Patents by Inventor Asao Matsushima
Asao Matsushima 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: 20120177425Abstract: Disclosed is a glossy surface forming apparatus containing a heating member to heat an image support on which a toner has been supplied, a belt member with which the image support is brought into close contact via the toner having been melted via heating by the heating member to convey the image support in a state of being in close contact, a cooling member to cool the toner on the image support which is being conveyed in a state of being in close contact with the belt member, and a separating member to separate the image support on which the toner has been solidified via cooling by the cooling member from the belt member, and the belt member contains at least a polyimide resin having a fluorine atom in the molecular structure and the center line average roughness Ra of the surface making contact with a toner layer is at most 0.3 ?m. A glossy surface forming method is also disclosed.Type: ApplicationFiled: December 28, 2011Publication date: July 12, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Aya SHIRAI, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Ryuichi HIRAMOTO, Michiyo FUJITA
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Publication number: 20120156609Abstract: Provided is a method for producing a print having a toner image and a foil image, the method containing the steps of forming a foil transferring toner image with a foil transferring toner on an image supporting substrate produced; heating and pressing by laminating the foil transferring toner image onto a transferring foil layer of a transferring foil sheet which is composed of the transferring foil layer and a base film; forming a foil image having the transferring foil layer on the foil transferring toner image by peeling off the base film after cooling the foil transferring toner image with the transferring foil layer; and forming a toner image with an image forming toner on the image supporting substrate having the foil transferring image, wherein the foil transferring toner contains a resin produced by a vinyl monomer represented by Formula (1) and a polyvalent metal compound:Type: ApplicationFiled: December 8, 2011Publication date: June 21, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Asao MATSUSHIMA, Tatsuya NAGASE, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO, Michiyo FUJITA
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Publication number: 20120141176Abstract: Provided is a method for forming a printed mater having high glossiness (for example, glossiness 80 or more by measuring angle of 20°) via high glossiness providing apparatus. A method for forming a high glossy printed matter comprising at least steps of (a) heating and melting a clear toner supplied on an image support material, (b) bringing the image support material at a side in which the a clear toner is supplied into contact with a belt, and cooling the transparent toner while contacting with the belt, and (c) releasing the image support material from the belt, wherein the clear toner comprises at least a resin and a wax, a glass transition point (Tg) of the resin is not less than 30° C. and not more than 70° C., and a crystallization temperature (Tc) of the wax is not less than 60° C. and not more than 99° C.Type: ApplicationFiled: November 23, 2011Publication date: June 7, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Asao Matsushima, Tatsuya Nagase, Yasuko Uchino, Aya Shirai, Ryuichi Hiramoto, Michiyo Fujita
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Publication number: 20120128393Abstract: The image forming method including steps of forming a clear toner layer on a photoreceptor, transferring the clear toner layer onto a transfer member, transferring the clear toner layer on the transfer member onto an image support, heating the image support having the clear toner layer, bringing the clear toner layer into close contact with a belt to cool the image support, and separating the image support from the belt are provided, in this order; and the clear toner layer is formed with a plurality of independent linear protrusion portions and the independent linear protrusion portions are formed parallel or diagonally to the conveyance direction of an image support.Type: ApplicationFiled: November 16, 2011Publication date: May 24, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Michiyo FUJITA, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO
