Patents by Inventor Shino Takao
Shino Takao 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: 6420310Abstract: The present invention provides a thermal transfer image receiving sheet comprising a substrate sheet and a dye receptor layer disposed on at least one surface of the substrate sheet, wherein the dye receptor layer comprises polycarbonate resin of a random copolymer having a main chain which comprises, as essential units, an unit 1 represented by the following formula 1 and an unit 2 represented by the following formula 2, or a polycarbonate resin of a homopolymer which comprises the unit 2, an amount ratio of the unit 1 being not more than 70 mol %, the polycarbonate resin having a Tg of not less than 125° C.Type: GrantFiled: April 30, 2001Date of Patent: July 16, 2002Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hitoshi Saito, Shino Takao, Hirofumi Tomita
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Publication number: 20020045547Abstract: The present invention provides a thermal transfer image receiving sheet comprising a substrate sheet and a dye receptor layer disposed on at least one surface of the substrate sheet, wherein the dye receptor layer comprises polycarbonate resin of a random copolymer having a main chain which comprises, as essential units, an unit 1 represented by the following formula 1 and an unit 2 represented by the following formula 2, or a polycarbonate resin of a homopolymer which comprises the unit 2, an amount ratio of the unit 1 being not more than 70 mol %, the polycarbonate resin having a Tg of not less than 125° C.Type: ApplicationFiled: April 30, 2001Publication date: April 18, 2002Inventors: Hitoshi Saito, Shino Takao, Hirofumi Tomita
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Patent number: 6352957Abstract: A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a composition composed mainly of at least one thermoplastic resin having at least one reactive functional group and an isocyanate compound or a chelate compound. A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a release agent which is the same as that contained in the dye-receptive layer or does not migrate to other places, for example, comprises an amino-modified silicone and an epoxy-modified silicone or a product of a reaction of both of them, or an addition-polymerizable silicone or a cured product obtained by a reaction thereof.Type: GrantFiled: March 18, 1999Date of Patent: March 5, 2002Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shino Takao, Shinji Kometani, Hitoshi Saito
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Patent number: 6346316Abstract: There is provided a protective layer transfer sheet comprising: a substrate sheet; and a thermally transferable protective layer provided on at least a part of one side of the substrate sheet, the protective layer comprising an alicyclic polyester resin prepared using an alicyclic compound as at least one of a diol component and an acid component. There is further provided a protective layer transfer sheet comprising: a substrate sheet; and a thermally transferable protective layer provided on at least a part of one side of the substrate sheet, the protective layer comprising a thermoplastic resin and an ultraviolet absorber, the ultraviolet absorber being a benzotriazole ultraviolet absorber represented by formula (2), the content of the ultraviolet absorber in the protective layer being 10 to 40% by weight: wherein X and Y each independently represent an optionally branched alkyl or aralkyl group having 4 to 10 carbon atoms and Z represents a hydrogen or chlorine atom.Type: GrantFiled: August 25, 1999Date of Patent: February 12, 2002Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hitoshi Saito, Shino Takao, Yuji Matsufuji
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Patent number: 6316385Abstract: A thermal transfer dye image-receiving sheet is provided which can form high-quality color images by a thermal transfer method. The thermal transfer dye image-receiving sheet comprises: a substrate sheet; and a dye-receptive layer provided on at least one side of the substrate sheet, the dye-receptive layer containing at least a caprolactone-modified cellulose, the cellulose comprising at least a cellulose acetate component.Type: GrantFiled: October 13, 2000Date of Patent: November 13, 2001Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hideki Usuki, Hitoshi Saito, Takeshi Takada, Shino Takao
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Patent number: 6300278Abstract: The present invention provides a thermal transfer image receiving sheet comprising a substrate sheet and a dye receptor layer disposed on at least one surface of the substrate sheet, wherein the dye receptor layer comprises polycarbonate resin of a random copolymer having a main chain which comprises, as essential units, an unit 1 represented by the following formula 1 and an unit 2 represented by the following formula 2, or a polycarbonate resin of a homopolymer which comprises the unit 2, an amount ratio of the unit 1 being not more than 70 mol %, the polycarbonate resin having a Tg of not less than 125° C.Type: GrantFiled: November 26, 1997Date of Patent: October 9, 2001Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hitoshi Saito, Shino Takao, Hirofumi Tomita
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Publication number: 20010016557Abstract: A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a composition composed mainly of at least one thermoplastic resin having at least one reactive functional group and an isocyanate compound or a chelate compound.Type: ApplicationFiled: March 18, 1999Publication date: August 23, 2001Applicant: DAI NIPPON PRINTING CO., LTDInventors: SHINO TAKAO, SHINJI KOMETANI, HITOSHI SAITO
