Patents by Inventor Godai Fukunaga
Godai Fukunaga 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: 10913302Abstract: A thermal transfer recording medium comprises a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate. The dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain comprising a vinyl-based polymer, and also contains Compounds I, II, and III as cyan dyes.Type: GrantFiled: October 9, 2019Date of Patent: February 9, 2021Assignee: TOPPAN PRINTING CO., LTD.Inventor: Godai Fukunaga
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Patent number: 10828922Abstract: A thermal transfer recording medium that satisfies the requirements for higher printing speed of thermal transfer, and high density and high quality of thermal transfer images, that better prevents the occurrence of abnormal transfer under high-temperature and high-humidity conditions, and that improves transfer sensitivity in printing. The thermal transfer recording medium includes a primer layer, an undercoat layer, and a dye layer in this order on one surface of a substrate, and a heat-resistant lubricating layer on the other surface of the substrate; wherein the primer layer contains polycarbonate and a polyurethane-urea resin having a polycaprolactam skeleton; the undercoat layer contains a copolymer of polyester and acrylic, and polyvinyl pyrrolidone; and the copolymer is a copolymer of polyester having a sulfonic acid group, and acrylic having at least one of a glycidyl group and a carboxyl group.Type: GrantFiled: July 25, 2018Date of Patent: November 10, 2020Assignee: TOPPAN PRINTING CO., LTD.Inventor: Godai Fukunaga
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Patent number: 10675901Abstract: A thermal transfer recording medium that is capable of dealing with the requirement for an increase in thermal transfer printing speed, and high density and high quality of a thermally transferred image, capable of preventing the occurrence of abnormal transfer at high temperature and high humidity, and capable of improving transfer sensitivity in printing. A thermal transfer recording medium includes a heat-resistant lubricating layer on one surface of a base material, and an undercoat layer and a dye layer in that order on the other surface of the base material. The undercoat layer includes a copolymer of a polyester having a sulfonic acid group and an acrylic polymer having at least one of a glycidyl group and a carboxyl group, polyvinylpyrrolidone, and an oxazoline group-containing polymer. A binder resin of the dye layer is an acid-modified polyvinyl acetoacetal resin.Type: GrantFiled: April 16, 2018Date of Patent: June 9, 2020Assignee: TOPPAN PRINTING CO., LTD.Inventor: Godai Fukunaga
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Publication number: 20200039272Abstract: A thermal transfer recording medium comprises a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate. The dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain comprising a vinyl-based polymer, and also contains Compounds I, II, and III as cyan dyes.Type: ApplicationFiled: October 9, 2019Publication date: February 6, 2020Applicant: TOPPAN PRINTING CO., LTD.Inventor: Godai FUKUNAGA
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Publication number: 20180326772Abstract: A thermal transfer recording medium that satisfies the requirements for higher printing speed of thermal transfer, and high density and high quality of thermal transfer images, that better prevents the occurrence of abnormal transfer under high-temperature and high-humidity conditions, and that improves transfer sensitivity in printing. The thermal transfer recording medium includes a primer layer, an undercoat layer, and a dye layer in this order on one surface of a substrate, and a heat-resistant lubricating layer on the other surface of the substrate; wherein the primer layer contains polycarbonate and a polyurethane-urea resin having a polycaprolactam skeleton; the undercoat layer contains a copolymer of polyester and acrylic, and polyvinyl pyrrolidone; and the copolymer is a copolymer of polyester having a sulfonic acid group, and acrylic having at least one of a glycidyl group and a carboxyl group.Type: ApplicationFiled: July 25, 2018Publication date: November 15, 2018Applicant: TOPPAN PRINTING CO., LTD.Inventor: Godai FUKUNAGA
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Patent number: 10099498Abstract: A thermal transfer recording medium that is able to better suppress bleeding or scumming of an image and better suppress the occurrence of peeling lines or abnormal transfer during thermal transfer. The thermal transfer recording medium according to an embodiment includes a heat-resistant slip layer that is formed on one surface of a base material, an undercoat layer that is formed on the other surface of the base material, and a dye layer that is formed on a surface of the undercoat layer that is opposite from the surface that faces the base material; wherein the dye layer includes at least a thermally transferable dye, a first binder resin and a release agent; the release agent includes polyether-modified silicone oil and a perfluoroalkyl compound, and the ratio of the polyether-modified silicone oil and perfluoroalkyl compound, on the basis of a weight ratio, is within the range 9:1 to 6:4.Type: GrantFiled: June 30, 2017Date of Patent: October 16, 2018Assignee: Toppan Printing Co., Ltd.Inventors: Godai Fukunaga, Seiji Takizawa
