsu Sugiyama, Ryosuke Yagi, Norihiro Tomimatsu, Katsumi Hisano, Hideo Shimizu, Masahiro Sekino, Toshinori Uchida, Nagaaki Muro
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Patent number: 9444086Abstract: According to one embodiment, a battery unit includes a first cell unit, a second cell unit and a third cell unit arranged adjacent to the first cell unit, respectively. Each cell unit includes a plurality of secondary battery cells, and the respective secondary battery cells are formed of a main body of a substantially rectangular solid shape and a pair of first and second electrodes of different polarities each other pulled out from one end of the main body. A first bus bar connects the first electrodes of the first cell unit and the second electrodes of the second cell unit in a first line, and a second bus bar connects the second electrodes of the first cell unit and the first electrodes of the third cell unit in a second line.Type: GrantFiled: September 10, 2010Date of Patent: September 13, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Hideo Shimizu, Nagaaki Muro, Masahiro Sekino, Hidenori Miyamoto, Mitsuhiro Saito, Kenji Yazawa, Toshinori Uchida
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Publication number: 20140023893Abstract: According to one embodiment, a secondary battery device includes a plurality of secondary battery cells and a resin case including a plurality of wall portions defining a plurality of accommodation sections, which are configured to individually accommodate the secondary battery cells. At least one of the wall portions defining each of the accommodation sections includes a plurality of pressure springs molded integrally with the wall portion from a synthetic resin and configured to press and position each of the secondary battery cells accommodated in the accommodation sections.Type: ApplicationFiled: September 19, 2013Publication date: January 23, 2014Applicant: Kabushiki Kaisha ToshibaInventors: Hideo Shimizu, Noboru Koike, Takashi Murai, Nagaaki Muro, Tadashi Shudo, Nobumitsu Tada
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Patent number: 8021176Abstract: A power supply connector is provided, which is applicable to both large current charging and low current charging, the power supply connector being able to not only maintain the accuracy of monitoring low current charging and the volumetric efficiency of a board by appropriately arranging two types of connector parts, but also contribute to the downsizing of the power supply connector and improvement of the reliability thereof by striking a balance between the volumetric efficiency and the heat radiation characteristics, and ensure safety in the use of the power supply connector while reducing the cost. Insertion holes 4 and connector pins 2 that configure a large current charging connector part are disposed in the vicinity of both ends of the power supply connector 1. There are disposed a plug insertion hole 9 and low current charging connector pins 11 that configure a low current charging connector part held between the insertion holes 4 and the connector pins 2.Type: GrantFiled: September 24, 2008Date of Patent: September 20, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Masahiro Sekino, Norio Shimizu, Nagaaki Muro, Yuusaku Hata, Tsutomu Kanetsuna, Kazuhide Ashida, Shun Egusa, Kenji Sato, Kenji Shigehisa
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Publication number: 20110076521Abstract: According to one embodiment, a battery unit includes a first cell unit, a second cell unit and a third cell unit arranged adjacent to the first cell unit, respectively. Each cell unit includes a plurality of secondary battery cells, and the respective secondary battery cells are formed of a main body of a substantially rectangular solid shape and a pair of first and second electrodes of different polarities each other pulled out from one end of the main body. A first bus bar connects the first electrodes of the first cell unit and the second electrodes of the second cell unit in a first line, and a second bus bar connects the second electrodes of the first cell unit and the first electrodes of the third cell unit in a second line.Type: ApplicationFiled: September 10, 2010Publication date: March 31, 2011Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hideo Shimizu, Nagaaki Muro, Masahiro Sekino, Hidenori Miyamoto, Mitsuhiro Saito, Kenji Yazawa, Toshinori Uchida
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Publication number: 20100285677Abstract: A power supply connector is provided, which is applicable to both large current charging and low current charging, the power supply connector being able to not only maintain the accuracy of monitoring low current charging and the volumetric efficiency of a board by appropriately arranging two types of connector parts, but also contribute to the downsizing of the power supply connector and improvement of the reliability thereof by striking a balance between the volumetric efficiency and the heat radiation characteristics, and ensure safety in the use of the power supply connector while reducing the cost. Insertion holes 4 and connector pins 2 that configure a large current charging connector part are disposed in the vicinity of both ends of the power supply connector 1. There are disposed a plug insertion hole 9 and low current charging connector pins 11 that configure a low current charging connector part held between the insertion holes 4 and the connector pins 2.Type: ApplicationFiled: September 24, 2008Publication date: November 11, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masahiro Sekino, Norio Shimizu, Nagaaki Muro, Yuusaku Hata, Tsutomu Kanetsuna, Kazuhide Ashida, Shun Egusa, Kenji Sato, Kenji Shigehisa
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Publication number: 20100266887Abstract: A battery pack is provided, in which external connection terminals are arrayed in the same direction in the module having the plurality of cells connected in series and a wiring that cuts across the module is not generated, and, in which improvement of the workability and reduction of connection failures are achieved by only connecting between the units by means of a bus bar when creating the module. Three pieces of flat-plate cells 2a to 2c are arranged in parallel to configure a three-piece unit 1. A positive electrode terminal 3 and negative electrode terminal 4 are provided at the top of each of the cells 2a to 2c.Type: ApplicationFiled: September 24, 2008Publication date: October 21, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masahiro Sekino, Nagaaki Muro, Norio Shimizu, Yuusaku Hata, Tsutomu Kanetsuna, Kenji Sato, Kenji Shigehisa
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Publication number: 20100015513Abstract: There is provided a battery apparatus mounted in a vehicle that is not subjected to forced draft, the battery apparatus including a plurality of rectangular parallelepiped batteries stacked in a direction vertical to a traveling direction of the vehicle, a rectangular parallelepiped battery box that accommodates the plurality of rectangular parallelepiped batteries therein, and a heat equalizing plate that is brought into contact with the plurality of rectangular parallelepiped batteries.Type: ApplicationFiled: September 29, 2009Publication date: January 21, 2010Inventors: Takafumi NAKAHAMA, Mami Mizutani, Takeo Kakuchi, Tamon Ozaki, Nagaaki Muro, Takafumi Domoto, Yuusaku Hata, Yukitaka Monden, Taihei Koyama, Yosuke Tonami
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Publication number: 20090274956Abstract: There is provided a bus bar which electrically connects two terminals respectively provided to two batteries with each other and is formed of at least one tabular conductor, the bus bar including two connecting portions which are connected with the two terminals, and a convex portion formed into a convex shape between the two connecting portions by curving the tabular conductor.Type: ApplicationFiled: May 27, 2009Publication date: November 5, 2009Inventors: Shinichiro KOSUGI, Shun Egusa, Yoshinobu Makino, Masahiro Sekino, Takeo Kakuchi, Tamon Ozaki, Takafumi Nakahama, Nagaaki Muro, Yuusaku Hata, Norihito Togashi, Kenji Sato, Kenji Shigehisa, Tsutomu Kanetsuna