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Publication number: 20120122021Abstract: A method of forming a hologram image comprising the steps of forming an electrophotographic image by forming an electrophotographic image area on an image support via an electrophotographic image forming method using a toner containing at least a thermoplastic resin; laminating an emboss hologram transferring member over the electrophotographic image so that a surface on which a corrugation profile is formed of the emboss hologram transferring member is in contact with the electrophotographic image area heating the electrophotographic image and the emboss hologram transferring member at a temperature not lower than a softening temperature of the toner while pressurizing the emboss hologram transferring member onto the electrophotographic image; cooling the electrophotographic image and the emboss hologram transferring member, and peeling the emboss hologram transferring member from the electrophotographic image, whereby the corrugation profile of the emboss hologram transferring member is transferred onto theType: ApplicationFiled: November 7, 2011Publication date: May 17, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Ryuichi HIRAMOTO, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Michiyo FUJITA
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Publication number: 20120082493Abstract: A method of forming a glossy image is disclosed, comprising the steps of (a) forming a clear toner particle layer with clear toner particles on an image support, (b) heating and pressing the clear toner particle layer formed on the image support, while bringing the surface of the clear toner particle layer into contact with a belt, and (c) cooling the clear toner particle layer to form a clear toner layer, wherein the clear toner particles contain a binder resin and a releasing agent and exhibit a heat quantity of fusion of not less than 3.0 J/g and not more than 9.5 J/g, and the clear toner particles meeting the following requirement: 0.5?S1/S2?1.0.Type: ApplicationFiled: September 23, 2011Publication date: April 5, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Yasuko UCHINO, Tatsuya NAGASE, Asao MATSUSHIMA, Aya SHIRAI, Ryuichi HIRAMOTO, Michiyo FUJITA
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Publication number: 20120028175Abstract: A method for forming an image at least comprising steps of forming an electrostatic latent image by exposing an electrophotographic photoreceptor, forming a foil transferring face by supplying a toner onto the electrophotographic photoreceptor having the electrostatic latent image, transferring the foil transferring face formed on the electrophotographic photoreceptor to a base substance, fixing the foil transferring face transferred on the base substance, supplying a transfer foil to the base substance fixed with the foil transferring face, adhering the transfer foil onto the foil transferring face by heating under a condition of contacting the transfer foil with the foil transferring face; and removing the transfer foil from the base substance while leaving the foil adhered onto the foil transferring face, wherein the toner comprises a binder resin having a softening temperature in the range of from not less than 105° C. to not more than 140° C.Type: ApplicationFiled: July 18, 2011Publication date: February 2, 2012Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Yasuko UCHINO, Tatsuya NAGASE, Asao MATSUSHIMA, Aya SHIRAI, Ryuichi HIRAMOTO, Michiyo FUJITA
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Patent number: 8080359Abstract: An objective is to provide an image forming method by which sufficient fixing strength can be obtained at a low temperature of 120° C., excellent print images with no belt-like or streak image defect can be obtained, and no document offsetting is generated even though the superimposed print images are stored. Disclosed is an image forming method comprising the step of fixing a toner image formed with a toner comprising a releasing agent on a transfer material employing a contact-heating fixing device comprising a heating roller and a belt-shaped pressure body, wherein the heating roller is placed on the upper side of the transfer material, the releasing agent comprises the 1st releasing agent component and the 2nd releasing agent component, and the 1st releasing agent component has a content of 40-98% by weight, based on the total weight of the 1st and 2nd releasing agent components.Type: GrantFiled: November 29, 2007Date of Patent: December 20, 2011Assignee: Konica Minolta Business Technologies, Inc.Inventors: Masaharu Matsubara, Asao Matsushima, Noboru Ueda, Go Yamaguchi
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Patent number: 8057978Abstract: An electrophotographic toner is disclosed, meeting the requirement that G? (60)/G? (80) is from 1×102 to 1×104, where G? (60) G? (80) are each a storage modulus of the toner at 60° C. and 80° C., respectively; G? (100)/G? (130) is from 1 to 102, where G? (100) and G? (130) are each a storage modulus of the toner at 100° C. and 130° C., respectively; and G? (100-130) is from 5×102 to 1×102 dyn/cm2, where G? (100-130) is a storage modulus of the toner at a temperature of from 100 to 130° C.Type: GrantFiled: September 5, 2008Date of Patent: November 15, 2011Assignee: Konica Minolta Business Technologies, Inc.Inventors: Go Yamaguchi, Yoshiaki Kobayashi, Asao Matsushima, Noboru Ueda, Masaharu Matsubara
