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).
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Publication number: 20250091361Abstract: 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: ApplicationFiled: December 5, 2024Publication date: March 20, 2025Applicant: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro OOTA
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Patent number: 12194759Abstract: 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: GrantFiled: August 2, 2021Date of Patent: January 14, 2025Assignee: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro Oota
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Patent number: 12145389Abstract: 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: GrantFiled: August 24, 2020Date of Patent: November 19, 2024Assignee: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro Oota
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Patent number: 12055875Abstract: 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: GrantFiled: December 14, 2020Date of Patent: August 6, 2024Assignee: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro Oota
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Patent number: 11794504Abstract: 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: GrantFiled: February 25, 2019Date of Patent: October 24, 2023Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kazuki Enokida, Yusaku Akiyama, Mitsuhiro Oota, Shigeta Mori
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Publication number: 20230241901Abstract: 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: ApplicationFiled: August 2, 2021Publication date: August 3, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro OOTA
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Publication number: 20230022367Abstract: 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: ApplicationFiled: January 7, 2021Publication date: January 26, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventors: Junko HIROKAWA, Tadahiro ISHIDA, Mitsuhiro OOTA
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Publication number: 20230004105Abstract: 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: ApplicationFiled: December 14, 2020Publication date: January 5, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro OOTA
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Publication number: 20220281256Abstract: [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: ApplicationFiled: August 24, 2020Publication date: September 8, 2022Applicant: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro OOTA
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Publication number: 20220126619Abstract: 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: ApplicationFiled: February 6, 2020Publication date: April 28, 2022Applicant: Dai Nippon Printing Co., Ltd.Inventors: Emi MATSUBA, Mitsuhiro OOTA, Hiroshi EGUCHI
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Publication number: 20210178797Abstract: 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: ApplicationFiled: February 25, 2019Publication date: June 17, 2021Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kazuki ENOKIDA, Yusaku AKIYAMA, Mitsuhiro OOTA, Shigeta MORI
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Patent number: 10864702Abstract: 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: GrantFiled: December 22, 2016Date of Patent: December 15, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro Oota
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Patent number: 10569588Abstract: 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: GrantFiled: December 22, 2016Date of Patent: February 25, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro Oota
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Publication number: 20190001725Abstract: 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: ApplicationFiled: December 22, 2016Publication date: January 3, 2019Applicant: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro OOTA
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Publication number: 20190001621Abstract: 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: ApplicationFiled: December 22, 2016Publication date: January 3, 2019Applicant: Dai Nippon Printing Co., Ltd.Inventor: Mitsuhiro OOTA
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Patent number: 10000081Abstract: 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: GrantFiled: September 17, 2015Date of Patent: June 19, 2018Assignee: Dai Nippon Printing Co., Ltd.Inventors: Mitsuhiro Oota, Junpei Oomura, Yuki Iwasaki
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Patent number: 9994056Abstract: 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: GrantFiled: September 16, 2015Date of Patent: June 12, 2018Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kenzo Hayashi, Shinya Yoda, Junpei Oomura, Mitsuhiro Oota, Yuki Iwasaki
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Publication number: 20170282621Abstract: 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: ApplicationFiled: September 17, 2015Publication date: October 5, 2017Applicant: Dai Nippon Printing Co., Ltd.Inventors: Mitsuhiro OOTA, Junpei OOMURA, Yuki IWASAKI
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Publication number: 20170259601Abstract: 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: ApplicationFiled: September 16, 2015Publication date: September 14, 2017Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kenzo HAYASHI, Shinya YODA, Junpei OOMURA, Mitsuhiro OOTA, Yuki IWASAKI
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Patent number: 9597911Abstract: 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: GrantFiled: December 30, 2014Date of Patent: March 21, 2017Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Shinya Yoda, Tadahiro Ishida, Mitsuhiro Oota