Patents by Inventor Yoshihiro IMAKURA
Yoshihiro IMAKURA 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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Patent number: 11912053Abstract: To provide a coating liquid for release layer with which a release layer having a small variation in the performance difference can be stably formed, to provide a method for producing a thermal transfer sheet using this coating liquid for release layer, and to provide a thermal transfer sheet having stable releasability. A thermal transfer sheet having a substrate, a release layer provided on the substrate, and a transfer layer provided on the release layer, wherein the transfer layer is provided peelably from the release layer, and the release layer contains a silsesquioxane.Type: GrantFiled: September 15, 2021Date of Patent: February 27, 2024Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kazuya Yoshida, Tomohiko Imoda, Yoshihiro Imakura, Yasuyuki Shouji, Daisuke Fukui, Ryoji Hattori, Koichiro Kuroda
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Publication number: 20230219358Abstract: The present disclosure relates to a thermal transfer sheet including a first substrate and a first adhesive layer, in which the first adhesive layer is a layer to be transferred from the thermal transfer sheet by heating, and the first adhesive layer contains a crystalline polyester.Type: ApplicationFiled: May 12, 2021Publication date: July 13, 2023Applicant: Dai Nippon Printing Co., Ltd.Inventors: Tadahiro ISHIDA, Yoshihiro IMAKURA
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Patent number: 11697299Abstract: Provided are a combination of a thermal transfer sheet and an intermediate transfer medium which is capable of accurately transferring only a transfer layer of the intermediate transfer medium desired to be transferred onto a transfer receiving article in the production of a print, and a thermal transfer sheet which is used in combination with an intermediate transfer medium. Also provided are a method for producing a print, comprising accurately transferring only a transfer layer of an intermediate transfer medium desired to be transferred onto a transfer receiving article, and a thermal transfer printer which is used in this method for producing a print. In the thermal transfer sheet which is used in combination with an intermediate transfer medium, inhibit layer 2 is disposed on substrate 1, and the inhibit layer 2 contains a carnauba wax.Type: GrantFiled: January 31, 2019Date of Patent: July 11, 2023Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro Imakura, Koichiro Kuroda
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Publication number: 20220227155Abstract: Provided is a thermal transfer sheet that can be used for producing not a simple print but a print having a novel function. A thermal transfer sheet includes a substrate, a dye layer provided on one surface of the substrate and including a dye, and a dye fading accelerating layer provided on the one surface of the substrate frame-sequentially to the dye layer and including a dye fading accelerating material that accelerates fading of the dye.Type: ApplicationFiled: January 18, 2021Publication date: July 21, 2022Applicant: Dai Nippon Printing Co., Ltd.Inventor: Yoshihiro IMAKURA
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Publication number: 20210402819Abstract: To provide a coating liquid for release layer with which a release layer having a small variation in the performance difference can be stably formed, to provide a method for producing a thermal transfer sheet using this coating liquid for release layer, and to provide a thermal transfer sheet having stable releasability. A thermal transfer sheet having a substrate, a release layer provided on the substrate, and a transfer layer provided on the release layer, wherein the transfer layer is provided peelably from the release layer, and the release layer contains a silsesquioxane.Type: ApplicationFiled: September 15, 2021Publication date: December 30, 2021Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kazuya YOSHIDA, Tomohiko IMODA, Yoshihiro IMAKURA, Yasuyuki SHOUJI, Daisuke FUKUI, Ryoji HATTORI, Koichiro KURODA
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Patent number: 11148450Abstract: To provide a coating liquid for release layer with which a release layer having a small variation in the performance difference can be stably formed, to provide a method for producing a thermal transfer sheet using this coating liquid for release layer, and to provide a thermal transfer sheet having stable releasability. A thermal transfer sheet having a substrate 1, a release layer 2 provided on the substrate 1, and a transfer layer 10 provided on the release layer 2, wherein the transfer layer 10 is provided peelably from the release layer 2, and the release layer 2 contains a silsesquioxane.Type: GrantFiled: January 31, 2019Date of Patent: October 19, 2021Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kazuya Yoshida, Tomohiko Imoda, Yoshihiro Imakura, Yasuyuki Shouji, Daisuke Fukui, Ryoji Hattori, Koichiro Kuroda
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Patent number: 11034178Abstract: There is provided a thermal transfer sheet having satisfactory peelability when a transfer layer is peeled off without being affected by a peeling environment when the transfer layer is peeled off. A thermal transfer sheet 100 includes a substrate 1 and a transfer layer 10 provided on one surface of the substrate 1, in which the peeling force in a stable period is in the range of 4.6 g/cm or more and 23 g/cm or less when the transfer layer 10 is peeled off at a peeling temperature in the range of 30° C. or more and 70° C. or less and at a peeling angle of 90° while the surface of the transfer layer 10 on the side opposite to the substrate 1 is made to serve as a peeling interface.Type: GrantFiled: March 30, 2017Date of Patent: June 15, 2021Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro Imakura, Ryoji Hattori, Yasuyuki Shouji, Kazuya Yoshida, Tomohiko Imoda
