Patents by Inventor Sumihito Ishida

Sumihito Ishida 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).

  • Electrolytic solution for non-aqueous type battery and non-aqueous type secondary battery
    Publication number: 20030118912
    Abstract: In a rechargeable non-aqueous electrolyte secondary battery using positive electrodes, negative electrodes and a non-aqueous electrolytic solution, additives to the electrolytic solution are used in combination, preferably in combination of at least two compounds selected from o-terphenyl, triphenylene, cyclohexylbenzene and biphenyl, and thus there are provided batteries excellent in safety and storage characteristics.
    Type: Application
    Filed: January 22, 2003
    Publication date: June 26, 2003
    Inventors: Shoichiro Watanabe, Shusaku Goto, Masaru Takagi, Sumihito Ishida, Toshikazu Hamamoto, Akira Ueki
  • Non-aqueous electrolyte secondary battery and method of manufacturing the same
    Publication number: 20030049519
    Abstract: In a non-aqueous electrolyte secondary battery having: an electrode plate assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte including a lithium salt and a non-aqueous solvent; and a gas absorbing element that absorbs gas produced in the secondary battery, wetting of the gas absorbing element with the non-aqueous solvent is controlled.
    Type: Application
    Filed: July 19, 2002
    Publication date: March 13, 2003
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Sumihito Ishida, Shoichiro Watanabe, Isao Mochida, Takashi Takeuchi