Patents by Inventor Kazuaki Oguma
Kazuaki Oguma 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: 20090191364Abstract: A heat-sensitive transfer image-receiving sheet having at least one heat insulation layer and at least one receptor layer on a support, the heat insulation layer containing at least one hollow polymer, and the receptor layer containing at least one latex polymer having the glass transition temperature (Tg) of 20° C. to 60° C. and at least one polymer compound having an aliphatic group substituted with a fluorine atom at its side chain.Type: ApplicationFiled: January 27, 2009Publication date: July 30, 2009Applicant: FUJIFILM CORPORATIONInventors: Kazuaki OGUMA, Yasufumi NAKAI, Hideyuki SHIRAI
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Publication number: 20090191365Abstract: A heat-sensitive transfer image-receiving sheet, comprising a support, and at least one heat insulation layer containing hollow polymer particles and at least one receptor layer provided for the support in this order, wherein the receptor layer contains a latex polymer having a glass transition temperature (Tg) of lower than 50° C. and a latex polymer having a glass transition temperature (Tg) of 50° C. or higher, the latex polymer having a glass transition temperature (Tg) of lower than 50° C. is contained in an amount, as solid content, larger than that of the latex polymer having a glass transition temperature (Tg) of 50° C. or higher, and the latex polymer having a glass transition temperature (Tg) of lower than 50° C. is a latex polymer having the recurring unit obtained from vinyl chloride monomer in an amount of 50 mol % or more.Type: ApplicationFiled: January 27, 2009Publication date: July 30, 2009Applicant: FUJIFILM CORPORATIONInventors: Kazuaki Oguma, Shigeru Shibayama
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Patent number: 7534546Abstract: An image-forming method having: superposing a heat-sensitive transfer sheet on an image-receiving sheet so that a receptor layer can be contacted with a thermal transfer layer; and providing thermal energy in accordance with image signals given from a thermal head; in which the heat-sensitive transfer sheet is a sheet containing the thermal transfer layer that contains a colorant and at least one polyester as a binder component of the thermal transfer layer, in which at least one-second by molar ratio of the acid component of said polyester is terephtharic acid, or a sheet containing a thermal transfer layer that contains a colorant on one surface of a substrate film and a heat-resistant sliding layer formed so as to contain a hardener on the other surface of the substrate film; and the image-receiving sheet contains, on a support, the receptor layer that contains one of polyester and/or polycarbonate polymers.Type: GrantFiled: March 9, 2007Date of Patent: May 19, 2009Assignee: Fujifilm CorporationInventors: Kazuaki Oguma, Takuya Arai, Yoshihisa Tsukada, Hisashi Mikoshiba, Toshihide Yoshitani, Masataka Yoshizawa
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Publication number: 20090087552Abstract: A method of producing a heat-sensitive transfer image-receiving sheet having, on a support, a heat insulation layer and a receptor layer, having a step of: forming both the heat insulation layer and the receptor layer by an aqueous simultaneous multilayer coating; wherein the heat insulation layer has at least one kind of hollow polymer particles and at least one resin having a glass transition temperature (Tg) in the range from 20° C. to 80° C.Type: ApplicationFiled: September 26, 2008Publication date: April 2, 2009Applicant: FUJIFILM CorporationInventors: Tomoyuki Koide, Kenji Naoi, Kazuaki Oguma
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Publication number: 20090061124Abstract: A heat-sensitive transfer image-receiving sheet having a support and, on each of both sides of the support, at least one receptor layer containing at least one kind of latex polymer; a heat-sensitive transfer image-receiving sheet containing a support and, on each of both sides of the support, are formed at least one interlayer, at least one heat insulation layer containing at least one kind of hollow polymer, and at least one receptor layer in this order from the support; and a method of producing a heat-sensitive transfer image-receiving sheet comprising a support and, on each of both sides of the support, at least one receptor layer containing at least one kind of latex polymer, which method including forming the receptor layer by applying a receptor layer-coating liquid which has a solid content in the range of from 5% by mass to 50% by mass, per one coating operation.Type: ApplicationFiled: August 28, 2008Publication date: March 5, 2009Applicant: FUJIFILM CorporationInventors: Tomoyuki KOIDE, Kazuaki OGUMA, Yasufumi NAKAI, Shinichiro MORIMOTO, Shigeru SHIBAYAMA
