Patents by Inventor Tatsuya Nagase

Tatsuya Nagase 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).

  • Publication number: 20120177427
    Abstract: Provided are an image forming method by which an image in which arbitrary glossiness is adjusted to any section is formed, and an image forming apparatus thereof. It is a feature that an image forming method possesses the steps of forming a gloss adjusting layer possessing a gloss adjusting toner-fixed image formed with a gloss adjusting toner, on an image support, and forming a toner-fixed image obtained from a toner, on the gloss adjusting layer, wherein the gloss adjusting layer possesses an aggregate of gloss adjusting units; the gloss adjusting units each possess a section where the gloss adjusting toner is attached and another section where the gloss adjusting toner is unattached; and a borderline between the section and the another section is a straight line.
    Type: Application
    Filed: December 29, 2011
    Publication date: July 12, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Michiyo FUJITA, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO
  • Publication number: 20120177425
    Abstract: 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: Application
    Filed: December 28, 2011
    Publication date: July 12, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Aya SHIRAI, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Ryuichi HIRAMOTO, Michiyo FUJITA
  • Publication number: 20120177426
    Abstract: A method of forming an image comprising the steps of forming an image on an image support to obtain an original image, and forming a gloss adjusting layer comprising a clear toner-fixed image comprising a clear toner on the original image, wherein the gloss adjusting layer comprises an aggregate of gloss adjusting units, wherein the gloss adjusting units each comprise a section where the clear toner is attached and a section where the clear toner is unattached, wherein a borderline between the section where the clear toner is attached and the section where the clear toner is unattached comprises a straight line.
    Type: Application
    Filed: December 28, 2011
    Publication date: July 12, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Michiyo FUJITA, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO
  • Publication number: 20120156609
    Abstract: 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: Application
    Filed: December 8, 2011
    Publication date: June 21, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Asao MATSUSHIMA, Tatsuya NAGASE, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO, Michiyo FUJITA
  • Publication number: 20120141176
    Abstract: 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: Application
    Filed: November 23, 2011
    Publication date: June 7, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Asao Matsushima, Tatsuya Nagase, Yasuko Uchino, Aya Shirai, Ryuichi Hiramoto, Michiyo Fujita
  • Patent number: 8194032
    Abstract: An image display medium is disclosed, which medium includes a pair of substrates each having an electrode and colored particles between the pair of substrates, and the colored particles have an absolute electric charge of 0.5 to 4.0 ?C/g.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: June 5, 2012
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Shigeki Takenouchi, Eiichi Sakai, Tatsuya Nagase, Okushi Okuyama, Yukio Hosoya
  • Publication number: 20120135343
    Abstract: Provided is a toner for an electrostatic charge image development having toner particles which contain: a binder resin; a colorant; and a compound represented by Formula (1) in an amount of 0.1 to 65 ppm based on the total weight of the toner particles: wherein R1 and R2 each respectively represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an aryl group.
    Type: Application
    Filed: February 1, 2012
    Publication date: May 31, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Natsuko KUSAKA, Naohiro HIROSE, Tatsuya NAGASE, Hiroyuki YASUKAWA
  • Publication number: 20120128393
    Abstract: 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: Application
    Filed: November 16, 2011
    Publication date: May 24, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Michiyo FUJITA, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO
  • Publication number: 20120122021
    Abstract: 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 the
    Type: Application
    Filed: November 7, 2011
    Publication date: May 17, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Ryuichi HIRAMOTO, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Michiyo FUJITA
  • Publication number: 20120107741
    Abstract: Provided is a method of manufacturing toner by which the toner capable of forming high quality images and reproducing high density gradation, which exhibits an excellent high-temperature offsetting property together with excellent low-temperature fixability, and provides appropriate gloss with respect to images to be formed, can be stably prepared; and also provided is the toner. After conducting a step in which particles made of at least a crystalline polyester resin are coagulated to form core coagulated particles, and an unsaturated amorphous polyester resin particle is attached onto the surface of each of the core coagulated particles to form core-shell type coagulated particles, radical polymerization reaction is conducted by acting a radical polymerization initiator on the foregoing core-shell type coagulated particles to conduct a step in which a layer made of a crosslinking amorphous polyester resin is formed on the surface of each of the core coagulated particles.
    Type: Application
    Filed: October 26, 2011
    Publication date: May 3, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Saburou HIRAOKA, Mikihiko SUKENO, Hajime TADOKORO, Ken OHMURA, Tatsuya NAGASE, Tomomi OSHIBA, Kenji HAYASHI, Tomoko MINE
  • Publication number: 20120100478
    Abstract: A method of producing an electrostatic image developing toner comprising toner particles comprising a binder resin containing at least a non-crystalline polyester resin having a crosslinking structure and a crystalline polyester resin, the method comprising the steps of (a-1) preparing a crystalline polyester resin particle aqueous dispersion liquid; (a-2) preparing a polymerizable unsaturated non-crystalline polyester resin aqueous dispersion liquid; (b) preparing crosslinking non-crystalline polyester resin particles by adding a radical polymerization initiator to the aqueous dispersion liquid of particles containing the non-crystalline polyester resin having a polymerizable unsaturated bond; (c) preparing core particles by aggregating at least the particles containing the crystalline polyester resin in an aqueous medium; and (d) preparing a shell layer containing the non-crystalline polyester resin having a crosslinking structure by fusing the particles containing the non-crystalline polyester resin having
    Type: Application
    Filed: October 13, 2011
    Publication date: April 26, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Mikihiko SUKENO, Hajime TADOKORO, Ken OHMURA, Tatsuya NAGASE, Tomomi OSHIBA, Kenji HAYASHI, Saburou HIRAOKA, Tomoko MINE
  • Publication number: 20120094229
    Abstract: A toner comprising toner particles containing a binder resin comprising a crystalline polyester resin, a non-crystalline polyester resin and an acryl resin having a cross-link structure, and the acryl resin having a cross-link structure has a cross-link site derived from a crosslinking agent represented by the following formula (1): CH2?CR1—C(?O)O—Z—OC(?O)—CR2?CH2??Formula (1) wherein R1 and R2 are each a hydrogen atom or an alkyl group of 1 to 3 carbon atoms, and Z is a hydrocarbon group of 2 to 90 carbon atoms, provided that the hydrocarbon group may include an ether linkage, an ester linkage, a heterocyclic ring or a substituent.
