Patents by Inventor Mitsuhiro Oota

Mitsuhiro Oota 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).

  • Publication number: 20250091361
    Abstract: Micro characters are expressed by a thermal fusion transfer technique. In a printed matter manufacturing method, a printed matter is manufactured by heating a thermal transfer sheet in accordance with image data, the thermal transfer sheet including a base member, a release layer disposed on the base member and containing a wavelength conversion material that emits visible light with excitation by invisible light, and a thermally fusible ink layer disposed on the release layer, and by transferring the thermally fusible ink layer to a transfer-receiving body. In this method, the image data includes a first pattern and a second pattern. The second pattern is disposed on the first pattern and has a maximum width of a predetermined value or less.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 20, 2025
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro OOTA
  • Patent number: 12194759
    Abstract: Micro characters are expressed by a thermal fusion transfer technique. In a printed matter manufacturing method, a printed matter is manufactured by heating a thermal transfer sheet in accordance with image data, the thermal transfer sheet including a base member, a release layer disposed on the base member and containing a wavelength conversion material that emits visible light with excitation by invisible light, and a thermally fusible ink layer disposed on the release layer, and by transferring the thermally fusible ink layer to a transfer-receiving body. In this method, the image data includes a first pattern and a second pattern. The second pattern is disposed on the first pattern and has a maximum width of a predetermined value or less.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: January 14, 2025
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro Oota
  • Patent number: 12145389
    Abstract: A thermal transfer sheet according to the present disclosure includes a substrate and a transfer layer disposed on the substrate. The transfer layer includes at least a peeling layer containing an allyl resin. This provides a thermal transfer sheet with high transferability and thin line printability.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: November 19, 2024
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro Oota
  • Patent number: 12055875
    Abstract: An intermediate transfer medium according to the present disclosure includes a substrate and a transfer layer including at least a receiving layer, in which a logarithmic damping ratio ?E determined by subjecting the receiving layer to rigid-body pendulum measurement at 70° C. is 0.10 or more.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: August 6, 2024
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro Oota
  • Patent number: 11794504
    Abstract: To provide a protective layer transfer sheet that can produce a print having excellent abrasion resistance and an excellent glossiness. A protective layer transfer sheet 100 including a transfer layer 10 provided on one surface of a substrate 1, wherein the transfer layer 10 has a single-layer structure composed only of a protective layer 5 or a layered structure in which the protective layer 10 is located nearest to a side of the substrate 1, and the protective layer 5 contains a styrene resin and a particulate organofluorine compound.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: October 24, 2023
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kazuki Enokida, Yusaku Akiyama, Mitsuhiro Oota, Shigeta Mori
  • Publication number: 20230241901
    Abstract: Micro characters are expressed by a thermal fusion transfer technique. In a printed matter manufacturing method, a printed matter is manufactured by heating a thermal transfer sheet in accordance with image data, the thermal transfer sheet including a base member, a release layer disposed on the base member and containing a wavelength conversion material that emits visible light with excitation by invisible light, and a thermally fusible ink layer disposed on the release layer, and by transferring the thermally fusible ink layer to a transfer-receiving body. In this method, the image data includes a first pattern and a second pattern. The second pattern is disposed on the first pattern and has a maximum width of a predetermined value or less.
    Type: Application
    Filed: August 2, 2021
    Publication date: August 3, 2023
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro OOTA
  • Publication number: 20230022367
    Abstract: The peel-off sheet according to the present disclosure includes a first substrate and a peel-off layer, wherein the peel-off layer contains a vinyl chloride-vinyl acetate copolymer and a crystalline polyester, or the peel-off sheet includes a structural component containing particles, wherein the particle size distribution of the particles contained in the structural component which is determined with a laser diffraction scattering particle size distribution analyzer has a maximum peak at a position of more than 0.2 ?m and 5 ?m or less.
    Type: Application
    Filed: January 7, 2021
    Publication date: January 26, 2023
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Junko HIROKAWA, Tadahiro ISHIDA, Mitsuhiro OOTA
  • Publication number: 20230004105
    Abstract: An intermediate transfer medium according to the present disclosure includes a substrate and a transfer layer including at least a receiving layer, in which a logarithmic damping ratio ?E determined by subjecting the receiving layer to rigid-body pendulum measurement at 70° C. is 0.10 or more.