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Publication number: 20180229523Abstract: A thermal transfer recording medium that is capable of dealing with the requirement for an increase in thermal transfer printing speed, and high density and high quality of a thermally transferred image, capable of preventing the occurrence of abnormal transfer at high temperature and high humidity, and capable of improving transfer sensitivity in printing. A thermal transfer recording medium includes a heat-resistant lubricating layer on one surface of a base material, and an undercoat layer and a dye layer in that order on the other surface of the base material. The undercoat layer includes a copolymer of a polyester having a sulfonic acid group and an acrylic polymer having at least one of a glycidyl group and a carboxyl group, polyvinylpyrrolidone, and an oxazoline group-containing polymer. A binder resin of the dye layer is an acid-modified polyvinyl acetoacetal resin.Type: ApplicationFiled: April 16, 2018Publication date: August 16, 2018Applicant: TOPPAN PRINTING CO., LTD.Inventor: Godai FUKUNAGA
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Patent number: 9914317Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: GrantFiled: September 28, 2016Date of Patent: March 13, 2018Assignee: TOPPAN PRINTING CO., LTD.Inventors: Godai Fukunaga, Yasunori Ono, Takehito Yamato, Yasuhiro Miyauchi, Yoko Hirai
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Patent number: 9878566Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: GrantFiled: January 26, 2015Date of Patent: January 30, 2018Assignee: TOPPAN PRINTING CO., LTD.Inventors: Godai Fukunaga, Yasunori Ono, Takehito Yamato, Yasuhiro Miyauchi, Yoko Hirai
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Publication number: 20170297356Abstract: A thermal transfer recording medium that is able to better suppress bleeding or scumming of an image and better suppress the occurrence of peeling lines or abnormal transfer during thermal transfer. The thermal transfer recording medium according to an embodiment includes a heat-resistant slip layer that is formed on one surface of a base material, an undercoat layer that is formed on the other surface of the base material, and a dye layer that is formed on a surface of the undercoat layer that is opposite from the surface that faces the base material; wherein the dye layer includes at least a thermally transferable dye, a first binder resin and a release agent; the release agent includes polyether-modified silicone oil and a perfluoroalkyl compound, and the ratio of the polyether-modified silicone oil and perfluoroalkyl compound, on the basis of a weight ratio, is within the range 9:1 to 6:4.Type: ApplicationFiled: June 30, 2017Publication date: October 19, 2017Applicant: TOPPAN PRINTING CO., LTD.Inventors: Godai FUKUNAGA, Seiji TAKIZAWA
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Publication number: 20170015126Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: ApplicationFiled: September 28, 2016Publication date: January 19, 2017Applicant: TOPPAN PRINTING CO., LTD.Inventors: Godai FUKUNAGA, Yasunori ONO, Takehito YAMATO, Yasuhiro MIYAUCHI, Yoko HIRAI
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Patent number: 9493023Abstract: The heat-sensitive transfer recording medium of the invention is such that an equilibrium moisture absorption rate at 23° C./50% of an undercoating layer containing a water-soluble polymer as a main component is about 15% or less, preferably 13% or less, and more preferably, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer is about 0.05-0.40 ?m, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer after being allowed to stand for 10 minutes at 150° C. is about 0.00-0.70 ?m, and a difference between the mean value (?) and the mean value (?) is about 0.00-0.30 ?m.Type: GrantFiled: July 31, 2014Date of Patent: November 15, 2016Assignee: TOPPAN PRINTING CO., LTD.Inventors: Godai Fukunaga, Takehito Yamato, Yasuo Sugishita, Yoko Hirai
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Patent number: 9174478Abstract: There is provided a thermal transfer recording medium capable of obtaining high transfer sensitivity during high-speed printing, that is, decreasing the amount of a dye used in a dye layer; and preventing abnormal transfer during printing even after storage in a high-temperature and high-humidity environment. The thermal transfer recording medium (1) contains: a heat-resistant sliding layer (40) that is formed on one surface of a substrate (10); and an undercoat layer (20) and a dye layer (30) that are sequentially laminated on the other surface of the substrate (10), in which the undercoat layer (20) contains, as major components, a polyvinyl pyrrolidone and a polyvinyl alcohol having a crystallinity degree of 15% or higher, and the dye layer (30) contains an anthraquinone-based thermal transfer dye.Type: GrantFiled: September 14, 2012Date of Patent: November 3, 2015Assignee: Toppan Printing Co., Ltd.Inventors: Godai Fukunaga, Makiko Nitanai, Yasuo Sugishita, Junichi Arai, Yoko Hirai, Emi Ando
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Publication number: 20150132510Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: ApplicationFiled: January 26, 2015Publication date: May 14, 2015Inventors: Godai FUKUNAGA, Yasunori Ono, Takehito Yamato, Yasuhiro Miyauchi, Yoko Hirai
