Patents by Inventor Kazuhiko Shimoda
Kazuhiko Shimoda 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: 9356321Abstract: In a lead-acid battery including an electrode plate group housed in a cell chamber 6 with an electrolyte, each positive electrode plate includes a positive electrode grid made of lead or a lead alloy containing no antimony, and a positive electrode active material with which the positive electrode grid is filled. Each negative electrode plate includes a negative electrode grid made of lead or a lead alloy containing no antimony, a surface layer formed on a surface of the negative electrode grid and made of a lead alloy containing antimony, and a negative electrode active material with which the negative electrode grid is filled. A mass ratio MN/MP falls within a range of 0.70 to 1.10, where MP represents the mass of the positive electrode active material per cell chamber, and MN represents the mass of the negative electrode active material per cell chamber.Type: GrantFiled: October 22, 2013Date of Patent: May 31, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Etsuko Ogasawara, Misaki Harada, Kazuhiro Sugie, Kenji Izumi, Yu Kojima, Kazuhiko Shimoda, Kazunari Ando
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Publication number: 20150200424Abstract: In a lead-acid batter including an electrode plate group housed in a cell chamber with an electrolyte, each positive electrode plate includes a positive electrode grid made of lead or a lead alloy containing no antimony, and a positive electrode active material with which the positive electrode grid is filled. Each negative electrode plate includes a negative electrode grid made of lead or a lead alloy containing no antimony, a surface layer formed on a surface of the negative electrode grid and made of a lead alloy containing antimony, and a negative electrode active material with which the negative electrode grid is filled. A mass ratio MN/MP falls within a range of 0.70 to 1.10, where MP represents the mass of the positive electrode active material per cell chamber, and MN represents the mass of the negative electrode active material per cell chamber.Type: ApplicationFiled: October 22, 2013Publication date: July 16, 2015Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Etsuko Ogasawara, Misaki Harada, Kazuhiro Sugie, Kenji Izumi, Yu Kojima, Kazuhiko Shimoda, Kazunari Ando
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Patent number: 8197967Abstract: A lead storage battery of the present invention has an electrode plate pack comprising a plurality of negative electrode plates in each of which a negative electrode active material layer is retained by a negative electrode grid, a plurality of positive electrode plates in each of which a positive electrode active material layer is retained by a positive electrode grid, and a plurality of separators separating the positive electrode plate and the negative electrode plate; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack, and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The positive and negative electrode grids, and the positive and negative electrode connecting members comprise a Pb alloy including at least one of Ca and Sn; the negative electrode active material layer includes Sb; and the separator includes silica.Type: GrantFiled: April 1, 2005Date of Patent: June 12, 2012Assignee: Panasonic CorporationInventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shozo Murochi, Tsunenori Yoshimura, Shinichi Iwasaki, Shoji Horie, Koichi Yonemura
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Publication number: 20110300434Abstract: [Purpose] It is a purpose of the present invention to provide a lead-acid battery for use in idle reduction operation in which both excellent life characteristics and suppression of corrosion of negative-electrode grid ears are achieved by suppressing variations in SOC between cells. [Solution] A lead-acid battery including: a container in which a plurality of cells are linearly arranged; and a lid provided with a terminal. Plate packs provided in the cells are connected in series. One of electrode plates provided in the cells at both ends of the plurality of cells is connected to the terminal through a pole. The concentration of antimony contained in an electrolyte in each of the end cells is higher than that of each of the intermediate cells located between the end cells.Type: ApplicationFiled: September 1, 2009Publication date: December 8, 2011Inventors: Misaki Harada, Kazuhiro Sugie, Kazuhiko Shimoda
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Patent number: 8071239Abstract: A lead storage battery of the present invention has an electrode plate pack including: a plurality of negative electrode plates in each of which a negative electrode active material layer is retained by a negative electrode grid, a plurality of positive electrode plates in each of which a positive electrode active material layer is retained by a positive electrode grid, and a plurality of separators separating the positive and negative electrode plate; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack; and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The positive and negative electrode grids, and the positive and negative electrode connecting members comprise a Pb alloy including at least one of Ca and Sn, the negative electrode grid further includes Sb in a part thereof excluding the tab part, and the separator includes silica.Type: GrantFiled: April 7, 2005Date of Patent: December 6, 2011Assignee: Panasonic CorporationInventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shozo Murochi, Tsunenori Yoshimura, Shinichi Iwasaki, Shoji Horie, Michio Kurematsu, Koichi Yonemura