    Type: Application
    Filed: October 12, 2011
    Publication date: April 19, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Tomoko MINE, Mikihiko SUKENO, Hajime TADOKORO, Ken OHMURA, Tatsuya NAGASE, Tomomi OSHIBA, Saburou HIRAOKA
  • Publication number: 20120082493
    Abstract: 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: Application
    Filed: September 23, 2011
    Publication date: April 5, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Yasuko UCHINO, Tatsuya NAGASE, Asao MATSUSHIMA, Aya SHIRAI, Ryuichi HIRAMOTO, Michiyo FUJITA
  • Publication number: 20120064454
    Abstract: A method of producing a toner comprising toner particles containing a binder resin composed of a non-crystalline polyester resin having a crosslinking structure and a crystalline polyester resin is disclosed, the method comparing steps of; a process to form an oil phase liquid by dissolving or dispersing a non-crystalline polyester resin having a polymerizable unsaturated double bond and a crystalline polyester resin in an organic solvent, a process to form an aqueous dispersion liquid of oil droplets of the oil phase liquid by dispersing the oil phase liquid in an aqueous medium, a process to form oil droplets containing the non-crystalline polyester resin having a crosslinking structure by adding a radical polymerization initiator to the aqueous dispersion liquid of oil droplets, and an organic solvent removing process to form toner particles by removing organic solvent.
    Type: Application
    Filed: September 8, 2011
    Publication date: March 15, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Tomomi OSHIBA, Mikihiko SUKENO, Hajime TADOKORO, Ken OHMURA, Tatsuya NAGASE, Kenji HAYASHI, Saburou HIRAOKA, Tomoko MINE
  • Publication number: 20120028175
    Abstract: 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: Application
    Filed: July 18, 2011
    Publication date: February 2, 2012
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Yasuko UCHINO, Tatsuya NAGASE, Asao MATSUSHIMA, Aya SHIRAI, Ryuichi HIRAMOTO, Michiyo FUJITA
  • Patent number: 8049965
    Abstract: Provided is a display member containing: an display layer which exhibits a structural color and contains spherical bodies and a matrix; and a reflective interface which reflects a light transmitting through the display layer, wherein the reflective interface is made between the display layer and a reflective interface forming layer which is provided in contact with the display layer; and a refractive index of the spherical bodies na, a refractive index of the matrix nb and a refractive index of the reflective interface forming layer nc satisfy the following Formulas (1) and (2): 0.35<nc/na<1.00,??Formula (1) 0.35<nc/nb<1.00.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: November 1, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Mitsutoshi Nakamura, Tatsuya Nagase, Motoi Nishimura, Aya Shirai
  • Patent number: 7956147
    Abstract: Disclosed is a method of preparing hollow particles comprising polymerizing a hydrophobic monomer to form a particulate resin exhibiting a number average molecular weight of from 20,000 to 500,000, dispersing the particulate resin in an aqueous medium to form a resin particle dispersion and adding thereto a hydrophobic cross-linkable monomer in an amount of from 0.1 to 50 parts by mass based on 1 part by mass of the particulate resin to polymerize the cross-linkable monomer to form hollow particles.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: June 7, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Aya Shirai, Mitsutoshi Nakamura, Tatsuya Nagase, Motoi Nishimura
  • Publication number: 20110129771
    Abstract: 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: Application
    Filed: November 18, 2010
    Publication date: June 2, 2011
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Michiyo FUJITA, Tatsuya NAGASE, Asao MATSUSHIMA, Yasuko UCHINO, Aya SHIRAI, Ryuichi HIRAMOTO
  • Patent number: 7903323
    Abstract: An image display apparatus comprising two substrates at least one of which is transparent, ribs for maintaining a distance between the substrates and display particles that are sealed between the substrates in a powder state, and displaying an image by generating an electric field between the substrates so that the display particles are moved, wherein of contact faces to the display particles in the gap between the substrates, at least the contact faces of ribs to the display particles have an arithmetic average roughness Ra in a range from 0.01 to 0.20 ?m and an average interval Sm of irregularities in a range from 0.5 to 2.5 ?m.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: March 8, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Satoshi Uchino, Okushi Okuyama, Yukio Hosoya, Hiroyuki Konno, Kouji Shibata, Tatsuya Nagase
  • Patent number: 7879521
    Abstract: An objective is to provide a highly durable carrier for a developer which is capable of forming a high-definition image stably with no deterioration of a developing property since the carrier resistance and the charging ability remain stable even though the developer is used for a long duration; a method of manufacturing the carrier; and an image forming method employing the same. Disclosed is an electrophotographic carrier comprising a carrier core material and provided thereon, a resin-coated layer comprising charge control particles and low-resistive particles, wherein an initial carrier resistance is 5×108-3×1010 ?cm; a concentration of the low-resistive particles grows higher toward a surface of the layer from an inner part of the layer; and a concentration of the charge control particles grows lower toward a surface of the layer from an inner part of the layer.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: February 1, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Hiroyuki Kozuru, Yoshiaki Kobayashi, Tatsuya Nagase