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Publication number: 20140356556Abstract: There is provided a thermal transfer recording medium capable of obtaining high transfer sensitivity during high-speed printing, that is, decreasing the amount of a dye used in a dye layer; and preventing abnormal transfer during printing even after storage in a high-temperature and high-humidity environment. The thermal transfer recording medium (1) contains: a heat-resistant sliding layer (40) that is formed on one surface of a substrate (10); and an undercoat layer (20) and a dye layer (30) that are sequentially laminated on the other surface of the substrate (10), in which the undercoat layer (20) contains, as major components, a polyvinyl pyrrolidone and a polyvinyl alcohol having a crystallinity degree of 15% or higher, and the dye layer (30) contains an anthraquinone-based thermal transfer dye.Type: ApplicationFiled: September 14, 2012Publication date: December 4, 2014Inventors: Godai Fukunaga, Makiko Nitanai, Yasuo Sugishita, Junichi Arai, Yoko Hirai, Emi Ando
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Publication number: 20140340459Abstract: The heat-sensitive transfer recording medium of the invention is such that an equilibrium moisture absorption rate at 23° C./50% of an undercoating layer containing a water-soluble polymer as a main component is about 15% or less, preferably 13% or less, and more preferably, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer is about 0.05-0.40 ?m, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer after being allowed to stand for 10 minutes at 150° C. is about 0.00-0.70 ?m, and a difference between the mean value (?) and the mean value (?) is about 0.00-0.30 ?m.Type: ApplicationFiled: July 31, 2014Publication date: November 20, 2014Inventors: Godai FUKUNAGA, Takehito Yamato, Yasuo Sugishita, Yoko Hirai
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Patent number: 8350998Abstract: A retardation layer that includes regions causing different retardations can be manufactured easily. A retardation substrate includes a substrate and a solidified liquid crystal layer facing its main surface. The solidified liquid crystal layer includes first to third regions, and a degree of depolarization for each of the regions is less than 5.0×10?4. A difference between the maximum and minimum values of the degrees of depolarization obtained for the regions is less than 2.0×10?4.Type: GrantFiled: February 14, 2011Date of Patent: January 8, 2013Assignee: Toppan Printing Co., Ltd.Inventors: Sosuke Akao, Yuji Kubo, Noritaka Mihashi, Godai Fukunaga, Masashi Aimatsu, Takeshi Itoi
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Publication number: 20110141407Abstract: A retardation layer that includes regions causing different retardations can be manufactured easily. A retardation substrate includes a substrate and a solidified liquid crystal layer facing its main surface. The solidified liquid crystal layer includes first to third regions, and a degree of depolarization for each of the regions is less than 5.0×10?4. A difference between the maximum and minimum values of the degrees of depolarization obtained for the regions is less than 2.0×10?4.Type: ApplicationFiled: February 14, 2011Publication date: June 16, 2011Applicant: TOPPAN PRINTING CO., LTD.Inventors: Sosuke Akao, Yuji Kubo, Noritaka Mihashi, Godai Fukunaga, Masashi Aimatsu, Takeshi Itoi
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Patent number: 7948590Abstract: A retardation substrate is provided, which includes a substrate and an optically anisotropic solidified liquid crystal layer which is supported by the substrate and formed as a continuous film made from a same material. The solidified liquid crystal layer comprises first to third regions each having two sub-regions which are a sub-region A and a sub-region B, an in-plane birefringence of the 1A sub-region is larger than that of the 2A sub-region, the in-plane birefringence of the 3A sub-region is smaller than that of the 2A sub-region, and an in-plane birefringence of the 1B sub-region is the same as that of the 3B sub-region, smaller than that of the 1A sub-region and larger than that of the 3A sub-region.Type: GrantFiled: September 29, 2010Date of Patent: May 24, 2011Assignee: Toppan Printing Co., Ltd.Inventors: Sosuke Akao, Kazuhiro Osato, Hironobu Suda, Yuji Kubo, Godai Fukunaga, Yuki Yasu, Takao Taguchi
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Publication number: 20110025952Abstract: A retardation plate includes a light transmissive planar body and a solidified liquid crystal layer which is a continuous film made from the same material supported by the planar body. The solidified liquid crystal layer comprises a plurality of regions in which a thickness direction refractive indices are lowest. The plurality of regions are arranged on the planar body, each region has a different in-plane retardation and different thickness direction retardation caused by the degree of orientational disorder of mesogens and anisotropy of orientational disorder of mesogens.Type: ApplicationFiled: September 29, 2010Publication date: February 3, 2011Applicant: TOPPAN PRINTING CO., LTD.Inventors: Sosuke Akao, Godai Fukunaga, Takao Taguchi