Patents by Inventor Fusao Ito

Fusao Ito 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).

  • Base film having dimensional stability and high transparency and photographic light-sensitive material comprising same
    Patent number: 5637445
    Abstract: A base film having dimensional stability and high transparency, which comprises (A) a plastic film having on either one or both sides thereof (B) a thin film layer comprising (1) an oxide of silicon and (2) a fluoride of alkaline earth metal, or comprising (1) an oxide of silicon, (2) a fluoride of alkaline earth metal, and (3) an oxide of magnesium, the thin film layer (B) being formed by a vacuum film forming process. A photographic light-sensitive material comprising the base film having dimensional stability and high transparency, having on either one or both sides thereof (C) a photographic layer.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: June 10, 1997
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Toshinori Machida, Atsushi Hirokawa, Fusao Ito
  • Base film having dimensional stability and high transparency, and photographic light-sensitive material comprising same
    Patent number: 5496690
    Abstract: A base film having dimensional stability and high transparency, which comprises (A) a plastic film having on either one or both sides thereof (B) a thin film layer comprising (1) an oxide of silicon and (2) a fluoride of alkaline earth metal, or comprising (1) an oxide of silicon, (2) a fluoride of alkaline earth metal, and (3) an oxide of magnesium, the thin film layer (B) being formed by a vacuum film forming process. A photographic light-sensitive material comprising the base film having dimensional stability and high transparency, having on either one or both sides thereof (C) a photographic layer.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: March 5, 1996
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Toshinori Machida, Atsushi Hirokawa, Fusao Ito