Patents Assigned to Murakami Co., Ltd.
  • Patent number: 10221325
    Abstract: An ink composition according to the present invention contains an adhesiveness providing component including an acrylate monomer for providing an adhesiveness with respect to a print medium, and a rigidity providing component including at least one substance selected from the group consisting of a multi-functional acrylate monomer and a multi-functional acrylate oligomer.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: March 5, 2019
    Assignees: MIMAKI ENGINEERING CO., LTD., MURAKAMI CO., LTD.
    Inventors: Masakatsu Okawa, Syuji Iwata, Tsuguo Yamaoka
  • Publication number: 20180148590
    Abstract: An ink composition according to the present invention contains an adhesiveness providing component including an acrylate monomer for providing an adhesiveness with respect to a print medium, and a rigidity providing component including at least one substance selected from the group consisting of a multi-functional acrylate monomer and a multi-functional acrylate oligomer.
    Type: Application
    Filed: July 8, 2016
    Publication date: May 31, 2018
    Applicants: MIMAKI ENGINEERING CO., LTD., MURAKAMI CO., LTD.
    Inventors: Masakatsu OKAWA, Syuji IWATA, Tsuguo YAMAOKA
  • Patent number: 7767381
    Abstract: This invention relates to a photosensitive composition characterized by comprising components A, B and C, and a photosensitive film and a stencil for screen printing using the photosensitive composition; Component A: a poly(vinyl alcohol) polymer represented by formula (1) or (2) wherein R1 represents a hydrogen atom, an alkyl or aralkyl group having 1 to 10 carbon atoms, wherein the alkyl and aralkyl groups may be substituted by a hydroxyl or carbamoyl group and the bond between carbon atoms thereof may be present through an oxygen atom or an unsaturated bond; R2 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; m is an integer of 1 to 6; n is 0 or 1; and X? represents a halogen ion, a phosphate ion, a methosulfate ion, or a sulfonate ion, or a mixture of the anions; component B: a radical polymerizable monomer containing at least one ethylenically unsaturated bond and possesses an anion dissociating capability; and component C: a radical photoinitiator.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: August 3, 2010
    Assignee: Murakami Co., Ltd.
    Inventors: Kunihiro Ichimura, Junichi Kawanobe, Chieko Hotta, Eri Nagabuchi
  • Publication number: 20090099275
    Abstract: This invention relates to a photosensitive composition characterized by comprising components A, B and C, and a photosensitive film and a stencil for screen printing using the photosensitive composition; Component A: a poly(vinyl alcohol) polymer represented by formula (1) or (2) wherein R1 represents a hydrogen atom, an alkyl or aralkyl group having 1 to 10 carbon atoms, wherein the alkyl and aralkyl groups may be substituted by a hydroxyl or carbamoyl group and the bond between carbon atoms thereof may be present through an oxygen atom or an unsaturated bond; R2 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; m is an integer of 1 to 6; n is 0 or 1; and X? represents a halogen ion, a phosphate ion, a methosulfate ion, or a sulfonate ion, or a mixture of the anions; component B: a radical polymerizable monomer containing at least one ethylenically unsaturated bond and possesses an anion dissociating capability; and component C: a radical photoinitiator.
    Type: Application
    Filed: May 17, 2006
    Publication date: April 16, 2009
    Applicant: MURAKAMI CO., LTD.
    Inventors: Kunihiro Ichimura, Junichi Kawanobe, Chieko Hotta, Eri Nagabuchi