Patents by Inventor Junju Machida

Junju Machida 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).

  • Mono-component toner for developing an electrostatic latent image and developing method
    Patent number: 5665512
    Abstract: A mono-component toner comprises binder resin; a colorant; first charge controlling agent that has an amount of solubility between 10% and 50% by weight with respect to toluene; and a second charge control agent that includes nitrogen atom.
    Type: Grant
    Filed: November 1, 1995
    Date of Patent: September 9, 1997
    Assignee: Minolta Co., Ltd.
    Inventors: Chikara Tsutsui, Hiroyuki Fukuda, Junju Machida