Patents by Inventor Shohsuke Aoai

Shohsuke Aoai 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).

  • Pre-treatment liquid and image forming method
    Patent number: 9206329
    Abstract: A pre-treatment liquid includes a flocculant formed of a water-soluble cationic polymer obtained by copolymerizing an amine monomer and an epihalohydrin monomer; a surface conditioner; a surfactant; a water-soluble organic solvent; and water.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: December 8, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Michihiko Namba, Shohsuke Aoai, Tsutomu Maekawa, Shinya Seno
  • PRE-TREATMENT LIQUID AND IMAGE FORMING METHOD
    Publication number: 20140253631
    Abstract: A pre-treatment liquid includes a flocculant formed of a water-soluble cationic polymer obtained by copolymerizing an amine monomer and an epihalohydrin monomer; a surface conditioner; a surfactant; a water-soluble organic solvent; and water.
    Type: Application
    Filed: November 26, 2013
    Publication date: September 11, 2014
    Applicant: RICOH COMPANY, LTD.
    Inventors: Michihiko Namba, Shohsuke Aoai, Tsutomu Maekawa, Shinya Seno