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Publication number: 20110207045Abstract: A toner for electrostatic latent image development is disclosed, comprising a binder resin which comprises a resin A comprising a copolymer comprised of at least a styrenic monomer unit and a (meth)acrylic monomer unit and a resin B comprising a copolymer comprised of at least a methacrylate monomer unit and a radical-polymerizable monomer unit containing plural carboxyl groups, and a total amount of the methacrylate monomer unit and the radical-polymerizable monomer unit containing plural carboxyl groups accounts for not less than 70% by mass and not more than 95% by mass of all monomer units forming the copolymer of the resin B.Type: ApplicationFiled: February 10, 2011Publication date: August 25, 2011Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Anju HORI, Shigenori KOUNO, Asao MATSUSHIMA, Noboru UEDA, Kentarou MOGI
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Publication number: 20110129771Abstract: A transparent toner for forming a glossy surface is disclosed, wherein a critical surface tension of a glossy surface formed by the transparent toner at 20° C. is at least 50 mN/m, and the transparent toner comprises a resin composed of a polymer formed by employing at least a polymerizable monomer containing a carboxylic group (—COOH). An image forming method employing the transparent tone is also disclosed.Type: ApplicationFiled: November 18, 2010Publication date: June 2, 2011Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Michiyo FUJITA, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO
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Patent number: 7947420Abstract: An image forming method comprising the steps of: (i) charging a surface of a photoreceptor; (ii) exposing the charged photoreceptor to form an electrostatic latent image; (iii) developing the electrostatic latent image using a toner comprising at least a release agent to form a toner image; (iv) transferring the toner image on the photoreceptor to a transfer material; and (v) fixing the toner image transferred on the transfer material employing a contact-heating fixing devise comprising a pair of belts, wherein the releasing agent comprises a first release agent component containing a monoester compound represented by Formula (1) and a second release agent component containing a hydrocarbon having a branched chain structure, wherein a content of the first release agent is 40 to 98% by mass, based on a total mass of the first release agent component and the second release agent component: R1—COO—R2.Type: GrantFiled: January 17, 2008Date of Patent: May 24, 2011Assignee: Konica Minolta Business Technologies, Inc.Inventors: Masaharu Matsubara, Asao Matsushima, Noboru Ueda, Go Yamaguchi, Takayuki Suzuki
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Patent number: 7838194Abstract: A toner for developing an electrostatic image is disclosed. The toner has softening point Tsp of from 90° C. to 110° C., and the toner satisfies the relation of 0.02?(Sw/S)×100?10, Sw being an area of a wax domain having largest diameter among wax domains at a cross section of the toner particle, and S being entire area of the cross section of the toner particle.Type: GrantFiled: October 4, 2007Date of Patent: November 23, 2010Assignee: Konica Minolta Business Technologies, Inc.Inventors: Noboru Ueda, Asao Matsushima, Go Yamaguchi
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Patent number: 7741000Abstract: Disclosed is a method for forming color image, in which one of the yellow, magenta, cyan and black toners is a high water content toner, and one of the yellow, magenta, cyan and black toners is a toner low water content toner, water content of the high water content toner is 1.2 to 2.5% by weight based on the high water content toner, and water content of the low water content toner is 0.1 to 1.2% by weight based on the low water content toner.Type: GrantFiled: August 19, 2004Date of Patent: June 22, 2010Assignee: Konica Minolta Business Technologies, Inc.Inventors: Tatsuya Nagase, Meizo Shirose, Naohiro Hirose, Asao Matsushima, Yoshiyasu Matsumoto, Shiro Hirano
