Patents by Inventor Nobuo Ohsawa

Nobuo Ohsawa 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).

  • Manicure composition for nail
    Patent number: 6703003
    Abstract: A manicure composition for nail, which contains: a cyanoacrylate composition; and a natural oil extracted from a plant, the proportion of the natural oil being from 0.01 to 10 parts by weight per 100 parts by weight of the cyanoacrylate composition.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: March 9, 2004
    Assignees: Three Bond Co., Ltd., Three Bond International Inc.
    Inventors: Kazutaka Kishita, Nobuo Ohsawa
  • Cyanoacrylate adhesive composition
    Patent number: 5994464
    Abstract: According to the present invention there is provided a cyanoacrylate adhesive composition having high shear bond strength, peeling bond strength and impact bond strength and superior particularly in hot-cold cycle resistance and heat resistance. The cyanoacrylate adhesive composition contains (a) a cyanoacrylate monomer, (b) an elastomer miscible or compatible with the cyanoacrylate monomer, and (c) a core-shell polymer having a core of a rubbery polymer and a shell of a glassy polymer, the core-shell polymer being compatible but not miscible with the cyanoacrylate monomer.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: November 30, 1999
    Assignee: Three Bond., Ltd.
    Inventors: Nobuo Ohsawa, Hiroyuki Mikuni, Tatsuo Fujii, Hiroshi Takeuchi