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Patent number: 7597998Abstract: A lead acid battery of the present invention has: an electrode plate pack including a plurality of negative electrode plates which each comprise a negative electrode grid having a tab and a negative electrode active material layer retained by the negative electrode grid, a plurality of positive electrode plates which each comprise a positive electrode grid having a tab and a positive electrode active material layer retained by the positive electrode grid, and a plurality of separators separating the positive and negative electrode plates; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack; and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The positive electrode grid has a lead alloy layer including 0.01 to 0.Type: GrantFiled: April 22, 2005Date of Patent: October 6, 2009Assignee: Panasonic CorporationInventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shinichi Iwasaki, Tsunenori Yoshimura
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Patent number: 7514177Abstract: A lead storage battery of the present invention has: an electrode plate pack including a plurality of negative electrode plates which each comprise a negative electrode grid having a tab and a negative electrode active material layer retained by the negative electrode grid, a plurality of positive electrode plates which each comprise a positive electrode grid having a tab and a positive electrode active material layer retained by the positive electrode grid, and a plurality of separators separating the positive and negative electrode plates; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack; and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The negative electrode active material layer includes 0.0001 to 0.003 wt % of Sb, and includes 0.01 to 2 wt % of a condensate of bisphenol and aminobenzene sulfonic acid derivative.Type: GrantFiled: June 14, 2005Date of Patent: April 7, 2009Assignee: Panasonic CorporationInventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shinichi Iwasaki
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Publication number: 20080241686Abstract: A lead storage battery of the present invention has an electrode plate pack comprising a plurality of negative electrode plates in each of which a negative electrode active material layer is retained by a negative electrode grid, a plurality of positive electrode plates in each of which a positive electrode active material layer is retained by a positive electrode grid, and a plurality of separators separating the positive electrode plate and the negative electrode plate; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack, and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The positive and negative electrode grids, and the positive and negative electrode connecting members comprise a Pb alloy including at least one of Ca and Sn; the negative electrode active material layer includes Sb; and the separator includes silica.Type: ApplicationFiled: April 1, 2005Publication date: October 2, 2008Inventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shozo Murochi, Tsunenori Yoshimura, Shinichi Iwasaki, Shoji Horie, Koichi Yonemura
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Patent number: 7292424Abstract: An object of the present invention is to provide an arcing horn system having a highly efficient dynamic current shutoff property including a dynamic current shutoff capability, for example, enough for the short circuit fault and other object thereof is to provide an arcing horn system capable of repeatedly maintaining the good dynamic current shutoff capability.Type: GrantFiled: September 13, 2002Date of Patent: November 6, 2007Assignees: Central Research Institute of Electric Power Industry, Kansai Electric Power Co., Inc., Tokyo Electric Power Co., Inc., Nippon Katan Co., Ltd.Inventors: Kazuhiko Takasu, Takashi Chino, Osamu Usuda, Toshio Watanabe, Tomoyasu Hasegawa, Kazuhiko Shimoda, Satoru Doi, Takehiko Kikuchi, Katsuyuki Urasawa, Hiroaki Kanatsuji, Yoshihiko Ota, Hiroki Sakamoto, Ryoji Matsushita
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Publication number: 20070172727Abstract: A lead storage battery of the present invention has: an electrode plate pack including a plurality of negative electrode plates which each comprise a negative electrode grid having a tab and a negative electrode active material layer retained by the negative electrode grid, a plurality of positive electrode plates which each comprise a positive electrode grid having a tab and a positive electrode active material layer retained by the positive electrode grid, and a plurality of separators separating the positive and negative electrode plates; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack; and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The negative electrode active material layer includes 0.0001 to 0.003 wt % of Sb, and includes 0.01 to 2 wt % of a condensate of bisphenol and aminobenzene sulfonic acid derivative.Type: ApplicationFiled: June 14, 2005Publication date: July 26, 2007Inventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shinichi Iwasaki
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Publication number: 20070160903Abstract: A lead storage battery of the present invention has an electrode plate pack including: a plurality of negative electrode plates in each of which a negative electrode active material layer is retained by a negative electrode grid, a plurality of positive electrode plates in each of which a positive electrode active material layer is retained by a positive electrode grid, and a plurality of separators separating the positive and negative electrode plate; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack; and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The positive and negative electrode grids, and the positive and negative electrode connecting members comprise a Pb alloy including at least one of Ca and Sn, the negative electrode grid further includes Sb in a part thereof excluding the tab part, and the separator includes silica.Type: ApplicationFiled: April 7, 2005Publication date: July 12, 2007Inventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shozo Murochi, Tsunenori Yoshimura, Shinichi Iwasaki, Shoji Horie, Michio Kurematsu, Koichi Yonemura