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Publication number: 20100028798Abstract: A toner for electrostatic latent image development, in which the image quality is fine, toner blister would not occur, and furthermore, the image quality which can fulfill customer's satisfaction can be obtained regardless of the temperature humidity environment in the image forming. The toner for electrostatic latent image development is made by agglomeration of resin particles and colorant particles in an aqueous medium. The acid value of the toner is less than 20 mgKOH/g, and the hydroxyl value of the toner is 7 to 57 mgKOH/g.Type: ApplicationFiled: October 9, 2009Publication date: February 4, 2010Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Eiichi YOSHIDA, Asao MATSUSHIMA, Ken OHMURA, Hiroshi YAMAZAKI
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Patent number: 7625686Abstract: An image forming method in which toner having a an average circularity of 0.94-0.99, and an average equivalent circle diameter of 2.6-7.4 ?m of toner particles is utilized, an electrostatic latent image formed on an image carrying member being developed, and the toner image is transferred on a transferring material followed by fixing, wherein non-transferred toner remaining on said image carrying member is collected for reuse for image formation, and non-transferred toner collected is utilized after having been passed through a toner intermediate chamber.Type: GrantFiled: March 2, 2004Date of Patent: December 1, 2009Assignee: Konica Minolta Holdings, Inc.Inventors: Ken Ohmura, Hiroshi Yamazaki, Asao Matsushima, Eiichi Yoshida
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Patent number: 7514190Abstract: An electrophotographic image forming method is disclosed, which includes the steps of developing an electrostatic image on a electrophotographic photoreceptor by a developer, transferring a toner image formed by the development, and fixing the toner image on a recording medium. It is disclosed that a toner has a volume particle diameter (Dv50) of about 4.4 to about 5.8 ?m and displays two or more endothermic peaks measured by DSC being within the rang of from about 50 to about 73° C. and the endothermic heat amount thereof is from 12.6 to 24.5 J/mg and a transferring member and/or a fixing member constituted by a belt containing a polyimide resin are employed in the method.Type: GrantFiled: January 26, 2005Date of Patent: April 7, 2009Assignee: Konica Minolta Business Technologies, Inc.Inventors: Ken Ohmura, Asao Matsushima
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Publication number: 20090087770Abstract: An electrophotographic toner is disclosed, meeting the requirement that G? (60)/G? (80) is from 1×102 to 1×104, where G? (60) G? (80) are each a storage modulus of the toner at 60° C. and 80° C., respectively; G? (100)/G? (130) is from 1 to 102, where G? (100) and G? (130) are each a storage modulus of the toner at 100° C. and 130° C., respectively; and G? (10-130) is from 5×102 to 1×102 dyn/cm21 where G? (100-130) is a storage modulus of the toner at a temperature of from 100 to 130° C.Type: ApplicationFiled: September 5, 2008Publication date: April 2, 2009Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Go YAMAGUCHI, Yoshiaki KOBAYASHI, Asao MATSUSHIMA, Noboru UEDA, Masaharu MATSUBARA
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Patent number: 7507514Abstract: Toner containing binder resin constituted of plural types of copolymers comprising a vinyl type polymerizing monomer, wherein at least one of the copolymers comprising a vinyl type polymerizing monomer is one formed by utilizing a monomer provided with at least two polar groups.Type: GrantFiled: June 6, 2005Date of Patent: March 24, 2009Assignee: Konica Minolta Business Technologies, Inc.Inventors: Tomoko Tanma, Meizo Shirose, Asao Matsushima
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Publication number: 20080226364Abstract: An image forming method comprising the steps of: (i) charging a surface of a photoreceptor; (ii) exposing the charged photoreceptor to form an electrostatic latent image; (iii) developing the electrostatic latent image using a toner comprising at least a release agent to form a toner image; (iv) transferring the toner image on the photoreceptor to a transfer material; and (v) fixing the toner image transferred on the transfer material employing a contact-heating fixing devise comprising a pair of belts, wherein the releasing agent comprises a first release agent component containing a monoester compound represented by Formula (1) and a second release agent component containing a hydrocarbon having a branched chain structure, wherein a content of the first release agent is 40 to 98% by mass, based on a total mass of the first release agent component and the second release agent component: R1—COO—R2 ??Formula (1)Type: ApplicationFiled: January 17, 2008Publication date: September 18, 2008Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Masaharu MATSUBARA, Asao MATSUSHIMA, Noboru UEDA, Go YAMAGUCHI, Takayuki SUZUKI