Patents by Inventor Kousaku Yoshimura

Kousaku Yoshimura 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).

  • Patent number: 9733586
    Abstract: A resin composite particle includes a continuous phase formed of a polyester resin, and a dispersed phase formed of a vinyl resin and dispersed in the continuous phase, the volume average particle diameter of the resin composite particles being from 50 nm to 1,000 nm.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: August 15, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kousaku Yoshimura, Tomohiro Shinya, Kiyohiro Yamanaka, Shinpei Takagi
  • Publication number: 20170137669
    Abstract: In one embodiment, the invention can be a method for applying a security tag, the method including a cutting a portion of a top layer of a product packaging, the cutting comprising making cuts that form a closed shape, the cutting causing a break in the top layer that exposes a second layer of the product packaging; and adhering, via an adhesive, a security tag over the cut portion, the adhesive penetrating into the break in the top layer to contact the exposed second layer; wherein, upon removal of the security tag from the product packaging, a section of the cut portion of the top layer is removed from the product packaging.
    Type: Application
    Filed: November 18, 2015
    Publication date: May 18, 2017
    Inventors: George West, Seth Strauser, Takeshi Matsumoto, Kousaku Yoshimura
  • Publication number: 20170052466
    Abstract: A resin composite particle includes a continuous phase formed of a polyester resin, and a dispersed phase formed of a vinyl resin and dispersed in the continuous phase, the volume average particle diameter of the resin composite particles being from 50 nm to 1,000 nm.
    Type: Application
    Filed: February 8, 2016
    Publication date: February 23, 2017
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Kousaku YOSHIMURA, Tomohiro SHINYA, Kiyohiro YAMANAKA, Shinpei TAKAGI
  • Patent number: 8628903
    Abstract: An electrostatic charge image developing toner includes: a polyester resin containing a graft copolymer, the graft copolymer being formed with a polyester skeleton as a main chain and block copolymers containing a styrene-based polymer block and a crystalline acrylate-based polymer block. The styrene-based polymer block is grafted onto the polyester skeleton.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: January 14, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hideo Maehata, Fumiaki Mera, Kousaku Yoshimura
  • Publication number: 20130017481
    Abstract: An electrostatic charge image developing toner includes: a polyester resin containing a graft copolymer, the graft copolymer being formed with a polyester skeleton as a main chain and block copolymers containing a styrene-based polymer block and a crystalline acrylate-based polymer block. The styrene-based polymer block is grafted onto the polyester skeleton.
    Type: Application
    Filed: January 30, 2012
    Publication date: January 17, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hideo MAEHATA, Fumiaki MERA, Kousaku YOSHIMURA
  • Publication number: 20110076466
    Abstract: The present invention provides a toner composition for electrostatic photography, including a reactive compound A having a reactive group XA, and a reactive compound B having a reactive group XB that is capable of reacting with the reactive group XA and forming a bond, wherein the reactive compound B is capable of forming a three-dimensionally bonded structure by reacting with the reactive compound A, and wherein the toner composition includes the reactive compound A and the reactive compound B in a mutually isolated state. Preferably, the reactive compounds respectively have two or more reaction sites, and any one of the compounds has three or more reaction sites.
    Type: Application
    Filed: September 29, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Hisashi OKAMURA, Kousaku YOSHIMURA, Takafumi HOSOKAWA
  • Publication number: 20090291236
    Abstract: The present invention provides a method for producing shape-anisotropic metal particles having at least reducing a metal compound in the presence of a polymer dispersant which has a mercapto group within its molecule. The present invention further provides a coloring composition which is obtained by disposing the shape-anisotropic metal particles in a solvent having an SP value of 25.8 MPa1/2 or less, the shape-anisotropic metal particles being produced by a method.
    Type: Application
    Filed: October 18, 2006
    Publication date: November 26, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Misato Sasada, Kousaku Yoshimura
  • Patent number: 7604338
    Abstract: An ink jet recording method for recording on an ink jet recording medium including a support and a colorant receiving layer provided on the support having a porous structure containing at least polymer fine particles, using an ink composition including a colored fine particle dispersion containing at least one kind of hydrophobic dye, at least one kind of hydrophobic polymer and at least one kind of organic solvent having a high boiling point, wherein a void volume per unit thickness (A/B) of the colorant receiving layer calculated by dividing a void volume A (×10?5 ml/cm2) of the colorant receiving layer at a void diameter equal to a particle size of the polymer fine particles obtained from a pore distribution curve by a nitrogen gas adsorption method, by a dry film thickness B (?m) of the colorant receiving layer is 2.0 (×10?5 ml/cm2/?m) or more.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: October 20, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Kenji Ikeda, Kousaku Yoshimura
  • Patent number: 7217447
    Abstract: An ink-jet recording sheet including a color material receiving layer on a substrate. The color material receiving layer contains a compound represented by the following general formula (I), In the general formula (I), R1 and R2 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, —COR3, —COOR4, —SO2—R5, or —N(R6)R7. R3 and R5 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, or —N(R8)R9. R4 represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group. R6 to R9 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, an acyl group, an alkoxy carbony group, an aryloxy carbonyl group, a carbamoyl group, an alkyl sulfonyl group, an aryl sulfonyl group, or a sulfamoyl group. R1 and R2 may link with each other so as to form a ring.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: May 15, 2007
