Patents by Inventor Hirotsugu Fujita

Hirotsugu Fujita 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).

  • RESIN COMPOSITION USED FOR HEAT-SHRINKABLE MEMBER, HEAT-SHRINKABLE TUBE COMPOSED OF THE RESIN COMPOSITION, AND MEMBER COVERED BY THE TUBE
    Publication number: 20100104783
    Abstract: A resin composition used for a heat-shrinkable member: at least one plasticizer; and a polyphenylene sulfide resin (a), at least one tan ? peak existing within the temperature range between 65 and 95° C. as measured by dynamic viscoelasticity at an oscillation frequency of 10 Hz, a strain of 0.1%, and a temperature increase rate of 3° C./min.
    Type: Application
    Filed: March 14, 2008
    Publication date: April 29, 2010
    Applicant: Mitsubishi Plastics, Inc.
    Inventors: Asami Kitajima, Motoi Yamashita, Takashi Hiruma, Hirotsugu Fujita, Jun Takagi
  • Heat-shrinkable polystyrene tube
    Patent number: 5466499
    Abstract: A heat-shrinkable polystyrene tube made of a composition comprising, as main components, a block copolymer having styrene-type hydrocarbon blocks and conjugated diene-type hydrocarbon blocks, and a polymer containing a styrene-type hydrocarbon, wherein the conjugated diene-type blocks in the block copolymer constitute from 5 to 40 wt % of the entire composition.
    Type: Grant
    Filed: April 5, 1994
    Date of Patent: November 14, 1995
    Assignee: Mitsubishi Plastics Industries Limited
    Inventors: Jun Takagi, Hirotsugu Fujita
  • Method for preparing positive electrode for non-aqueous electrolyte cell
    Patent number: 4601919
    Abstract: A method for preparing a positive electrode for a non-aqueous electrolyte cell comprises applying a positive electrode-active material, an electrically conductive agent, a dispersion of polytetrafluoroethylene and a mixture of polyacrylic acid and water on one side or both sides of a supporting material, and then drying the coated supporting material at about 250.degree. C. for 5 to 10 hours.
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: July 22, 1986
    Assignee: Toshiba Battery Co., Ltd.
    Inventors: Yoshiaki Asami, Shintaro Suzuki, Hirotsugu Fujita, Fumiko Homma
  • Flat cell
    Patent number: 4548880
    Abstract: Disclosed is a flat cell comprising a positive electrode metal plate, a negative electrode metal plate confronted with said positive electrode metal plate, and an adhesive sealing member for sealing the peripheral edge portions of said metal plates, characterized in that said sealing member has a three-layer structure in which ionomer resin pieces are disposed on the opposite sides of a polyethylene piece or an ethylene copolymer piece.
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: October 22, 1985
    Assignee: Toshiba Battery Co., Ltd.
    Inventors: Shintaro Suzuki, Hirotsugu Fujita, Yoshiaki Asami, Fumiko Homma