Patents by Inventor Yoshinori Mayama

Yoshinori Mayama 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).

  • Sealing material for automobile door
    Publication number: 20070135574
    Abstract: The present invention provides a sealant for automobile doors, which is used to bond an inside screen to the inner panel of an automobile door and which is excellent in hot creep resistance and shear adhesive strength at high temperatures, particularly in consideration of the application thereof in summer. The sealant for automobile doors of the present invention comprises partially crosslinked NBR and/or SBR, a plasticizer and a filler.
    Type: Application
    Filed: June 18, 2004
    Publication date: June 14, 2007
    Inventors: Hirotaka Minami, Yoshinori Mayama, Yasuyuki Yoshimoto, Yoshihiro Nakata, Kiyoshi Hasegawa
  • One-part moisture-curing urethane composition
    Patent number: 7148308
    Abstract: The present invention provides an one-part moisture-curable urethane composition which exhibits excellent adhesion particularly to a coated steel plate difficult to bond with no-primer and is useful in the bonding of automobile window glass. The urethane composition of the present invention comprises an isocyanate-terminated urethane prepolymer as the main component, and additional components comprising (A) a compound having solubility parameter value of 6.0 to 9.0 and/or (B) a compound having in the molecule at least one structure represented by the following formula: (wherein n is 0 to 3).
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: December 12, 2006
    Assignee: Sunstar Giken Kabushiki Kaisha
    Inventors: Atsushi Inoue, Yoshinori Mayama, Yoshihiro Nakata
  • One-part moisture-curing urethane composition
    Publication number: 20040238116
    Abstract: The present invention provides an one-part moisture-curable urethane composition which exhibits excellent adhesion particularly to a coated steel plate difficult to bond with no-primer and is useful in the bonding of automobile window glass. The urethane composition of the present invention comprises an isocyanate-terminated urethane prepolymer as the main component, to which (A) a compound having solubility parameter value of 6.0 to 9.
    Type: Application
    Filed: March 17, 2004
    Publication date: December 2, 2004
    Inventors: Atsushi Inoue, Yoshinori Mayama, Yoshihiro Nakata