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Publication number: 20200369063Abstract: Provided are a combination of a thermal transfer sheet and an intermediate transfer medium which is capable of accurately transferring only a transfer layer of the intermediate transfer medium desired to be transferred onto a transfer receiving article in the production of a print, and a thermal transfer sheet which is used in combination with an intermediate transfer medium. Also provided are a method for producing a print, comprising accurately transferring only a transfer layer of an intermediate transfer medium desired to be transferred onto a transfer receiving article, and a thermal transfer printer which is used in this method for producing a print. In the thermal transfer sheet which is used in combination with an intermediate transfer medium, inhibit layer 2 is disposed on substrate 1, and the inhibit layer 2 contains a carnauba wax.Type: ApplicationFiled: January 31, 2019Publication date: November 26, 2020Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro IMAKURA, Koichiro KURODA
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Publication number: 20200369012Abstract: To provide a coating liquid for release layer with which a release layer having a small variation in the performance difference can be stably formed, to provide a method for producing a thermal transfer sheet using this coating liquid for release layer, and to provide a thermal transfer sheet having stable releasability. A thermal transfer sheet having a substrate 1, a release layer 2 provided on the substrate 1, and a transfer layer 10 provided on the release layer 2, wherein the transfer layer 10 is provided peelably from the release layer 2, and the release layer 2 contains a silsesquioxane.Type: ApplicationFiled: January 31, 2019Publication date: November 26, 2020Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kazuya YOSHIDA, Tomohiko IMODA, Yoshihiro IMAKURA, Yasuyuki SHOUJI, Daisuke FUKUI, Ryoji HATTORI, Koichiro KURODA
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Patent number: 10576711Abstract: An object is to provide a transfer film that can impart sufficient durability such as abrasion resistance and solvent resistance to a transfer object surface and has high transfer property without causing any transfer failures such as tailing and burr. The transfer film according to the present invention comprises a substrate and a protective layer peelably provided on the substrate, wherein the protective layer comprises an active ray-cured resin and a filler; wherein the active ray-cured resin contains polyfunctional urethane (meth)acrylate as a polymerization component; and wherein the filler has a volume average particle size of 40 nm or less.Type: GrantFiled: May 27, 2016Date of Patent: March 3, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kazuya Yoshida, Hiroyuki Hasegawa, Yoshihiro Imakura, Ryoji Hattori
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Patent number: 10549513Abstract: A transfer film of which transfer layer has satisfactory transferability, in which each of layers constituting the transfer layer has satisfactory interlayer adhesiveness, and which can impart very high durability to a print. Specifically, a transfer film in which a transfer layer is provided on a substrate, wherein the transfer layer has a layered structure in which a protective layer, an intermediate layer, and an adhesive layer are layered in this order from the side of the substrate, the protective layer is allowed to contain an active ray-cured resin formed by curing an active ray-curable resin by using an active ray, the intermediate layer is allowed to contain a cured binder resin, which is a cured product of a binder resin and a curing agent, and either one or both of the protective layer and the intermediate layer are allowed to further contain a surfactant.Type: GrantFiled: September 27, 2016Date of Patent: February 4, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro Imakura, Ryoji Hattori
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Patent number: 10538119Abstract: The present invention provides a transfer film that allows a transfer layer to have satisfactory transferability and can provide a print with high durability. The present invention solves the above problem by a transfer film 100 in which an adhesion layer 7, a release layer 2, and a transfer layer 10 are provided in this order on a substrate 1, wherein the transfer layer 10 has a layered structure in which a protective layer 3 and an adhesive layer 5 are layered in this order from the side of the substrate, the protective layer 3 is allowed to contain an active ray-cured resin formed by curing an active ray-curable resin by an active ray, and the adhesion layer 7 is allowed to contain a cured binder resin which is a cured product of a binder resin and a curing agent.Type: GrantFiled: September 27, 2016Date of Patent: January 21, 2020Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro Imakura, Ryoji Hattori, Kazuya Yoshida, Hiroyuki Hasegawa
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Patent number: 10493730Abstract: An object is to provide a transfer film that can impart sufficient durability performance to a transfer object surface and can also have excellent peeling stability without causing any transfer failures such as tailing and burr. A transfer film including at least a substrate, a release layer provided on the substrate, an intermediate layer provided on the release layer, and a protective layer provided on the intermediate layer, in which the intermediate layer includes a wax component and a rubber component, and the protective layer includes an active light curing resin.Type: GrantFiled: March 23, 2016Date of Patent: December 3, 2019Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro Imakura, Ryoji Hattori
