Patents by Inventor Keiichi Yumiki

Keiichi Yumiki 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).

  • Apparatus for conveying presensitized lithographic printing plates
    Patent number: 5246121
    Abstract: The invention provides an apparatus for conveying a pile of photosensitive printing plates in which a support is covered thereon with photosensitive resin. The apparatus comprises a base plate and a pair of end plates for holding the pile of photosensitive printing plates therebetween. The pair of end plates is vertically mounted on the base plate so that the pile of photosensitive printing plates is vertically held between the pair of end plates on the base plate.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: September 21, 1993
    Assignee: Konica Corporation
    Inventors: Hitoshi Mitake, Kiyoshi Goto, Tamiya Matusoka, Keiichi Yumiki
  • Method of treating an aqueous processing waste solution of a non-silver halide light-sensitive material and a device therefor
    Patent number: 4961859
    Abstract: A method and a device of dividing an aqueous processing waste solution of a non-silver halide light-sensitive material into solid and water are disclosed comprising the steps of:(a) introducing said solution into an evaporator,(b) concentrating by heating said solution,(c) removing sludge produced from the evaporator during concentrating by heating said solution,(d) separating the sludge into solid and liquid and(e) cooling and condensing evaporated gas to liquid.
    Type: Grant
    Filed: January 31, 1989
    Date of Patent: October 9, 1990
    Assignee: Konica Corporation
    Inventors: Masafumi Uehara, Akira Nogami, Kazuhiro Shimura, Keiichi Yumiki, Akio Iwaki