Patents by Inventor Tomoko MITSUISHI

Tomoko MITSUISHI 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).

  • Ink
    Patent number: 8835532
    Abstract: An ink is provided that does not easily cause an offset or blocking upon winding a print, even when the ink contains a lactic acid ester or a lactone solvent. In order to solve such a problem, the ink of the present invention includes: a colorant; and a ketone compound of the following general formula (1), R1—CO—R2??(1), wherein R1 and R2 each independently represent an alkyl group of 1 to 10 carbon atoms, where the total number of carbon atoms in R1 and R2 is 5 to 11, and R1 and R2 may form a ring when the sum of the carbon atoms in R1 and R2 is 6 or more.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: September 16, 2014
    Assignee: Mimaki Engineering Co., Ltd.
    Inventors: Tomoko Mitsuishi, Takashi Namiki, Ryuji Yamada, Isao Tabayashi
  • INK
    Publication number: 20120270984
    Abstract: An ink is provided that does not easily cause an offset or blocking upon winding a print, even when the ink contains a lactic acid ester or a lactone solvent. In order to solve such a problem, the ink of the present invention includes: a color; and a ketone compound of the following general formula (1), R1—CO—R2??(1), wherein R1 and R2 each independently represent an alkyl group of 1 to 10 carbon atoms, where the total number of carbon atoms in R1 and R2 is 5 to 11, and R1 and R2 may form a ring when the sum of the carbon atoms in R1 and R2 is 6 or more.
    Type: Application
    Filed: December 2, 2010
    Publication date: October 25, 2012
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Tomoko Mitsuishi, Takashi Namiki, Ryuji Yamada, Isao Tabayashi
  • INK CLEANING LIQUID
    Publication number: 20110224117
    Abstract: An ink cleaning liquid includes ethylene glycol monobutyl ether acetate and a surfactant.
    Type: Application
    Filed: March 29, 2011
    Publication date: September 15, 2011
    Applicant: MIMAKI ENGINEERING Co., Ltd.
    Inventors: Tomoko MITSUISHI, Ryuji YAMADA