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Patent number: 6043194Abstract: There is provided a protective layer transfer sheet comprising: a substrate sheet; and a thermally transferable protective layer provided on at least a part of one side of the substrate sheet, the protective layer comprising at least an aromatic polycarbonate resin which is soluble in a nonhalogenated solvent and has a glass transition temperature Tg of 80.degree. C. or above.There is also provided a print comprising a substrate having, on at least one side thereof, at least a dye image and a protective layer covering at least a part of the image, the protective layer having been formed by transfer from the above protective layer transfer sheet.Type: GrantFiled: November 18, 1998Date of Patent: March 28, 2000Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hitoshi Saito, Shino Takao, Yuji Matufuji
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Patent number: 5955399Abstract: A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a release agent which is the same as that contained in the dye-receptive layer or does not migrate to other places, for example, comprises an amino-modified silicone and an epoxy-modified silicone or a product of a reaction of both of them, or an addition-polymerizable silicone or a cured product obtained by a reaction thereof.A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a lubricious back surface layer provided on the other surface of the substrate sheet, the lubricious back surface layer being composed mainly of a binder and a nylon filler.Type: GrantFiled: June 18, 1997Date of Patent: September 21, 1999Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shino Takao, Shinji Kometani, Hitoshi Saito
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Patent number: 5922642Abstract: An image-receiving sheet for thermal transfer printing comprises a substrate, a color receptor layer formed on one surface of the substrate, and a back surface layer formed on an other surface of the substrate. The back surface layer comprises thermoplastic resin and hydrophilic porous microsilica which is obtained by a wet process and has a pore volume of from 0.2 to 3.0 ml/g. It is possible to write with any kind of writing means on the back surface layer, and a stamp can be stuck thereon. When printing information is recorded on the color receptor layer of the image-receiving sheet for thermal transfer printing, the image-receiving sheet therefor is converted into a printed material which may be used as a picture postcard.Type: GrantFiled: December 23, 1996Date of Patent: July 13, 1999Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoshihiko Tamura, Shino Takao
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Patent number: 5856268Abstract: There is provided a heat transfer image-receiving sheet comprising: a substrate sheet, end a dye-receiving layer provided at least on one surface of the substrate sheet, comprising a thermoplastic resin and at least two types of cured products of modified silicones whose curing mechanisms are different.There is also provided a heat transfer image-receiving sheet comprising: a substrate sheet, a dye-receiving layer provided at least on one surface of the substrate sheet, comprising a thermoplastic resin, and a releasing layer provided on the dye-receiving layer, comprising at least two types of cured products of modified silicones whose curing mechanisms are different.Type: GrantFiled: October 5, 1995Date of Patent: January 5, 1999Assignee: Dai Nippon Printing Co., Ltd.Inventor: Shino Takao
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Patent number: 5776853Abstract: There is provided a thermal transfer image-receiving sheet including a substrate sheet and an intermediate layer and a receptive layer provided in that order on at least one side of the substrate sheet, the intermediate layer being formed of at least one resin having an active hydrogen, the receptive layer including at least one thermoplastic resin and a curing agent reactive with the active hydrogen.Type: GrantFiled: December 19, 1995Date of Patent: July 7, 1998Assignee: Dai Nippon Printing Co., Ltd.Inventor: Shino Takao
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Patent number: 5753589Abstract: There is provided a thermal transfer image-receiving sheet including a substrate sheet, a whiteness-improving layer and a receptive layer provided on top of one another in that order, the whiteness-improving layer including a water-soluble polymer containing a water-soluble fluorescent brightening agent, the receptive layer including a resin soluble in an organic solvent.Type: GrantFiled: August 31, 1995Date of Patent: May 19, 1998Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shino Takao, Hitoshi Saito
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Patent number: 5705451Abstract: A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a composition composed mainly of at least one thermoplastic resin having at least one reactive functional group and an isocyanate compound or a chelate compound.A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a release agent which is the same as that contained in the dye-receptive layer or does not migrate to other places, for example, comprises an amino-modified silicone and an epoxy-modified silicone or a product of a reaction of both of them, or an addition-polymerizable silicone or a cured product obtained by a reaction thereof.Type: GrantFiled: June 5, 1995Date of Patent: January 6, 1998Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shino Takao, Shinji Kometani, Hitoshi Saito
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Patent number: 5462911Abstract: A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a composition composed mainly of at least one thermoplastic resin having at least one reactive functional group and an isocyanate compound or a chelate compound.A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a release agent which is the same as that contained in the dye-receptive layer or does not migrate to other places, for example, comprises an amino-modified silicone and an epoxy-modified silicone or a product of a reaction of both of them, or an addition-polymerizable silicone or a cured product obtained by a reaction thereof.Type: GrantFiled: September 21, 1994Date of Patent: October 31, 1995Assignee: Dai Nippon Printing Co., Ltd.Inventors: Shino Takao, Shinji Kometani, Hitoshi Saito