Patents by Inventor Satoshi Tatsuura

Satoshi Tatsuura 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: 20150268613
    Abstract: Provided is an image forming apparatus including a first image forming unit that forms a first image on a front surface of a transported medium with a developer including toners and non-volatile oils, a removing unit that heats non-volatile oils on the front surface of the medium to remove the oils, a second image forming unit that forms a second image on a back surface of the medium with a developer including toners and non-volatile oils, a removing section that heats non-volatile oils on the back surface of the medium to remove the oils, and a fixing unit that fixes the first image and the second image on the front surface and the back surface of the medium.
    Type: Application
    Filed: February 24, 2015
    Publication date: September 24, 2015
    Inventors: Kazunari KOMATSUZAKI, Nobuhiro KATSUTA, Yasushi KAWAHATA, Satoshi TATSUURA, Yutaka NOGAMI, Keitaro MORI
  • Patent number: 9075349
    Abstract: An image forming apparatus includes an image carrier, a charging unit, an electrostatic latent image forming unit, a developing unit that contains a liquid developer containing a toner and a carrier solution and that develops an electrostatic latent image with the liquid developer to form a toner image on the surface of the image carrier, a transfer unit that transfers the toner image onto a recording medium, and a fixing unit that includes at least one pair of first and second rotating members that form a nip between the first and second rotating members. The following condition (A) is satisfied: the amount of the carrier solution on the surface of the toner image is about 0.7 g/m2 or less during passing of the recording medium through the nip of the most-downstream pair of the at least one rotating-member pair in the leading direction of the recording medium.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: July 7, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kazunari Komatsuzaki, Nobuhiro Katsuta, Satoshi Tatsuura, Yutaka Nogami
  • Patent number: 9012119
    Abstract: A liquid developer includes a toner that contains a binder resin and a release agent, and a carrier liquid that has a difference (?SP (tc)) in SP value from the binder resin of from 1.5 to 7.0, wherein the release agent is not eluted in the carrier liquid at a temperature lower than a glass transition temperature of the binder resin.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: April 21, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Keitaro Mori, Satoshi Tatsuura, Yutaka Nogami
  • Publication number: 20150104215
    Abstract: An image forming apparatus includes an electrostatic latent image holding member, a charging device, a latent image forming device, a developing device that stores a liquid developer containing a toner and a non-volatile carrier liquid, and develops the electrostatic latent image formed on the surface of the electrostatic latent image holding member by the liquid developer to form a toner image, a transfer device that transfers the toner image onto a surface of an impermeable recording medium, and a fixing device, wherein when the SP value of the toner is set as SP(t), the SP value of the non-volatile carrier liquid is set as SP(c), and the SP value of the recording medium is set as SP(m), an absolute value of a difference between SP(t) and SP(c) is from 1.5 to 7.0 and the following relational expression (A) is satisfied: |SP(c)?SP(m)|>|SP(t)?SP(m)|.
    Type: Application
    Filed: April 16, 2014
    Publication date: April 16, 2015
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satoshi TATSUURA, Yutaka NOGAMI, Keitaro MORI, Yoshihiro INABA, Takako KOBAYASHI, Daisuke YOSHINO
  • Publication number: 20150016852
    Abstract: Provided is a fixing device, including a fixing unit that fixes a toner image developed by a developer including toner and a carrier liquid to a recording medium, and a preprocessing unit that includes a metallic rotating body that is placed on the toner image side of the recording medium and rotates, a pressure member that includes an elastic layer and pressurizes the recording medium along with the rotating body, and a heating unit that heats the rotating body, the preprocessing unit being placed at the upstream side of the fixing unit in a transport direction of the recording medium, and performing preprocessing by which a portion of the carrier liquid is removed from the recording medium.
    Type: Application
    Filed: February 19, 2014
    Publication date: January 15, 2015
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Nobuhiro KATSUTA, Yutaka NOGAMI, Satoshi TATSUURA, Kazunari KOMATSUZAKI
  • Publication number: 20140376967
    Abstract: An image forming apparatus includes an image carrier, a charging unit, an electrostatic latent image forming unit, a developing unit that contains a liquid developer containing a toner and a carrier solution and that develops an electrostatic latent image with the liquid developer to form a toner image on the surface of the image carrier, a transfer unit that transfers the toner image onto a recording medium, and a fixing unit that includes at least one pair of first and second rotating members that form a nip between the first and second rotating members. The following condition (A) is satisfied: the amount of the carrier solution on the surface of the toner image is about 0.7 g/m2 or less during passing of the recording medium through the nip of the most-downstream pair of the at least one rotating-member pair in the leading direction of the recording medium.
