Patents by Inventor Kuboshima Daisuke

Kuboshima Daisuke 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).

  • Positive charging single-layer electrophotographic photoconductor, image-forming apparatus and method for forming an image
    Patent number: 8597862
    Abstract: A positive charging single-layer electrophotographic photoconductor configured to serve as an image-bearing member for use in an image-forming apparatus includes a photosensitive layer on a conductive base, including a charge-generating material, a hole-transport material, an electron-transport material, and a binder resin, in which the photosensitive layer has a polysiloxane oil, with the amount of the polysiloxane oil being in the range of about 0.005% by mass to about 0.021% by mass with respect to the total mass of materials.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: December 3, 2013
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Kuboshima Daisuke, Shishido Makoto, Yamamoto Yohei, Shimizu Tomofumi, Miyamoto Eiichi
  • POSITIVE CHARGING SINGLE-LAYER ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE-FORMING APPARATUS AND METHOD FOR FORMING AN IMAGE
    Publication number: 20110300476
    Abstract: A positive charging single-layer electrophotographic photoconductor configured to serve as an image-bearing member for use in an image-forming apparatus includes a photosensitive layer on a conductive base, including a charge-generating material, a hole-transport material, an electron-transport material, and a binder resin, in which the photosensitive layer has a polysiloxane oil, with the amount of the polysiloxane oil being in the range of about 0.005% by mass to about 0.021% by mass with respect to the total mass of materials.
    Type: Application
    Filed: June 2, 2011
    Publication date: December 8, 2011
    Applicant: KYOCERA MITA CORPORATION
    Inventors: Kuboshima Daisuke, Shishido Makoto, Yamamoto Yohei, Shimizu Tomofumi, Miyamoto Eiichi
  • Electrophotographic Photoconductor and Image-Forming Apparatus
    Publication number: 20110300475
    Abstract: An electrophotographic photoconductor includes a photosensitive layer on a conductive base, in which 1) the photosensitive layer includes a charge-generating layer including a charge-generating material, and a charge-transport layer including a charge-transport material and a binder resin, the charge-generating layer and the charge-transport layer being stacked, in that order, on the conductive base, and the charge-transport layer having a yield strain of about 5%-25%, or 2) the photosensitive layer includes a charge-generating material, a charge-transport material, and a binder resin in the same layer and has a yield strain of about 5%-25%, corresponding to the yield strain measured using a 10 mm×30 mm rectangular, sample having a thickness of 30 ?m with both 10-mm sides held at an initial load of 1 N, a strain rate of 0.5 %/min, and a temperature of 30°C., in which the electrophotographic photoconductor is used as an image-bearing member.
    Type: Application
    Filed: June 3, 2011
    Publication date: December 8, 2011
    Applicant: KYOCERA MITA CORPORATION
    Inventors: Kuboshima Daisuke, Shishido Makoto, Yamamoto Yohei, Shimizu Tomofumi, Miyamoto Eiichi