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Publication number: 20090060132Abstract: A heat-sensitive transfer image-receiving sheet having at least one receptor layer and at least one heat insulation layer on a support, wherein a Vickers hardness of the heat insulation layer is in the range of from 2 to 20, and a moisture content of the heat-sensitive transfer image-receiving sheet is in the range of from 5% by mass to 8% by mass.Type: ApplicationFiled: August 29, 2008Publication date: March 5, 2009Applicant: FUJIFILM CORPORATIONInventors: Junichiro HOSOKAWA, Hideyuki SHIRAI, Kazuaki OGUMA
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Publication number: 20090011154Abstract: A thermal transfer image-receiving sheet comprising a heat-insulating layer and an image-receiving layer on a support, wherein the receiving layer contains polymer latex, the heat-insulating layer contains hollow polymer, and at least two layers are formed by simultaneous multilayer coating, and wherein at least one layer on the side of the receiving layer on the support contains at least two compounds of the following formulae [I] to [IV]: wherein R1, R2, R13-R15, R18, R19 represent hydrogen etc.; R20 represents lower alkylene; X represents hydrogen etc.; l is 2-6; m is 1-4; p is 0 or 1; and q is 0-5.Type: ApplicationFiled: March 28, 2008Publication date: January 8, 2009Applicant: FUJIFILM CorporationInventors: Kazuaki OGUMA, Yasufumi Nakai
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Publication number: 20080274880Abstract: A heat-sensitive transfer sheet, comprising a base film, at least three heat-sensitive transfer layers containing heat-sensitively transferable dyes and a resin, and a heat-resistant slipping layer, in which the at least three heat-sensitive transfer layers contains two or more dyes different from each other; the heat-sensitive transfer layers are provided on one face of the base film so as not to be superposed on one another; the heat-sensitive transfer layers contains, as the resin, at least one of a polyvinylbutyral resin and a polyvinyl acetacetal resin, each having a polymerization degree of 200 to 1,000; and at least one of the heat-sensitive transfer layers contains the polyvinylbutyral resin as described above and the polyvinyl acetacetal resin described above, and has a ratio of the polyvinylbutyral to the polyvinyl acetacetal different from those in the other heat-sensitive transfer layers.Type: ApplicationFiled: March 28, 2008Publication date: November 6, 2008Applicant: FUJIFILM CorporationInventors: Akito Yokozawa, Kazuaki Oguma
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Publication number: 20080254981Abstract: An heat-sensitive transfer image-forming method which uses a heat-sensitive transfer image-receiving sheet and a heat-sensitive transfer sheet, in which the heat-sensitive transfer image-receiving sheet includes at least one receptor layer; and the heat-sensitive transfer sheet includes at least one yellow dye layer, at least one magenta dye layer, and at least one cyan dye layer: the method including superposing the heat-sensitive transfer sheet on the heat-sensitive transfer image-receiving sheet, and then heating to form an image on the receptor layer; and controlling the maximum value of E value represented by formula (1) having the range from 52 to 72, based on a* value and b* value in the region of L* value of the formed magenta monochromatic image ranging from 45 to 90: Formula (1) E=?(a*2+b*2).Type: ApplicationFiled: March 26, 2008Publication date: October 16, 2008Applicant: FUJIFILM CorporationInventors: Junichiro HOSOKAWA, Shin Soejima, Hidekazu Sakai, Kazuaki Oguma
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Publication number: 20080254383Abstract: An image-forming method applying a heat-sensitive transfer system which uses a heat-sensitive transfer image-receiving sheet and a heat-sensitive transfer sheet, in which the heat-sensitive transfer image-receiving sheet has a support, at least one dye receptor layer on the support, and at least one heat insulation layer containing both hollow polymer particles and a hydrophilic polymer that is disposed between the dye receptor layer and the support; and the heat-sensitive transfer sheet has at least one yellow heat transfer layer, at least one magenta heat transfer layer, and/or at least one cyan heat transfer layer on a support: comprising controlling each glass transition point (Tg-A) of three heat transfer layers so that they decrease in area order; and comprising transferring at least three kinds of heat transfer dyes contained in the heat transfer layers to the dye receptor layer in order.Type: ApplicationFiled: March 28, 2008Publication date: October 16, 2008Applicant: FUJIFILM CorporationInventors: Shin Soejima, Kazuaki Oguma
