Patents by Inventor Noriko Shima

Noriko Shima 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: 7803487
    Abstract: A non-aqueous liquid electrolyte secondary battery comprising an anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and a non-aqueous liquid electrolyte, having high charging capacity, capable of maintaining excellent characteristics over a long period of time and excellent in discharge capacity retention in particular, is provided. The non-aqueous liquid electrolyte contains at least, at least, a carbonate having at least either an unsaturated bond or a halogen atom, and a compound of formula (III-1) A-N?C?O where A represents an element or group other than a hydrogen.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: September 28, 2010
    Assignee: Mitsubishi Chemical Corporation
    Inventor: Noriko Shima
  • Publication number: 20100227226
    Abstract: A nonaqueous electrolyte which contains a nonaqueous organic solvent and a lithium salt dissolved therein is provided. Also provided is a lithium secondary battery employing the nonaqueous electrolyte.
    Type: Application
    Filed: May 17, 2010
    Publication date: September 9, 2010
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi ONUKI, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima
  • Publication number: 20100216036
    Abstract: A non-aqueous liquid electrolyte secondary battery comprising a anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and a non-aqueous liquid electrolyte, having high charging capacity, capable of maintaining excellent characteristics over a long period of time and excellent in discharge capacity retention in particular, is provided. The non-aqueous liquid electrolyte contains at least one of: (i) a compound represented by the general formula (I) below and a saturated cyclic carbonate compound; (ii) a compound represented by the general formula (II) below; and (iii) a compound represented by the general formula (III-1) below. (In the above formula (I), n represents an integer which is greater than or equal to 3, m represents an integer which is greater than or equal to 1, and the sum of n and m is greater than or equal to 5. All or part of the hydrogen atoms may be substituted with a fluorine atom.
    Type: Application
    Filed: February 26, 2010
    Publication date: August 26, 2010
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Noriko SHIMA
  • Publication number: 20100021823
    Abstract: The invention relates to a nonaqueous electrolyte which comprises a nonaqueous organic solvent and a lithium salt dissolved therein, wherein the nonaqueous organic solvent contains at least one compound selected from the group consisting of acid anhydrides and carbonic esters having an unsaturated bond, and at least one compound selected from the group consisting of sulfonic compounds and fluorine-containing aromatic compounds having 9 carbon atoms or less; and a lithium secondary battery employing the same.
    Type: Application
    Filed: June 22, 2009
    Publication date: January 28, 2010
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi Onuki, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima
  • Publication number: 20090325065
    Abstract: A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. Its non-aqueous liquid electrolyte contains carbonate having unsaturated bond and/or halogen and compounds like LiPF6 and/or LiBF4 (first lithium salt) and lithium salt different from said first one, represented by formula below (second lithium salt).
    Type: Application
    Filed: April 27, 2007
    Publication date: December 31, 2009
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takashi Fujii, Noriko Shima, Youichi Ohashi, Shinichi Kinoshita
  • Publication number: 20090253048
    Abstract: The present invention provides a nonaqueous electrolytic solution which can give excellent cycle characteristics. The nonaqueous electrolytic solution contains a linear carbonate represented by the formula (1): wherein, in the formula (1), Xa represents each independently hydrogen or any group; Ra represents optionally substituted alkyl; and n represents an integer of zero or more.
    Type: Application
    Filed: June 9, 2006
    Publication date: October 8, 2009
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventor: Noriko Shima
  • Publication number: 20080102375
    Abstract: A non-aqueous liquid electrolyte secondary battery comprising a anode electrode and a cathode electrode, capable of intercalating and deintercalating lithium ions, and a non-aqueous liquid electrolyte, having high charging capacity, capable of maintaining excellent characteristics over a long period of time and excellent in discharge capacity retention in particular, is provided. The non-aqueous liquid electrolyte contains at least one of: (i) a compound represented by the general formula (I) below and a saturated cyclic carbonate compound; (ii) a compound represented by the general formula (II) below; and (iii) a compound represented by the general formula (III-1) below. (In the above formula (I), n represents an integer which is greater than or equal to 3, m represents an integer which is greater than or equal to 1, and the sum of n and m is greater than or equal to 5. All or part of the hydrogen atoms may be substituted with a fluorine atom.