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Publication number: 20070160910Abstract: A lead acid battery of the present invention has: an electrode plate pack including a plurality of negative electrode plates which each comprise a negative electrode grid having a tab and a negative electrode active material layer retained by the negative electrode grid, a plurality of positive electrode plates which each comprise a positive electrode grid having a tab and a positive electrode active material layer retained by the positive electrode grid, and a plurality of separators separating the positive and negative electrode plates; a positive electrode connecting member connected to each positive electrode plate of the electrode plate pack; and a negative electrode connecting member connected to each negative electrode plate of the electrode plate pack. The positive electrode grid has a lead alloy layer including 0.01 to 0.Type: ApplicationFiled: April 22, 2005Publication date: July 12, 2007Inventors: Kazuhiro Sugie, Kazuhiko Shimoda, Shinchi Iwasaki, Tsunenori Yoshimura
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Publication number: 20060213872Abstract: An object of the present invention is to provide an arcing horn system having a highly efficient dynamic current shutoff property including a dynamic current shutoff capability, for example, enough for the short circuit fault and other object thereof is to provide an arcing horn system capable of repeatedly maintaining the good dynamic current shutoff capability. In an arcing horn system, an insulative tube 21 for surrounding a front end side of an arcing horn 11, 12 is provided and an air vent 21a communicating from a front end portion of the arcing horn 11, 12 to a front end surface of the insulative tube 21 is formed on the insulative tube 21, so that the arc jet is blown off from the air vent 21a upon the flashover in accordance with the thunder stroke. The insulative tube 21 is made of a polyamide resin. A cap 30 for covering the front end side of the insulative tube 21 is disposed so as to prevent the intrusion of the rain water into the air vent 21a.Type: ApplicationFiled: September 13, 2002Publication date: September 28, 2006Inventors: Kazuhiko Takasu, Takashi Chino, Osamu Usuda, Toshio Watanabe, Tomoyasu Hasegawa, Kazuhiko Shimoda, Satoru Doi, Takehiko Kikuchi, Katsuyuki Urasawa, Hiroaki Kanatsuji, Yoshihiko Ota, Hiroki Sakamoto, Ryoji Matsushita
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Patent number: 6635380Abstract: The present invention provides a high output storage battery with a high reliability that is easy to fabricate. This storage battery comprises a plurality of monoblock containers united to each other with space provided between the adjacent monoblock containers and one common cover to seal the openings of those monoblock containers. Each monoblock container has a plurality of cell compartments separated from each other by partitions. Each of those cell compartments houses an assembly element comprising a plurality of positive electrode plates and negative electrode plates stacked with separators placed between them.Type: GrantFiled: June 6, 2000Date of Patent: October 21, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kazuhiko Shimoda, Akira Iwamura, Yasuyuki Yoshihara, Ayako Hirao, Nobuyuki Takami, Kiichi Koike
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Patent number: 5607797Abstract: The present invention relates to a lead acid storage battery and provides a lead acid storage battery having a high durability against complicated vibrations such as perpendicular and horizontal vibrations and the combination of these vibrations applied by vehicles or machines on which the battery is installed and having a long shelf life. A polyolefin resin having good fluidity is heat molten and poured into two portions above and near the left and right ends of the plate group comprising positive and negative plates having lugs at nearly the center portion so that the resin reaches at least one of the inner wall or inner partition wall, thereby to form a beam-shaped plate fixing member.Type: GrantFiled: May 15, 1995Date of Patent: March 4, 1997Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Toshirou Hasegawa, Kazuhiko Shimoda, Kunio Makino, Mitsuo Tomioka
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Patent number: 5586994Abstract: The present invention relates to a lead acid storage battery and provides a lead acid storage battery having a high durability against complicated vibrations such as perpendicular and horizontal vibrations and the combination of these vibrations applied by vehicles or machines on which the battery is installed and having a long shelf life. A polyolefin resin having good fluidity is heat molten and poured into two portions above and near the left and right ends of the plate group comprising positive and negative plates having lugs at nearly the center portion so that the resin reaches at least one of the inner wall or inner partition wall, thereby to form a beam-shaped plate fixing member.Type: GrantFiled: November 22, 1995Date of Patent: December 24, 1996Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Toshirou Hasegawa, Kazuhiko Shimoda, Kunio Makino, Mitsuo Tomioka
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Patent number: 5521495Abstract: A rotor 10 is constructed of a rotating shaft 7 and a semicylindrical rotating core 9 mounted on the shaft 7. A stator is coaxially arranged, with the rotor 10 being surrounded by a pair of annular stator coils 11 and 13 arranged one above the other in an axial direction of the rotor 10. A yoke member of the coils 11 and 13 is provided with magnetic material plates 19, 21, 23 and 25. The plates 19 and 21 for the coil 11 have halves 19A and 21A with inner peripheral portions protruding radially inwardly to approach the rotor 10, while the remaining plates 23 and 25 for the coil 13 have halves 23A and 25A with their inner peripheral portions protruding radially inwardly to approach the rotor 10. The halves 23A and 25A are oppositely disposed from the halves 19A and 21 A so as to have the coils 11 and 13 be opposite to each other in phase of the inductance as the rotor 10 rotates.Type: GrantFiled: September 22, 1994Date of Patent: May 28, 1996Assignee: Zexel CorporationInventors: Hajime Takahashi, Wataru Nagasaki, Ken Togashi, Kazuhiko Shimoda