Patents by Inventor Ichirou Sekine

Ichirou Sekine 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 for recycling a substrate for an organic photosensitive member
    Patent number: 5916724
    Abstract: The object of the present invention is to provide a method for recycling a substrate for an organic photosensitive member, which is excellent in environmental properties, economical properties and safety. In order to achieve the above object, the present invention provides a method for recycling a substrate for an organic photosensitive member with a photosensitive layer that contains a binder resin on an electrically conductive substrate, comprising the steps of; steeping the photosensitive member in a separating liquid to swell the photosensitive layer, and rubbing a surface of the photosensitive member with a brush having a pile length of 5-50 mm, a pile diameter of 2.5-30 denier and a pile density of 100-20000 piles/cm.sup.2.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: June 29, 1999
    Assignee: Minolta Co., Ltd.
    Inventors: Ichirou Sekine, Tetsushi Ikoma, Makoto Ban, Naoki Yoshie