    Type: Application
    Filed: October 31, 2013
    Publication date: December 25, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kazunari KOMATSUZAKI, Nobuhiro KATSUTA, Satoshi TATSUURA, Yutaka NOGAMI
  • Patent number: 8874005
    Abstract: An image forming apparatus includes a developing member that, while rotating, supplies a liquid developer to an image carrier and develops a latent image formed on the image carrier using the liquid developer, a layer-forming device that forms a developer layer, which is a layer formed from the liquid developer, on the developing member, a charging device that charges the developer layer formed on the developing member by the layer-forming device, the charging device being located upstream of the image carrier in a direction of rotation of the developing member, and a heating device that heats the developer layer formed on the developing member by the layer-forming device. The heating device is located upstream of the charging device and downstream of the layer-forming device in the direction of rotation of the developing member.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: October 28, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Satoshi Tatsuura
  • Publication number: 20140295343
    Abstract: A liquid developer includes a toner in which a compound having a charge-accepting functional group has been bonded to a surface of toner particles, and a carrier liquid which makes a charge density of a surface of the toner become 1 ?C/m2 or less when the toner is dispersed in the carrier liquid.
    Type: Application
    Filed: August 13, 2013
    Publication date: October 2, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satoshi TATSUURA, Keitaro MORI, Kazunari KOMATSUZAKI, Yutaka NOGAMI
  • Publication number: 20140287356
    Abstract: A liquid developer includes a toner that contains a binder resin and a release agent, and a carrier liquid that has a difference (?SP (tc)) in SP value from the binder resin of from 1.5 to 7.0, wherein the release agent is not eluted in the carrier liquid at a temperature lower than a glass transition temperature of the binder resin.
    Type: Application
    Filed: August 29, 2013
    Publication date: September 25, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Keitaro MORI, Satoshi TATSUURA, Yutaka NOGAMI
  • Publication number: 20140242512
    Abstract: There is provided a liquid developer containing a toner that has a ratio G? (65)/G?(90) of a storage modulus G? (65) at 65° C. to a storage modulus G? (90) at 90° C. of from 1×103 to 1×105, and a carrier liquid that has a difference ?SP(tc) of SP value between the carrier liquid and the toner of from 1.5 to 7.0, and an image forming apparatus containing an electrostatic latent image holding member, a charging device, a latent image forming device, a developing device, a transfer device and a fixing device.
    Type: Application
    Filed: August 19, 2013
    Publication date: August 28, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satoshi Tatsuura, Keitaro Mori, Nobuhiro Katsuta
  • Publication number: 20140242513
    Abstract: There is provided a liquid developer containing a toner that has a ratio G?(65)/G?(90) of a storage modulus G?(65) at 65° C. to a storage modulus G?(90) at 90° C. of from 1×10 to 1×103, and a carrier liquid that has a difference ?SP(tc) of SP value between the carrier liquid and the toner of from 1.5 to 7.0, and an image forming apparatus containing an electrostatic latent image holding member, a charging device, a latent image forming device, a developing device, a transfer device and a fixing device.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 28, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Satoshi Tatsuura, Keitaro Mori, Nobuhiro Katsuta
  • Patent number: 8790505
    Abstract: The present invention provides a method for manufacturing silver triangular pyramid particles including: forming an electric field in an electrolytic solution including silver ions and a surfactant to reduce the silver ions into silver triangular pyramid particles.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: July 29, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kei Shimotani, Jun Kawahara, Satoshi Tatsuura, Yasuo Yamamoto
  • Patent number: 8526100
    Abstract: The invention provides a display method for displaying an image by deposition of metal fine particles. The display method includes at least depositing metal fine particles, from an electrolytic solution that has at least a metal ion of the metal particles and that is provided between a pair of substrates having at least one translucent substrate, onto a surface of any one of the pair of substrates by imparting one stimulus. A concentration of the metal ion of the metal fine particles in the electrolytic solution after imparting the stimulus is about 200 mmol/l or less. The invention further provides a display device which uses the display method.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: September 3, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Jun Kawahara, Satoshi Tatsuura, Kei Shimotani, Yasuo Yamamoto
  • Publication number: 20130089361
    Abstract: An image forming apparatus includes a developing member that, while rotating, supplies a liquid developer to an image carrier and develops a latent image formed on the image carrier using the liquid developer, a layer-forming device that forms a developer layer, which is a layer formed from the liquid developer, on the developing member, a charging device that charges the developer layer formed on the developing member by the layer-forming device, the charging device being located upstream of the image carrier in a direction of rotation of the developing member, and a heating device that heats the developer layer formed on the developing member by the layer-forming device. The heating device is located upstream of the charging device and downstream of the layer-forming device in the direction of rotation of the developing member.
