Patents by Inventor Toshiko Ogawa

Toshiko Ogawa 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).

  • Patent number: 6936089
    Abstract: A molten aluminum alloy processing method is intended use sludge produced by the zinc phosphate treatment of structures including those of aluminum alloys effectively as a flux for molten aluminum alloy processing. The flux contains 3 to 30% by mass fluorine-equivalent metal fluorides, 40 to 90% by mass metal phosphates (8 to 18% by mass P) and 50% by mass or below inorganic salts. The sum of contents of the inorganic salts and metal phosphates is 90% by mass or below.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: August 30, 2005
    Assignee: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Hideo Fujimoto, Kazuharu Masada, Toshiko Ogawa, Tadashi Mantani, Tadao Meguro
  • Publication number: 20040065172
    Abstract: A molten aluminum alloy processing method is intended use sludge produced by the zinc phosphate treatment of sructures including those of aluminum alloys effectively as a flux for molten aluminum alloy processing. The flux contains 3 to 30% by mass fluorine-equivalent metal fluorides, 40 to 90% by mass metal phosphates (8 to 18% by mass P) and 50% by mass or below inorganic salts. The sum of contents of the inorganic salts and metal phosphates is 90% by mass or below.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 8, 2004
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd)
    Inventors: Hideo Fujimoto, Kazuharu Masada, Toshiko Ogawa, Tadashi Mantani, Tadao Meguro
  • Patent number: 4312585
    Abstract: A method and apparatus for uniformly developing a graphic arts process photosensitive film by producing a uniform laminar flow of treating liquid over the surface of the film as it passes through a treatment bath. The film is conveyed vertically on a rack through the bath with a U-turn near the bottom. Treatment fluid is flowed horizontally below the U-turn. Discharge and withdrawal pipes in the treatment bath container and apertures in the rack positioned at disclosed preferred locations provide the desired flow pattern.
    Type: Grant
    Filed: October 10, 1979
    Date of Patent: January 26, 1982
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takatoshi Otsu, Yasunobu Tanaka, Osamu Fukushima, Takeshi Mituhashi, Tadatune Mizuno, Toshiko Ogawa, Kazuo Ichikawa