Patents by Inventor Chigusa Miyake

Chigusa Miyake 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).

  • Electrophotographic photoreceptor, image forming apparatus and processing cartridge
    Patent number: 6620567
    Abstract: An electrophotographic photoreceptor is disclosed. The photoreceptor has an interlayer between an electroconductive substrate and a photosensitive layer wherein the interlayer contains a particle and has a light absorbance of not more than 0.25 per micrometer of thickness at a wavelength of 1,000 nm. An image forming apparatus and a processing cartridge employing the photoreceptor are also disclosed.
    Type: Grant
    Filed: January 28, 2002
    Date of Patent: September 16, 2003
    Assignee: Konica Corporation
    Inventors: Tomoo Sakimura, Shinichi Hamaguchi, Hirofumi Hayata, Chigusa Miyake
  • Electrophotographic photoreceptor, image forming apparatus and processing cartridge
    Publication number: 20020142239
    Abstract: An electrophotographic photoreceptor is disclosed. The photoreceptor has an interlayer between an electroconductive substrate and a photosensitive layer wherein the interlayer contains a particle and has a light absorbance of not more than 0.25 per micrometer of thickness at a wavelength of 1,000 nm.
    Type: Application
    Filed: January 28, 2002
    Publication date: October 3, 2002
    Inventors: Tomoo Sakimura, Shinichi Hamaguchi, Hirofumi Hayata, Chigusa Miyake