Patents by Inventor Takeshi Mituhashi

Takeshi Mituhashi 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).

  • Method and apparatus for treating graphic arts process photosensitive materials
    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