    Type: Application
    Filed: December 14, 2020
    Publication date: January 5, 2023
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro OOTA
  • Publication number: 20220281256
    Abstract: [Object] To provide a thermal transfer sheet with high transferability and thin-line printability. [Solution] A thermal transfer sheet according to the present disclosure includes a substrate and a transfer layer disposed on the substrate. The transfer layer includes at least a peeling layer containing an allyl resin.
    Type: Application
    Filed: August 24, 2020
    Publication date: September 8, 2022
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro OOTA
  • Publication number: 20220126619
    Abstract: Provided is a thermal transfer sheet with low hot and cold peeling strengths. Thermal transfer sheet according to the present disclosure includes a substrate and a transfer layer, wherein the transfer layer includes at least a peeling layer, and the peeling layer contains a vinyl resin and at least one of an alcohol alkoxylate and an alcohol having 18 to 80 carbon atoms.
    Type: Application
    Filed: February 6, 2020
    Publication date: April 28, 2022
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Emi MATSUBA, Mitsuhiro OOTA, Hiroshi EGUCHI
  • Publication number: 20210178797
    Abstract: To provide a protective layer transfer sheet that can produce a print having excellent abrasion resistance and an excellent glossiness. A protective layer transfer sheet 100 including a transfer layer 10 provided on one surface of a substrate 1, wherein the transfer layer 10 has a single-layer structure composed only of a protective layer 5 or a layered structure in which the protective layer 10 is located nearest to a side of the substrate 1, and the protective layer 5 contains a styrene resin and a particulate organofluorine compound.
    Type: Application
    Filed: February 25, 2019
    Publication date: June 17, 2021
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Kazuki ENOKIDA, Yusaku AKIYAMA, Mitsuhiro OOTA, Shigeta MORI
  • Patent number: 10864702
    Abstract: Provided is a thermal transfer sheet that can suppress thermal fusion of the thermal transfer sheet and a transfer-receiving article and can improve the durability of a printed article obtained by transferring a transfer layer onto the transfer-receiving article, even if energy applied to the thermal transfer sheet was increased upon transferring the transfer layer onto the transfer-receiving article. This thermal transfer sheet 100 comprises a thermal transfer layer 10 on one surface of a substrate 1. The transfer layer 10 comprises one or more layers, and among the layers constituting the transfer layer 10, the layer closest to the substrate 1 contains a copolymer of isobutyl (meth)acrylate and a monomer having a carboxyl group, and the acid value of the copolymer is not less than 40 mg KOH/g.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: December 15, 2020
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro Oota
  • Patent number: 10569588
    Abstract: A thermal transfer sheet, which includes a transfer layer, is superposed on a transfer receiving article, and while the transfer layer is continuously transferred onto the article by a printer comprising a sheet supplying device, heating device, sheet winding device, measuring device located between the heating and sheet winding devices to measure the tensile strength of the thermal transfer sheet conveyed along a conveyance path, and release device located between the heating and the measuring devices, under conditions including an applied power for printing: 0.15 W/dot and a conveying speed for the thermal transfer sheet: 84.6 mm/sec., the transfer layer transferred on the article is released from a constituent member in contact with the transfer layer of the thermal transfer sheet, has a tensile strength measured by the measuring device of 0.1 N/cm or less.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: February 25, 2020
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro Oota
  • Publication number: 20190001725
    Abstract: A thermal transfer sheet, which includes a transfer layer, is superposed on a transfer receiving article, and while the transfer layer is continuously transferred onto the article by a printer comprising a sheet supplying device, heating device, sheet winding device, measuring device located between the heating and sheet winding devices to measure the tensile strength of the thermal transfer sheet conveyed along a conveyance path, and release device located between the heating and the measuring devices, under conditions including an applied power for printing: 0.15 W/dot and a conveying speed for the thermal transfer sheet: 84.6 mm/sec., the transfer layer transferred on the article is released from a constituent member in contact with the transfer layer of the thermal transfer sheet, has a tensile strength measured by the measuring device of 0.1 N/cm or less.
