Patents by Inventor Satoru Naruse

Satoru Naruse 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: 9484585
    Abstract: There is provided non-aqueous organic electrolytic solution for a lithium primary battery which can be stored for long period at elevated temperatures or at the end stage of discharge. Non-aqueous organic electrolytic solution 20 for lithium primary battery 1 having a cathode active material which is manganese dioxide and an anode active material which is either of lithium or lithium alloy includes a base electrolytic solution that is composed of organic solvent and supporting electrolyte and to which either one of hydroxyphthalimide or hydroxyphthalimide derivative is added as an additive. An amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 5.0 wt % or less. It is more preferable that the amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 1.0 wt % or less.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: November 1, 2016
    Assignees: FDK Corporation, FDK Tottori Co., Ltd.
    Inventors: Yoshie Fujita, Satoru Naruse, Satoshi Sunada, Naoaki Nishimura, Takahide Kobashi
  • Publication number: 20150221984
    Abstract: There is provided non-aqueous organic electrolytic solution for a lithium primary battery which can be stored for long period at elevated temperatures or at the end stage of discharge. Non-aqueous organic electrolytic solution 20 for lithium primary battery 1 having a cathode active material which is manganese dioxide and an anode active material which is either of lithium or lithium alloy includes a base electrolytic solution that is composed of organic solvent and supporting electrolyte and to which either one of hydroxyphthalimide or hydroxyphthalimide derivative is added as an additive. An amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 5.0 wt % or less. It is more preferable that the amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 1.0 wt % or less.
    Type: Application
    Filed: February 4, 2015
    Publication date: August 6, 2015
    Inventors: Yoshie Fujita, Satoru Naruse, Satoshi Sunada, Naoaki Nishimura, Takahide Kobashi
  • Patent number: 8603678
    Abstract: A positive electrode active material for a nonaqueous electrolyte battery. The positive electrode active material has been manufactured through a mixing step and a heating step. In the mixing step, a mixture is produced by mixing niobium pentoxide (Nb2O5) with lithium hydroxide (LiOH) at a molar ratio of 1:1. In the heating step, the mixture is heated in an atmosphere of air at substantially 800° C. The positive electrode active material having been produced through the mixing process and the heating process causes the plateau potential in a discharge to be approximately 1.0 [V] for lithium. And the nonaqueous electrolyte battery using the positive electrode active material can operate at a voltage of approximately 1.0 [V].
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: December 10, 2013
    Assignees: SANYO Electric Co., Ltd., SANYO Energy Tottori Co., Ltd.
    Inventors: Shunsuke Uegaki, Masao Kondou, Yasuo Akai, Tomoyuki Shose, Satoru Naruse
  • Patent number: 7682749
    Abstract: A non-aqueous electrolyte secondary battery uses, as its positive electrode or negative electrode, an electrode containing an active material and a conductive agent, the active material being made of a mixture of a molybdenum dioxide and a lithium titanium oxide in a weight ratio (molybdenum dioxide: lithium titanium oxide) of from 90:10 to 50:50, and the conductive agent containing graphitized vapor grown carbon fiber and massive graphite. The massive graphite has an average particle size of 10 ?m or greater.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: March 23, 2010
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Shin-ichiro Sakaguchi, Yoshitaka Minamida, Satoru Naruse
  • Publication number: 20080220332
    Abstract: A positive electrode active material for a nonaqueous electrolyte battery. The positive electrode active material has been manufactured through a mixing step and a heating step. In the mixing step, a mixture is produced by mixing niobium pentoxide (Nb2O5) with lithium hydroxide (LiOH) at a molar ratio of 1:1. In the heating step, the mixture is heated in an atmosphere of air at substantially 800° C. The positive electrode active material having been produced through the mixing process and the heating process causes the plateau potential in a discharge to be approximately 1.0 [V] for lithium. And the nonaqueous electrolyte battery using the positive electrode active material can operate at a voltage of approximately 1.0 [V].
    Type: Application
    Filed: March 4, 2008
    Publication date: September 11, 2008
    Applicants: SANYO ELECTRIC CO., LTD., SANYO ENERGY TOTTORI CO., LTD.
    Inventors: Shunsuke UEGAKI, Masao KONDOU, Yasuo AKAI, Tomoyuki SHOSE, Satoru NARUSE
  • Publication number: 20080187836
    Abstract: A non-aqueous electrolyte secondary battery uses, as its positive electrode or negative electrode, an electrode containing an active material and a conductive agent, the active material being made of a mixture of a molybdenum dioxide and a lithium titanium oxide in a weight ratio (molybdenum dioxide:lithium titanium oxide) of from 90:10 to 50:50, and the conductive agent containing graphitized vapor grown carbon fiber and massive graphite. The massive graphite has an average particle size of 10 ?m or greater.
    Type: Application
    Filed: December 20, 2007
    Publication date: August 7, 2008
    Inventors: Shin-ichiro Sakaguchi, Yoshitaka Minamida, Satoru Naruse
  • Patent number: 7300723
    Abstract: 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: Grant
    Filed: February 26, 2004
    Date of Patent: November 27, 2007
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi
  • Publication number: 20040170904
    Abstract: 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: Application
    Filed: February 27, 2004
    Publication date: September 2, 2004
    Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi
  • Publication number: 20040170903
    Abstract: 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: Application
    Filed: February 26, 2004
    Publication date: September 2, 2004
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi
  • Publication number: 20040062996
    Abstract: 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: Application
    Filed: September 25, 2003
    Publication date: April 1, 2004
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Satoru Fukuoka, Seiji Morita, Nobuhiro Nishiguchi, Satoru Naruse, Masayuki Muraki, Masahiro Imanishi