Patents by Inventor Kunio Shigeta

Kunio Shigeta 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: 4614700
    Abstract: In a process for forming an image comprising;(i) forming a latent image on a latent image bearing member comprising an organic photoconductive photosensitive member;(ii) forming a magnetic brush with a two-component developer comprising a toner and a carrier on a developer conveying support arranged as opposed to the latent image bearing member; and(iii) developing the latent image by brushing it with the magnetic brush in a developing region;the improvement wherein an absolute value of a maximum potential (V) of a charge for forming the latent image is from 400 to 700, a minimum value of a gap between the photosensitive member and the developer conveying support is from 0.30 to 0.65 mm, the carrier comprises a core material and a polymer comprising a monomer component represented by the followng formula (I), (II) or (III): ##STR1## wherein R.sup.1 and R.sup.2 each represent a hydrogen atom or a methyl group; each of n and p represents an integer of 1 to 8; each of m and q represents an integer of 1 to 19; X.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: September 30, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yoko Yamamoto, Kunio Shigeta, Jiro Takahashi