Patents by Inventor Yoahihiro Mikuriya

Yoahihiro Mikuriya 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 for developing electrostatic latent image
    Patent number: 6656655
    Abstract: The present invention relates to a toner for developing an electrostatic latent image comprising a colorant, a binder resin having a number-average molecular weight of 2000 to 5000 and a ratio of weight-average molecular weight/number-average molecular weight of 5 to 30, a polymer having a weight-average molecular weight of 1000 to 3000 and a ratio of weight-average molecular weight/number-average molecular weight of 2.0 or less, and a release agent.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: December 2, 2003
    Assignee: Minolta Co., Ltd.
    Inventors: Masahiro Anno, Yoahihiro Mikuriya, Masahide Inoue
  • Toner for developing electrostatic latent image
    Publication number: 20020098434
    Abstract: The present invention relates to a toner for developing an electrostatic latent image comprising a colorant, a binder resin having a number-average molecular weight of 2000 to 5000 and a ratio of weight-average molecular weight/number-average molecular weight of 5 to 30, a polymer having a weight-average molecular weight of 1000 to 3000 and a ratio of weight-average molecular weight/number-average molecular weight of 2.0 or less, and a release agent.
    Type: Application
    Filed: November 9, 2001
    Publication date: July 25, 2002
    Inventors: Masahiro Anno, Yoahihiro Mikuriya, Masahide Inoue