    Type: Application
    Filed: December 13, 2007
    Publication date: May 1, 2008
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Noriko SHIMA
  • Publication number: 20070238025
    Abstract: The invention relates to a nonaqueous electrolyte which comprises a nonaqueous organic solvent and a lithium salt dissolved therein, wherein the nonaqueous organic solvent contains at least one compound selected from the group consisting of acid anhydrides and carbonic esters having an unsaturated bond, and at least one compound selected from the group consisting of sulfonic compounds and fluorine-containing aromatic compounds having 9 carbon atoms or less; and a lithium secondary battery employing the same.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 11, 2007
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi ONUKI, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima
  • Publication number: 20070219210
    Abstract: A platelet coagulation inhibitor which inhibits neither COX-1 nor COX-2 is provided.
    Type: Application
    Filed: December 27, 2004
    Publication date: September 20, 2007
    Applicant: Daiichi Pharmaceutical Co., LTD.
    Inventors: Naoaki Kanaya, Takashi Ishiyama, Ryo Muto, Yuichi Ochiai, Toshiyuki Watanabe, Noriko Shima
  • Patent number: 6919145
    Abstract: A non-aqueous electrolyte secondary battery comprising a negative electrode, a positive electrode and an electrolyte having a lithium salt dissolved in a non-aqueous solvent characterized in that said non-aqueous solvent contains a vinylethylene carbonate compound represented by the general formula (I) in an amount of from 0.01 to 20% by weight is subject to minimized decomposition of the electrolyte and can provide a high capacity as well as exhibits excellent storage properties and cycle life performance. wherein R1, R2, R3, R4, R5 and R6 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: July 19, 2005
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Minoru Kotato, Takashi Fujii, Noriko Shima, Hitoshi Suzuki
  • Patent number: 6905799
    Abstract: There are disclosed a non-aqueous electrolyte which comprises a non-aqueous organic solvent and a lithium salt, and further contains a compound represented by the following formula (I): wherein X represents —O—, —S—, —CO— or —SO2, Y represents a single bond, —CH2—, —CH2—CH2—, —CH?CH— or —CO— and R1 to R8 each independently represent a hydrogen atom, an alkyl group, a phenyl group, or a halogen group, provided that X and Y do not represent —CO— at the same time.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: June 14, 2005
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kenji Okahara, Noriko Shima, Hitoshi Suzuki
  • Publication number: 20050118512
    Abstract: An object of the present invention is to provide a battery of high capacity that is excellent in storage, load, cycle, and continuous charge characteristics and that reduces gas generation; and a nonaqueous electrolyte for use in the battery. The invention relates to a nonaqueous electrolyte which comprises a nonaqueous organic solvent and a lithium salt dissolved therein, wherein the nonaqueous organic solvent contains at least one compound selected from the group consisting of acid anhydrides and carbonic esters having an unsaturated bond, and at least one compound selected from the group consisting of sulfonic compounds and fluorine-containing aromatic compounds having 9 carbon atoms or less; and a lithium secondary battery employing the same.
    Type: Application
    Filed: September 8, 2004
    Publication date: June 2, 2005
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masamichi Onuki, Minoru Kotato, Isao Konno, Shinichi Kinoshita, Noriko Shima
  • Patent number: 6670078
    Abstract: A nonaqueous electrolytic solution cell having a negative electrode containing lithium as an active material, a positive electrode, a nonaqueous electrolytic solution consisting of solute and organic solvent, a separator, and an outer can, wherein the organic solvent contains a compound having an S—O bond, and a current collector for the positive electrode and an electrolytic solution-contacting portion on the positive electrode side of the outer can are made of valve metal or alloy thereof is disclosed. The nonaqueous electrolytic solution cell of the present invention is excellent in low-temperature characteristics and long-term stability, and also in cycle characteristics for use as a secondary battery.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: December 30, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tomohiro Sato, Shoichiro Mori, Marc Deshamps, Minoru Kotato, Noriko Shima, Hitoshi Suzuki
  • Publication number: 20030068561
    Abstract: There are disclosed a non-aqueous electrolyte which comprises a non-aqueous organic solvent and a lithium salt, and further contains a compound represented by the following formula (I): 1
    Type: Application
    Filed: September 20, 2002
    Publication date: April 10, 2003
    Inventors: Kenji Okahara, Noriko Shima, Hitoshi Suzuki