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Publication number: 20190143641Abstract: There is provided a thermal transfer sheet having satisfactory peelability when a transfer layer is peeled off without being affected by a peeling environment when the transfer layer is peeled off. A thermal transfer sheet 100 includes a substrate 1 and a transfer layer 10 provided on one surface of the substrate 1, in which the peeling force in a stable period is in the range of 4.6 g/cm or more and 23 g/cm or less when the transfer layer 10 is peeled off at a peeling temperature in the range of 30° C. or more and 70° C. or less and at a peeling angle of 90° while the surface of the transfer layer 10 on the side opposite to the substrate 1 is made to serve as a peeling interface.Type: ApplicationFiled: March 30, 2017Publication date: May 16, 2019Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro IMAKURA, Ryoji HATTORI, Yasuyuki SHOUJI, Kazuya YOSHIDA, Tomohiko IMODA
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Publication number: 20180272779Abstract: The present invention provides a transfer film that allows a transfer layer to have satisfactory transferability and can provide a print with high durability. The present invention solves the above problem by a transfer film 100 in which an adhesion layer 7, a release layer 2, and a transfer layer 10 are provided in this order on a substrate 1, wherein the transfer layer 10 has a layered structure in which a protective layer 3 and an adhesive layer 5 are layered in this order from the side of the substrate, the protective layer 3 is allowed to contain an active ray-cured resin formed by curing an active ray-curable resin by an active ray, and the adhesion layer 7 is allowed to contain a cured binder resin which is a cured product of a binder resin and a curing agent.Type: ApplicationFiled: September 27, 2016Publication date: September 27, 2018Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro IMAKURA, Ryoji HATTORI, Kazuya YOSHIDA, Hiroyuki HASEGAWA
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Publication number: 20180147813Abstract: An object is to provide a transfer film that can impart sufficient durability to a transfer object surface and has high transfer property without causing any transfer failures such as tailing and burr. The transfer film according to the present invention is a transfer film comprising a substrate and a protective layer peelably provided on the substrate, wherein the protective layer comprises an active ray-cured resin; the active ray-cured resin contains a hydroxyl group-containing (meth)acrylate compound as a polymerization component; and the hydroxyl value of the hydroxyl group-containing (meth)acrylate compound is 20 mg KOH/g or more and 120 mg KOH/g or less.Type: ApplicationFiled: May 27, 2016Publication date: May 31, 2018Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kazuya YOSHIDA, Hiroyuki HASEGAWA, Yoshihiro IMAKURA, Ryoji HATTORI
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Publication number: 20180141307Abstract: An object is to provide a transfer film that can impart sufficient durability such as abrasion resistance and solvent resistance to a transfer object surface and has high transfer property without causing any transfer failures such as tailing and burr. The transfer film according to the present invention comprises a substrate and a protective layer peelably provided on the substrate, wherein the protective layer comprises an active ray-cured resin and a filler; wherein the active ray-cured resin contains polyfunctional urethane (meth)acrylate as a polymerization component; and wherein the filler has a volume average particle size of 40 nm or less.Type: ApplicationFiled: May 27, 2016Publication date: May 24, 2018Applicant: Dai Nippon Printing Co., Ltd.Inventors: Kazuya YOSHIDA, Hiroyuki HASEGAWA, Yoshihiro IMAKURA, Ryoji HATTORI
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Publication number: 20180065345Abstract: A transfer film of which transfer layer has satisfactory transferability, in which each of layers constituting the transfer layer has satisfactory interlayer adhesiveness, and which can impart very high durability to a print. Specifically, a transfer film in which a transfer layer is provided on a substrate, wherein the transfer layer has a layered structure in which a protective layer, an intermediate layer, and an adhesive layer are layered in this order from the side of the substrate, the protective layer is allowed to contain an active ray-cured resin formed by curing an active ray-curable resin by using an active ray, the intermediate layer is allowed to contain a cured binder resin, which is a cured product of a binder resin and a curing agent, and either one or both of the protective layer and the intermediate layer are allowed to further contain a surfactant.Type: ApplicationFiled: September 27, 2016Publication date: March 8, 2018Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro IMAKURA, Ryoji HATTORI
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Publication number: 20180037012Abstract: An object is to provide a transfer film that can impart sufficient durability performance to a transfer object surface and can also have excellent peeling stability without causing any transfer failures such as tailing and burr. A transfer film including at least a substrate, a release layer provided on the substrate, an intermediate layer provided on the release layer, and a protective layer provided on the intermediate layer, in which the intermediate layer includes a wax component and a rubber component, and the protective layer includes an active light curing resin.Type: ApplicationFiled: March 23, 2016Publication date: February 8, 2018Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiro IMAKURA, Ryoji HATTORI