Patents by Inventor Nobuhiro Nishiguchi
Nobuhiro Nishiguchi 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: 9819017Abstract: There is provided a sealed battery having excellent corrosion resistance and sealing performance. The sealed battery 1 includes a battery jacket can 2 having a bottom and being in a cylindrical or polyhedral shape. The battery jacket can 2 also serves as a collector of one of the electrodes. The battery jacket can 2 has an opening pointing upwards and accommodates active parts (3, 4, 5 and 20). The opening is sealed by a sealing part 10 that includes a flat metal sealing plate 6, a gasket 9 made of an insulator, and a terminal part 7 of the other electrode. In the sealing part, the terminal part is attached to the sealing plate 6 using the gasket 9. The sealing plate has a planar shape that matches a shape of the opening of the battery jacket can. The sealing plate is in a saucer shape whose edge section is bent upwards.Type: GrantFiled: August 5, 2015Date of Patent: November 14, 2017Assignee: FDK CorporationInventors: Satoshi Sunada, Takahide Kobashi, Yoshie Fujita, Nobuhiro Nishiguchi
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Patent number: 9748610Abstract: A spirally-wound lithium battery includes: a bottomed cylindrical cell can doubling as an anode current collector; and a strip-shaped electrode body including an anode and a cathode arranged faced each other via a separator, the anode including an anode active material of lithium metal or alloy, the cell can being sealed, with a non-aqueous organic electrolyte, containing the electrode body wound in a longitudinal direction, the electrode body being wound from a winding axis side around the axis in a vertical direction, an extending direction of a cell can cylindrical axis, such that the anode is arranged at an outermost circumference, the electrode body is attached with a conductor, continuously extending in the longitudinal direction thereof, on an outer circumferential surface of the anode, from a winding end of the anode to an area thereof opposed to an inner surface of the cathode on its winding end side.Type: GrantFiled: December 23, 2015Date of Patent: August 29, 2017Assignee: FDK CorporationInventors: Yoshie Fujita, Nobuhiro Nishiguchi, Satoshi Sunada, Takahide Kobashi
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Patent number: 9711788Abstract: A primary lithium battery having an electrode body that is arranged with a sheet-like cathode and a sheet-like anode opposing each other via a separator and sealed inside a jacket body together with a non-aqueous organic electrolyte including the cathode being made by applying or compressively bonding to a surface of a sheet-like current collector cathode material including cathode active material allowing occlusion of lithium ions, and the anode being made by applying anode material including carbon active material allowing occlusion and separation of lithium ions on a one main side face side of a sheet-like current collector having formed holes penetrating from a front to a back, and an anode active material made of a lithium metal or a lithium alloy being affixed to another face side of the current collector.Type: GrantFiled: September 25, 2014Date of Patent: July 18, 2017Assignee: FDK CorporationInventors: Naoaki Nishimura, Yuki Ochiai, Haruhiko Satake, Nobuhiro Nishiguchi
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Publication number: 20160226063Abstract: A primary lithium battery having an electrode body that is arranged with a sheet-like cathode and a sheet-like anode opposing each other via a separator and sealed inside a jacket body together with a non-aqueous organic electrolyte including the cathode being made by applying or compressively bonding to a surface of a sheet-like current collector cathode material including cathode active material allowing occlusion of lithium ions, and the anode being made by applying anode material including carbon active material allowing occlusion and separation of lithium ions on a one main side face side of a sheet-like current collector having formed holes penetrating from a front to a back, and an anode active material made of a lithium metal or a lithium alloy being affixed to another face side of the current collector.Type: ApplicationFiled: September 25, 2014Publication date: August 4, 2016Applicants: FDK CORPORATION, FDK TOTTORI CO., LTD.Inventors: Naoaki NISHIMURA, Yuki OCHIAI, Haruhiko SATAKE, Nobuhiro NISHIGUCHI
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Publication number: 20160190653Abstract: A spirally-wound lithium battery includes: a bottomed cylindrical cell can doubling as an anode current collector; and a strip-shaped electrode body including an anode and a cathode arranged faced each other via a separator, the anode including an anode active material of lithium metal or alloy, the cell can being sealed, with a non-aqueous organic electrolyte, containing the electrode body wound in a longitudinal direction, the electrode body being wound from a winding axis side around the axis in a vertical direction, an extending direction of a cell can cylindrical axis, such that the anode is arranged at an outermost circumference, the electrode body is attached with a conductor, continuously extending in the longitudinal direction thereof, on an outer circumferential surface of the anode, from a winding end of the anode to an area thereof opposed to an inner surface of the cathode on its winding end side.Type: ApplicationFiled: December 23, 2015Publication date: June 30, 2016Inventors: Yoshie Fujita, Nobuhiro Nishiguchi, Satoshi Sunada, Takahide Kobashi