    Type: Application
    Filed: December 22, 2016
    Publication date: January 3, 2019
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro OOTA
  • Publication number: 20190001621
    Abstract: Provided is a thermal transfer sheet that can suppress thermal fusion of the thermal transfer sheet and a transfer-receiving article and can improve the durability of a printed article obtained by transferring a transfer layer onto the transfer-receiving article, even if energy applied to the thermal transfer sheet was increased upon transferring the transfer layer onto the transfer-receiving article. This thermal transfer sheet 100 comprises a thermal transfer layer 10 on one surface of a substrate 1. The transfer layer 10 comprises one or more layers, and among the layers constituting the transfer layer 10, the layer closest to the substrate 1 contains a copolymer of isobutyl (meth)acrylate and a monomer having a carboxyl group, and the acid value of the copolymer is not less than 40 mg KOH/g.
    Type: Application
    Filed: December 22, 2016
    Publication date: January 3, 2019
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventor: Mitsuhiro OOTA
  • Patent number: 10000081
    Abstract: There is provided a transfer sheet with improvement in smudges and blurs of a transfer layer when printed matters are produced even after storing the transfer sheet under high temperatures. The transfer sheet according to the present invention comprises a substrate, and in the order a peel layer and a transfer layer on the substrate, wherein the peel layer contains a binder resin, a silicone oil and/or a wax component and the total contents of the silicone oil and the wax component in the peel layer is 0.1 mass % or more and 15 mass % or less, based on the solid content of mass of the binder resin.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: June 19, 2018
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Mitsuhiro Oota, Junpei Oomura, Yuki Iwasaki
  • Patent number: 9994056
    Abstract: There is provided a transfer sheet with improvement in smudges and blurs of a transfer sheet when printed matters are produced. A transfer sheet according to the present invention comprises a substrate, and in the order a peel layer and a transfer layer on the substrate, wherein the peel layer contains a binder resin containing an acrylic-based resin of more than 0 mass % and 49 mass % or less and a vinyl chloride-vinyl acetate resin of 51 mass % or more and less than 100 mass %.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: June 12, 2018
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kenzo Hayashi, Shinya Yoda, Junpei Oomura, Mitsuhiro Oota, Yuki Iwasaki
  • Publication number: 20170282621
    Abstract: There is provided a transfer sheet with improvement in smudges and blurs of a transfer layer when printed matters are produced even after storing the transfer sheet under high temperatures. The transfer sheet according to the present invention comprises a substrate, and in the order a peel layer and a transfer layer on the substrate, wherein the peel layer contains a binder resin, a silicone oil and/or a wax component and the total contents of the silicone oil and the wax component in the peel layer is 0.1 mass % or more and 15 mass % or less, based on the solid content of mass of the binder resin.
    Type: Application
    Filed: September 17, 2015
    Publication date: October 5, 2017
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Mitsuhiro OOTA, Junpei OOMURA, Yuki IWASAKI
  • Publication number: 20170259601
    Abstract: There is provided a transfer sheet with improvement in smudges and blurs of a transfer sheet when printed matters are produced. A transfer sheet according to the present invention comprises a substrate, and in the order a peel layer and a transfer layer on the substrate, wherein the peel layer contains a binder resin containing an acrylic-based resin of more than 0 mass and 49 mass % or less and a vinyl chloride-vinyl acetate resin of 51 mass % or more and less than 100 mass %.
    Type: Application
    Filed: September 16, 2015
    Publication date: September 14, 2017
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Kenzo HAYASHI, Shinya YODA, Junpei OOMURA, Mitsuhiro OOTA, Yuki IWASAKI
  • Patent number: 9597911
    Abstract: In an intermediate transfer medium, a substrate, protective layers having a layered structure of two or more layers, and a receiving layer are layered in this order. One layer in the protective layers having the layered structure contains, as a main component, one material or a mixture of two or more materials selected from the group consisting of polyesters having a high polymerization degree, a number-average molecular weight (Mn) of not less than 12,000 and a Tg of not less than 60° C., polycarbonates and polyester urethanes. Another layer in the protective layers having the layered structure contains one or more materials selected from the group consisting of polyvinyl alcohols, polyvinyl butyrals, polyvinyl acetals and polyvinyl pyrrolidones or includes a cationic resin, and the receiving layer contains a side chain-type aralkyl-modified silicone in an amount of 0.5-5% by weight on a base of the total weight of the receiving layer.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: March 21, 2017
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shinya Yoda, Tadahiro Ishida, Mitsuhiro Oota