Patents by Inventor Takeo Taniguchi

Takeo Taniguchi 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).

  • Toner supply roller
    Patent number: 7152322
    Abstract: A toner supply roller comprises a metallic core shaft and an electrically conductive elastic layer formed to surround the outer surface of the shaft. The conductive elastic layer is formed of open-cell polyurethane foam. The polyurethane foam is impregnated with an electrically conductive polymer and a binder.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: December 26, 2006
    Assignees: Nitto Kogyo Co., Ltd., Kurabo Industries Ltd.
    Inventors: Masayuki Nakashima, Toru Nishino, Takeo Taniguchi, Ikuo Nishiyama
  • Toner supply roller
    Publication number: 20040244198
    Abstract: A toner supply roller comprises a metallic core shaft and an electrically conductive elastic layer formed to surround the outer surface of the shaft. The conductive elastic layer is formed of open-cell polyurethane foam. The polyurethane foam is impregnated with an electrically conductive polymer and a binder.
    Type: Application
    Filed: July 8, 2004
    Publication date: December 9, 2004
    Applicants: Nitto Kogyo Co., Ltd., Kurabo Industries Ltd.
    Inventors: Masayuki Nakashima, Toru Nishino, Takeo Taniguchi, Ikuo Nishiyama
  • Toner supply roller
    Patent number: 6776745
    Abstract: A toner supply roller comprises a metallic core shaft and an electrically conductive elastic layer formed to surround the outer surface of the shaft. The conductive elastic layer is formed of open-cell polyurethane foam. The polyurethane foam is impregnated with an electrically conductive polymer and a binder.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: August 17, 2004
    Assignees: Nitto Kogyo Co., Ltd., Kurabo Industries Ltd.
    Inventors: Masayuki Nakashima, Toru Nishino, Takeo Taniguchi, Ikuo Nishiyama
  • Toner supply roller
    Publication number: 20030153444
    Abstract: A toner supply roller comprises a metallic core shaft and an electrically conductive elastic layer formed to surround the outer surface of the shaft. The conductive elastic layer is formed of open-cell polyurethane foam. The polyurethane foam is impregnated with an electrically conductive polymer and a binder.
    Type: Application
    Filed: January 23, 2003
    Publication date: August 14, 2003
    Applicant: Nitto Kogyo Co., Ltd.
    Inventors: Masayuki Nakashima, Toru Nishino, Takeo Taniguchi, Ikuo Nishiyama