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Publication number: 20160043356Abstract: There is provided a sealed battery having excellent corrosion resistance and sealing performance. The sealed battery 1 includes a battery jacket can 2 having a bottom and being in a cylindrical or polyhedral shape. The battery jacket can 2 also serves as a collector of one of the electrodes. The battery jacket can 2 has an opening pointing upwards and accommodates active parts (3, 4, 5 and 20). The opening is sealed by a sealing part 10 that includes a flat metal sealing plate 6, a gasket 9 made of an insulator, and a terminal part 7 of the other electrode. In the sealing part, the terminal part is attached to the sealing plate 6 using the gasket 9. The sealing plate has a planar shape that matches a shape of the opening of the battery jacket can. The sealing plate is in a saucer shape whose edge section is bent upwards.Type: ApplicationFiled: August 5, 2015Publication date: February 11, 2016Inventors: Satoshi Sunada, Takahide Kobashi, Yoshie Fujita, Nobuhiro Nishiguchi
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Patent number: 7300723Abstract: The present invention provides a cell that does not impair heat resistant safety and electrochemical characteristics such as a discharge characteristic, and enhances long-period reliability. In the cell of the present invention, a nonaqueous solvent has, among compounds represented by the following general formula (1), at least one solvent having a boiling point of 200° C. or higher, and has, among compounds represented by the following general formula (1), at least one solvent having a boiling point of lower than 200° C.; and the total volume ratio at 23° C. of the compounds represented by the following general formula (1) is 95 to 100 percent of the nonaqueous solvent, X—(O—C2H4)n-O—Y??(1) (where X and Y are independently an alkyl group (number of carbons: 1-4), and n is 1-5).Type: GrantFiled: February 26, 2004Date of Patent: November 27, 2007Assignee: Sanyo Electric Co., Ltd.Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi
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Publication number: 20060222949Abstract: Provided is a non-aqueous electrolyte secondary battery whose negative-electrode mixture contains a carbon material in addition to spinel-structure lithium titanium oxide (negative-electrode active material), and which realizes positive-electrode deterioration curbing and excellent battery performance. In the non-aqueous electrolyte secondary battery whose negative-electrode active material is mainly constituted by spinel-structure lithium titanium oxide, a carbon material that has a d002 spacing in a range of 0.335 nm to 0.340 nm, inclusive, and a bulk density smaller than 0.1 g/cm3 is added to the negative-electrode active material. Even when overcharged, the non-aqueous electrolyte secondary battery is restrained from undergoing excessive positive-electrode potential increase, and so is capable of largely restraining deterioration of the positive electrode.Type: ApplicationFiled: March 29, 2006Publication date: October 5, 2006Applicant: SANYO ELECTRIC CO., LTD.Inventors: Yoshitaka Minamida, Seiji Morita, Nobuhiro Nishiguchi, Naoki Terada
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Patent number: 7022812Abstract: A lithium battery employs for a battery separator and a battery insulating packing and the like a battery polymeric material comprising repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group and a sulfonyl group, or a polymeric material comprising at least two types of repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group, a sulfonyl group, sulfur and a carbonyloxy group.Type: GrantFiled: August 4, 2004Date of Patent: April 4, 2006Assignee: Sanyo Electric Co., Ltd.Inventors: Seiji Yoshimura, Hiroshi Nakajima, Maruo Kamino, Nobuhiro Nishiguchi, Masahiro Imanishi
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Publication number: 20050010026Abstract: A lithium battery employs for a battery separator and a battery insulating packing and the like a battery polymeric material comprising repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group and a sulfonyl group, or a polymeric material comprising at least two types of repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group, a sulfonyl group, sulfur and a carbonyloxy group.Type: ApplicationFiled: August 4, 2004Publication date: January 13, 2005Applicant: Sanyo Electric Co., Ltd.Inventors: Seiji Yoshimura, Hiroshi Nakajima, Maruo Kamino, Nobuhiro Nishiguchi, Masahiro Imanishi
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Patent number: 6818735Abstract: A lithium battery employs for a battery separator and a battery insulating packing and the like a battery polymeric material comprising repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group and a sulfonyl group, or a polymeric material comprising at least two types of repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group, a sulfonyl group, sulfur and a carbonyloxy group.Type: GrantFiled: August 23, 2001Date of Patent: November 16, 2004Assignee: Sanyo Electric Co., Ltd.Inventors: Seiji Yoshimura, Hiroshi Nakajima, Maruo Kamino, Nobuhiro Nishiguchi, Masahiro Imanishi
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Publication number: 20040170903Abstract: The present invention provides a cell that does not impair heat resistant safety and electrochemical characteristics such as a discharge characteristic, and enhances long-period reliability. In the cell of the present invention, a nonaqueous solvent has, among compounds represented by the following general formula (1), at least one solvent having a boiling point of 200° C. or higher, and has, among compounds represented by the following general formula (1), at least one solvent having a boiling point of lower than 200° C.; and the total volume ratio at 23° C.Type: ApplicationFiled: February 26, 2004Publication date: September 2, 2004Applicant: SANYO ELECTRIC CO., LTD.Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi
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Publication number: 20040170904Abstract: The present invention provides a cell that does not impair heat resistant safety and electrochemical characteristics such as a discharge characteristic, and enhances long-period reliability. In the cell of the present invention, a nonaqueous solvent has, among compounds represented by the following general formula (1), at least one solvent having a boiling point of 200° C. or higher, and has, among compounds represented by the following general formula (1), at least one solvent having a boiling point of lower than 200° C.; and the total volume ratio at 23° C.Type: ApplicationFiled: February 27, 2004Publication date: September 2, 2004Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi
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Publication number: 20040062996Abstract: A lithium cell has a positive electrode, a negative electrode having lithium, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolytic solution containing a solute and a non-aqueous solvent. The non-aqueous solvent has a main component of one or more than one compound represented by the following general formula (1): X—(O—C2H4)n-O—Y (where X and Y are independently a methyl group or an ethyl group, and n is 2 or 3). The main component is 90 to 100% in volume of the non-aqueous solvent. The separator has a melting point of higher than 150° C. The lithium cell with the above construction does not impair heat resistant safety and electrochemical characteristics such as discharging characteristics even in severe environments of high temperature, and enhances its long period reliability.Type: ApplicationFiled: September 25, 2003Publication date: April 1, 2004Applicant: SANYO ELECTRIC CO., LTD.Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi
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Patent number: 6676440Abstract: A printed circuit board with a coin type electric element of the present invention has the coin type electric element, and printed circuit board, on which the coin type electric element is fixed by soldering. The coin type electric element have a coin exterior case formed of metal and in a coin shape with an opening; a sealing plate, which is fixed on the opening of the coin exterior case, sealing the coin exterior case; and an insulating seal interposed between the coin exterior case and the sealing plate. The coin exterior case and the sealing plate are composed of a pair of terminals, A lead, whose tip portion is bent toward a surface side of a first terminal face, is connected to a second terminal face of the coin type electric element. A soldering face to be soldered by reflow soldering is provided at the tip portion.Type: GrantFiled: April 14, 2003Date of Patent: January 13, 2004Assignee: Sanyo Electric Co., Ltd.Inventors: Shoichi Inamine, Masahiro Imanishi, Yoshitaka Minamida, Katsuyuki Kida, Nobuhiro Nishiguchi, Seiji Morita
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Patent number: 6509120Abstract: A lithium battery comprising a positive electrode comprising a positive-electrode active material of boron-containing lithium-manganese complex oxide, a negative electrode and a nonaqueous electrolyte containing a solute and a solvent, the positive-electrode active material is the boron-containing lithium-manganese complex oxide having a boron-to-manganese atomic ratio (B/Mn) in the range of 0.01 to 0.20 and a predischarge mean manganese valence of not less than 3.Type: GrantFiled: August 1, 2000Date of Patent: January 21, 2003Assignee: Sanyo Electric Co., Ltd.Inventors: Seiji Yoshimura, Taeko Ota, Shin Fujitani, Nobuhiro Nishiguchi
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Patent number: 6461770Abstract: A lithium battery comprising a positive electrode, a negative electrode and a nonaqueous electrolyte containing a a solute and a solvent, wherein the positive electrode comprises a positive-electrode active material of lithium-manganese complex oxide containing boron and phosphorus.Type: GrantFiled: August 1, 2000Date of Patent: October 8, 2002Assignee: Sanyo Electric Co., Ltd.Inventors: Seiji Yoshimura, Taeko Ota, Shin Fujitani, Nobuhiro Nishiguchi
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Publication number: 20020051910Abstract: A lithium battery employs for a battery separator and a battery insulating packing and the like a battery polymeric material comprising repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group and a sulfonyl group, or a polymeric material comprising at least two types of repeating units wherein p-phenylene is combined with one type of group selected from the group composed of oxygen, a methylene group, an isopropylidene group, a carbonyl group, a carbonyldioxy group, a carboxylic acid anhydride group, an amide group, an ureylene group, a sulfonyl group, sulfur and a carbonyloxy group.Type: ApplicationFiled: August 23, 2001Publication date: May 2, 2002Applicant: Sanyo Electric Co., Ltd.Inventors: Seiji Yoshimura, Hiroshi Nakajima, Maruo Kamino, Nobuhiro Nishiguchi, Masahiro Imanishi
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Patent number: 5578395Abstract: A lithium secondary battery comprises a negative electrode having lithium as an active material, a positive electrode comprising a boron-containing lithium-manganese composite oxide as an active material and a nonaqueous electrolyte comprising a solute and a solvent, the boron-containing lithium-manganese composite oxide having an atomic ratio between B and Mn (B/Mn) of 0.01 to 0.20 and an average valence of manganese before charge-discharge of at least 3.80, and the solvent being a mixed solvent containing 5 to 50% by volume of a butylene carbonate. This battery is highly reliable, since the positive electrode active material minimally decomposes and hence the internal resistance minimally increases, even when the battery is continuously charged at a high voltage by mistake.Type: GrantFiled: March 7, 1995Date of Patent: November 26, 1996Assignee: Sanyo Electric Co., Ltd.Inventors: Seiji Yoshimura, Yuji Yamamoto, Yoshihiro Shoji, Koji Nishio, Toshihiko Saito, Nobuhiro Nishiguchi, Keiichi Tsujioku, Minoru Fujimoto