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Patent number: 7381685Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with the following thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy given by a thermal head in accordance with image signals, thereby to form an image; wherein the heat-sensitive transfer image-receiving sheet is transported at a speed of 125 mm/s or more during the image formation, and wherein the heat-sensitive transfer image-receiving sheet contains, on a support, at least one receptor layer containing a polymer latex, and at least one heat insulation layer containing hollow polymer particles but free of any resins having poor resistance to an organic solvent except for the hollow polymer particles, and the heat-sensitive transfer sheet contains, on a support, a thermal transfer layer.Type: GrantFiled: February 28, 2007Date of Patent: June 3, 2008Assignee: FUJIFILM CorporationInventors: Kazuaki Oguma, Yoshio Ishii, Kazuma Takeno, Hisashi Mikoshiba, Yoshihisa Tsukada
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Publication number: 20080090727Abstract: A heat-sensitive transfer image-receiving sheet, which has a substrate, and a dye receptor layer provided at least one side of the substrate, wherein the heat-sensitive transfer image-receiving sheet contains at least one compound represented by formula (L1): wherein R01 represents —C(?O)R or a hydrogen atom, in which R represents an aliphatic group which may have a substituent, and a plurality of R01's are the same as or different from each other, but at least one of R01's is —C(?O)R, and n represents 0 or 1; and a method of producing the heat-sensitive transfer image-receiving sheet.Type: ApplicationFiled: September 28, 2007Publication date: April 17, 2008Applicant: FUJIFILM CorporationInventors: Kazuaki Oguma, Takuya Arai, Yoshihisa Tsukada
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Publication number: 20070225166Abstract: A heat-sensitive transfer image-receiving sheet, which is used in an image formation system that continuously produces printed outputs at intervals of 5 seconds or below between the end of ejection of one sheet printed and the start of ejection of the next sheet printed, and which has on a support at least one receptor layer containing a latex polymer comprising repeating units of vinyl chloride component and at least one heat insulation layer containing hollow polymer particles; and a method of forming an image, which uses utilizes the above heat-sensitive image-receiving sheet.Type: ApplicationFiled: March 23, 2007Publication date: September 27, 2007Applicant: FUJIFILM CorporationInventors: Tomoyuki Koide, Kazuaki Oguma, Takuya Arai
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Publication number: 20070213217Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with the following thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy in accordance with image signals, thereby to form a thermal transfer image; in which the heat-sensitive transfer image-receiving sheet comprises, on a support, at least one receptor layer containing a polymer latex, and at least one heat insulation layer containing hollow polymer particles but free of any resins having poor resistance to an organic solvent except for the hollow polymer particles, and the heat-sensitive transfer sheet comprises, on a support, a thermal transfer layer containing at least any one of a compound represented by formula (Y), a compound represented by formula (M) and a compound represented by formula (C): in wType: ApplicationFiled: February 28, 2007Publication date: September 13, 2007Applicant: FUJIFILM CorporationInventors: Kazuaki Oguma, Yoshio Ishii, Yoshihisa Tsukada, Hiroshi Takehara, Yoshihiko Fujie
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Publication number: 20070213223Abstract: An image-forming method, having: superposing an ink sheet on an image-receiving sheet so that a dye layer of the ink sheet can be contacted with at least one receptor layer of the image-receiving sheet; and providing thermal energy according to image signals given from a thermal head to the superposed two sheets, thereby to form images; wherein the ink sheet has a dye layer that contains a thermally transferable color material on one surface of a substrate, wherein the ink sheet further has (a) a heat-resistant sliding layer on the other surface of the substrate or (b) at least one polyester as a binder component, in which at least a half (molar ratio) of an acid component of the polyester is terephthalic acid; and wherein the image-receiving sheet has, on a support, at least one receptor layer containing e.g., a polymer having at least one vinyl chloride repeating unit.Type: ApplicationFiled: March 9, 2007Publication date: September 13, 2007Applicant: FUJIFILM CorporationInventors: Kazuaki Oguma, Takuya Arai, Yoshihisa Tsukada, Hisashi Mikoshiba, Toshihide Yoshitani, Masataka Yoshizawa
