Patents by Inventor Kijiro Konno

Kijiro Konno 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).

  • Fine particle substance-containing microgel dispersions
    Patent number: 4749506
    Abstract: A microgel dispersion characterized by that an oil-soluble surface active agent is adsorbed or adhered onto a gel consisting of a fine particle substance and a polymer, and said gel is dispersed in a non-aqueous organic solvent.
    Type: Grant
    Filed: September 19, 1985
    Date of Patent: June 7, 1988
    Assignee: Ricoh Co., Ltd.
    Inventors: Ayao Kitahara, Kijiro Konno
  • Fine particle substance-containing non-aqueous dispersions
    Patent number: 4664841
    Abstract: A non-aqueous dispersion in which fine particles having an oil-soluble surface active agent adsorbed or adhered thereon are dispersed in a non-aqueous organic solvent.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: May 12, 1987
    Assignee: Ricoh Co., Ltd.
    Inventors: Ayao Kitahara, Kijiro Konno