Patents by Inventor Marina Imai

Marina Imai 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).

  • Patent number: 9371465
    Abstract: A silver ink composition Which includes a silver carboxylate having a group represented by a formula iCOOAg, an aliphatic primary amine or secondary amine having 2 to 10 carbon atoms, an acetylene alcohol represented by a general formula (2) shown below, and a hydrocarbon having 6 to 20 carbon atoms, and has a viscosity at 27° C. of 40 mPa-s or less, in the formula, each of R? and R? independently represents an alkyl group having 1 to 20 carbon atoms or a phenyl group in which one or more hydrogen atoms may be substituted with a substituent.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: June 21, 2016
    Assignee: Toppan Forms Co., Ltd.
    Inventors: Kumi Hirose, Marina Imai
  • Publication number: 20150008376
    Abstract: A silver ink composition which includes a silver carboxylate having a group represented by a formula —COOAg, an aliphatic primary amine or secondary amine having 2 to 10 carbon atoms, an acetylene alcohol represented by a general formula (2) shown below, and a hydrocarbon having 6 to 20 carbon atoms, and has a viscosity at 27° C. of 40 mPa·s or less, (In the formula, each of R? and R? independently represents an alkyl group having 1 to 20 carbon atoms or a phenyl group in which one or more hydrogen atoms may be substituted with a substituent.
    Type: Application
    Filed: January 25, 2013
    Publication date: January 8, 2015
    Applicant: Toppan Forms Co., LTD
    Inventors: Kumi Hirose, Marina Imai