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Publication number: 20070212637Abstract: An image-forming method having: superposing a heat-sensitive transfer sheet on an image-receiving sheet so that a receptor layer can be contacted with a thermal transfer layer; and providing thermal energy in accordance with image signals given from a thermal head; in which the heat-sensitive transfer sheet is a sheet containing the thermal transfer layer that contains a colorant and at least one polyester as a binder component of the thermal transfer layer, in which at least one-second by molar ratio of the acid component of said polyester is terephtharic acid, or a sheet containing a thermal transfer layer that contains a colorant on one surface of a substrate film and a heat-resistant sliding layer formed so as to contain a hardener on the other surface of the substrate film; and the image-receiving sheet contains, on a support, the receptor layer that contains one of polyester and/or polycarbonate polymers.Type: ApplicationFiled: March 9, 2007Publication date: September 13, 2007Applicant: FUJIFILM CorporationInventors: Kazuaki Oguma, Takuya Arai, Yoshihisa Tsukada, Hisashi Mikoshiba, Toshihide Yoshitani, Masataka Yoshizawa
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Publication number: 20070212634Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following receptor layer can be contacted with the following thermal transfer layer; and providing thermal energy in accordance with image signals, thereby to form a thermal transfer image; in which the heat-sensitive transfer image-receiving sheet comprises, on a support, a receptor layer containing a polymer latex, and a heat insulation layer containing hollow polymer particles, and the heat-sensitive transfer sheet comprises, on a support, a thermal transfer layer containing any one of compounds represented by formulas (1) to (7): ?in which, one of Z1 and Z2 represents ?N— and the other represents ?C(R95)—; Z3 and Z4 each independently represents ?N— or ?C(R96)—; R51 to R114 each independently represent a substituent, or a hydrogen atom or a substituent; n8 to n18 each independently represent an integer of 0 to 5, 0 to 4 or 0 to 2.Type: ApplicationFiled: February 28, 2007Publication date: September 13, 2007Applicant: FUJIFILM CorporationInventors: Kazuaki Oguma, Yoshio Ishii, Hisashi Mikoshiba, Hiroshi Takehara, Yoshihisa Tsukada
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Publication number: 20070212635Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with the following thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy given by a thermal head in accordance with image signals, thereby to form an image; wherein the heat-sensitive transfer image-receiving sheet is transported at a speed of 125 mm/s or more during the image formation, and wherein the heat-sensitive transfer image-receiving sheet contains, on a support, at least one receptor layer containing a polymer latex, and at least one heat insulation layer containing hollow polymer particles but free of any resins having poor resistance to an organic solvent except for the hollow polymer particles, and the heat-sensitive transfer sheet contains, on a support, a thermal transfer layer.Type: ApplicationFiled: February 28, 2007Publication date: September 13, 2007Applicant: FUJIFILM CorporationInventors: Kazuaki Oguma, Yoshio Ishii, Kazuma Takeno, Hisashi Mikoshiba, Yoshihisa Tsukada
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Publication number: 20070213221Abstract: An image-forming method, having: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with a thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy in accordance with image signals given from a thermal head, thereby to form an image; wherein the heat-sensitive transfer sheet has the thermal transfer layer that contains a thermally transferable colorant on one surface of a substrate film, and a heat-resistant sliding layer that is formed so as to contain a hardener on the other surface; and wherein the heat-sensitive transfer image-receiving sheet has, on a support, the at least one receptor layer that contains a latex polymer, and at least one heat insulation layer that contains hollow polymer particles but does not contain a resin having poor resistance to an organic solvent.Type: ApplicationFiled: March 9, 2007Publication date: September 13, 2007Applicant: FUJIFILM CorporationInventors: Takuya Arai, Kazuaki Oguma, Toshihide Yoshitani, Masataka Yoshizawa, Yoshihisa Tsukada