Patents by Inventor Ito Maki

Ito Maki 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).

  • Nonaqueous ink composition for ink jet recording and ink jet recording method using nonaqueous ink composition
    Patent number: 9206327
    Abstract: A nonaqueous ink composition for ink jet recording contains a glitter pigment and a solvent represented by the following formula: wherein R1 represents an alkyl group containing one to eight carbon atoms and R2 and R3 represent a methyl group or an ethyl group.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: December 8, 2015
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Ito Maki, Akihito Sao, Kazumasa Tomura, Kenichiro Kubota
  • Ink jet recording-targeted non-aqueous ink composition, ink set, and ink jet recording method
    Patent number: 8840233
    Abstract: An ink jet recording-targeted non-aqueous ink composition contains pigment, polyvinyl chloride, and a solvent represented by the formula 1, wherein R1 represents an alkyl group having one to eight carbon atoms, and R2 and R3 each represent any one of a methyl group and an ethyl group.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: September 23, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Akihito Sao, Kenichiro Kubota, Ito Maki
  • NONAQUEOUS INK COMPOSITION FOR INK JET RECORDING AND INK JET RECORDING METHOD USING NONAQUEOUS INK COMPOSITION
    Publication number: 20120249666
    Abstract: A nonaqueous ink composition for ink jet recording contains a glitter pigment and a solvent represented by the following formula: wherein R1 represents an alkyl group containing one to eight carbon atoms and R2 and R3 represent a methyl group or an ethyl group.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Ito Maki, Akihito Sao, Kazumasa Tomura, Kenichiro Kubota
  • INK JET RECORDING-TARGETED NON-AQUEOUS INK COMPOSITION, INK SET, AND INK JET RECORDING METHOD
    Publication number: 20120056929
    Abstract: An ink jet recording-targeted non-aqueous ink composition contains pigment, polyvinyl chloride, and a solvent represented by the formula 1, wherein R1 represents an alkyl group having one to eight carbon atoms, and R2 and R3 each represent any one of a methyl group and an ethyl group.
    Type: Application
    Filed: August 19, 2011
    Publication date: March 8, 2012
    Inventors: Akihito Sao, Kenichiro Kubota, Ito Maki