Patents by Inventor Shigeko Kimura

Shigeko Kimura 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).

  • Developing apparatus having magnetic lower limit domain between repulsion magnetic fields
    Publication number: 20010019675
    Abstract: When the structure is arranged such that one of the repulsion poles is used as a developer layer thickness regulation pole, screw pitch-shaped density unevenness occurred at the rear end of a solid black image.
    Type: Application
    Filed: January 11, 2001
    Publication date: September 6, 2001
    Inventors: Koji Masuda, Shigeko Kimura, Takao Ogata, Kazuhiro Hasegawa
  • Zeolite fungicide
    Patent number: 4986989
    Abstract: A novel agricultural and horticultural fungicide is disclosed. It contains as an active ingredient at least one crystalline zeolite selected from the group consisting of faujasite group, chabazite group and phillipsite group represented by the formula,aCuO.(1-a)M.sub.2 O.Al.sub.2 O.sub.3.bSiO.sub.2.cH.sub.2 Owherein M represents a sodium and/or potassium atom, and a, b and c fall in the following ranges,0<a.ltoreq.1, 3<b.ltoreq.12, 0.ltoreq.c.ltoreq.20.The fungicide shows a high activity against various diseases of fruits trees, vegetables, etc. and can be safely applied to crops.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: January 22, 1991
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masao Sirosita, Masato Mizutani, Shigeko Kimura, Yukio Oguri, Masaru Kitamura, Youichi Umada, Hiroshi Sato