    Type: Application
    Filed: April 9, 2012
    Publication date: April 11, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Satoshi TATSUURA
  • Patent number: 8405599
    Abstract: An image display medium comprising a pair of substrates, at least one of which is light-transmissive; two or more kinds of particles having different colors and charge polarities, the particles being positioned between the pair of substrates such that the particles can move in response to an electric field generated between the pair of substrates; and an electric charge-retention layer provided at a side of at least one of the pair of substrates.
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: March 26, 2013
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshinori Machida, Satoshi Tatsuura, Masaaki Abe, Daisuke Nakayama, Yoshinori Yamaguchi
  • Patent number: 8300300
    Abstract: A particle for a display includes a colored particle containing a colorant and a polymer having a chargeable group; and a polymer gel layer that covers a surface of the colored particle and contains a polymer gel.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: October 30, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Ryojiro Akashi, Akira Imai, Hiroaki Moriyama, Satoshi Tatsuura, Yoshinori Yamaguchi
  • Patent number: 8174491
    Abstract: An image display medium including a pair of substrates, a transparent dispersion medium, one or more kind of colored particles and larger sized colored particles. The pair of substrates is disposed with a separation therebetween and at least one of the pair of substrates is transparent. The dispersion medium is transparent and enclosed between the pair of substrates. Each kind of the colored particles is colored a predetermined color, is dispersed in the dispersion medium, has predetermined charge characteristics or predetermined magnetic properties, and is able to migrate between the pair of substrates. The larger sized colored particles have a different color and a larger particle size than the colored particles, are disposed so that the colored particles are able to pass through the separation, have charge characteristics or magnetic properties which are different from those of the colored particles, and are able to move.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: May 8, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshinori Machida, Yasufumi Suwabe, Satoshi Tatsuura, Masaaki Abe, Kiyoshi Shigehiro
  • Patent number: 8068090
    Abstract: There is provided an image display medium that includes: a pair of substrates at least one of that is light-transmissive; a liquid enclosed between the substrates; and three or more types of colored particles dispersed in the liquid that move in accordance with electric fields applied between the substrates and have different colors and charge characteristics, wherein at least one type of the colored particles has an opposite polarity from at least one other type of colored particles.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: November 29, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshinori Machida, Kiyoshi Shigehiro, Yasufumi Suwabe, Satoshi Tatsuura, Masaaki Abe
  • Publication number: 20110216393
    Abstract: The invention provides a display method for displaying an image by deposition of metal fine particles. The display method includes at least depositing metal fine particles, from an electrolytic solution that has at least a metal ion of the metal particles and that is provided between a pair of substrates having at least one translucent substrate, onto a surface of any one of the pair of substrates by imparting one stimulus. A concentration of the metal ion of the metal fine particles in the electrolytic solution after imparting the stimulus is about 200 mmol/l or less. The invention further provides a display device which uses the display method.
    Type: Application
    Filed: May 12, 2011
    Publication date: September 8, 2011
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Jun Kawahara, Satoshi Tatsuura, Kei Shimotani, Yasuo Yamamoto
  • Patent number: 7990602
    Abstract: A display medium includes: a pair of substrates; an electrode arranged between the pair of substrates and on one substrate of the pair of substrates; a multilayered structure including plural color-forming layers arranged between one substrate of the pair of substrates and the electrode, each of the plural color-forming layers containing an electroconductive sheet-like porous body and an electrochromic dye which is retained by the porous body and is reversibly colored or decolored by at least one of an electrochemical oxidation reaction or a reduction reaction, and the colors when the electrochromic dyes in the respective plural color-forming layers are colored being different from one another; and an electrolytic material included in a region between the pair of substrates.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: August 2, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Satoshi Tatsuura, Ryojiro Akashi, Naoki Hiji