    Assignee: Fujifilm Corporation
    Inventors: Masanobu Takashima, Kozo Nagata, Hisao Yamada, Kazuyuki Koike, Kousaku Yoshimura
  • Patent number: 7128413
    Abstract: To provide an ink-jet recording medium that can absorb inks satisfactorily and exhibits high print density, minimized bleeding with time and satisfactory light resistance, an ink-jet recording medium includes a support; and an ink receiving layer which is disposed on the support, contains at least fine polymer particles and has a porous structure. The ink receiving layer has a pore volume per unit thickness (A/B) of 2.0×10?5 ml/cm2/?m or more, where A is the pore volume (×10?5 ml/cm2) in the ink receiving layer at a pore diameter equal to the average particle diameter of the fine polymer particles, which pore volume is determined based on a pore distribution curve obtained according to a nitrogen gas adsorption technique; and B is the dry thickness (?m) of the ink receiving layer.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: October 31, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kousaku Yoshimura, Masanobu Takashima
  • Publication number: 20040207702
    Abstract: An ink jet recording method for recording on an ink jet recording medium including a support and a colorant receiving layer provided on the support having a porous structure containing at least polymer fine particles, using an ink composition including a colored fine particle dispersion containing at least one kind of hydrophobic dye, at least one kind of hydrophobic polymer and at least one kind of organic solvent having a high boiling point, wherein a void volume per unit thickness (A/B) of the colorant receiving layer calculated by dividing a void volume A (×10−5 ml/cm2) of the colorant receiving layer at a void diameter equal to a particle size of the polymer fine particles obtained from a pore distribution curve by a nitrogen gas adsorption method, by a dry film thickness B (&mgr;m) of the colorant receiving layer is 2.0 (×10−5 ml/cm2/&mgr;m) or more.
    Type: Application
    Filed: April 15, 2004
    Publication date: October 21, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Kenji Ikeda, Kousaku Yoshimura
  • Publication number: 20040202837
    Abstract: An ink-jet recording sheet including a color material receiving layer on a substrate.
    Type: Application
    Filed: October 22, 2002
    Publication date: October 14, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Masanobu Takashima, Kozo Nagata, Hisao Yamada, Kazuyuki Koike, Kousaku Yoshimura
  • Patent number: 6743850
    Abstract: Provided are a new cationic polymer and an inkjet recording sheet exhibiting a superior printing density of an image without lowering ink receptivity. A cationic polymer represented by the following general formula (A): An inkjet recording sheet, that has, on a substrate, a colorant-accepting layer containing cationic polymer modified inorganic pigment particles, which are obtained by bonding inorganic pigment particles to a cationic polymer having, at its terminal, a group that can be bonded to the inorganic pigment particles.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: June 1, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kousaku Yoshimura, Ryoichi Nakano, Shigetomo Tsujihata
  • Publication number: 20040086666
    Abstract: To provide an ink-jet recording medium that can absorb inks satisfactorily and exhibits high print density, minimized bleeding with time and satisfactory light resistance, an ink-jet recording medium includes a support; and an ink receiving layer which is disposed on the support, contains at least fine polymer particles and has a porous structure. The ink receiving layer has a pore volume per unit thickness (A/B) of 2.0×10−5 ml/cm2/&mgr;m or more, where A is the pore volume (×10−5 ml/cm2) in the ink receiving layer at a pore diameter equal to the average particle diameter of the fine polymer particles, which pore volume is determined based on a pore distribution curve obtained according to a nitrogen gas adsorption technique; and B is the dry thickness (&mgr;m) of the ink receiving layer.
    Type: Application
    Filed: September 16, 2003
    Publication date: May 6, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Kousaku Yoshimura, Masanobu Takashima
  • Publication number: 20030118791
    Abstract: Provided are a new cationic polymer and an inkjet recording sheet exhibiting a superior printing density of an image without lowering ink receptivity.
    Type: Application
    Filed: October 24, 2002
    Publication date: June 26, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Kousaku Yoshimura, Ryoichi Nakano, Shigetomo Tsujihata
  • Publication number: 20010002415
    Abstract: A colored photosensitive composition is composed of a pigment composition, a binder polymer having an acidic group, a multi-functional monomer having at least two ethylenic unsaturated double bonds, and a photopolymerization initiator. The pigment composition is composed of an organic pigment, a dispersant, and an organic solvent. The dispersant is a copolymer of a polymerizable oligomer having an ethylenic unsaturated double bond in its terminal position and one or more monomers at least one of which has a nitrogen-containing group and an ethylenic unsaturated double bond.
    Type: Application
    Filed: January 2, 2001
    Publication date: May 31, 2001
    Inventors: Akihiko Takeda, Shinichiro Morimoto, Kousaku Yoshimura
  • Patent number: 6194480
    Abstract: A colored photosensitive composition is composed of a pigment composition, a binder polymer having an acidic group, a multi-functional monomer having at least two ethylenic unsaturated double bonds, and a photopolymerization initiator. The pigment composition is composed of an organic pigment, a dispersant, and an organic solvent. The dispersant is a copolymer of a polymerizable oligomer having an ethylenic unsaturated double bond in its terminal position and one or more monomers at least one of which has a nitrogen-containing group and an ethylenic unsaturated double bond.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: February 27, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akihiko Takeda, Shinichiro Morimoto, Kousaku Yoshimura