Patents by Inventor Akihide Osaku

Akihide Osaku 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: 11630401
    Abstract: Providing a laminate having an excellent adhesiveness between a base layer and a surface layer while having a good flexibility. In order to solve the aforementioned problems, the laminate of the present disclosure comprises at least a base layer, an intermediate layer and a surface layer, wherein a base layer composition contains an urethane resin, an intermediate layer composition contains an energy ray curable resin having (meth)acryloyl group in a molecule thereof, and, a non-UV curable resin having only isocyanate group as reactive functional group, and a surface layer composition contains a UV curable resin having the (meth)acryloyl group in the molecule.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: April 18, 2023
    Assignee: Archem Inc.
    Inventors: Takehiro Sano, Akihide Osaku, Manami Gake
  • Publication number: 20200257218
    Abstract: The development roller of the present disclosure includes at least an axis, an elastic layer formed on the axis, and a coating layer formed on the elastic layer, where an adhesive layer is provided between the elastic layer and the coating layer on both ends of the elastic layer in an axial direction of the development roller, the adhesive layer adheres to the elastic layer and the coating layer, and the adhesive layer is a layer obtained by curing a composition for adhesive layer containing a moisture-curable adhesive and a thixotropy-imparting agent.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Akihide Osaku
  • Publication number: 20200166865
    Abstract: A laminate includes, in order, a base layer, an intermediate layer and a surface layer, wherein: the base layer is a polymerized product of a base layer composition containing at least compound A having a (meth)acryloyl group; the intermediate layer is a polymerized product of an intermediate layer composition containing (i) compound B having two or more functional groups, at least one of which being (meth)acryloyl group, and (ii) compound C having two or more functional groups, at least one of which being hydroxyl group; the surface layer is a polymerized product of a surface layer composition containing at least compound D having an isocyanate group; the (meth)acryloyl group in the base layer is bonded to the (meth)acryloyl group in the intermediate layer composition; and the hydroxyl group in the intermediate layer is bonded to the isocyanate group in the surface layer composition.
    Type: Application
    Filed: February 1, 2017
    Publication date: May 28, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Akihide OSAKU, Kaori OKUMOTO
  • Publication number: 20200064754
    Abstract: Providing a laminate having an excellent adhesiveness between a base layer and a surface layer while having a good flexibility. In order to solve the aforementioned problems, the laminate of the present disclosure comprises at least a base layer, an intermediate layer and a surface layer, wherein a base layer composition contains an urethane resin, an intermediate layer composition contains an energy ray curable resin having (meth)acryloyl group in a molecule thereof, and, a non-UV curable resin having only isocyanate group as reactive functional group, and a surface layer composition contains a UV curable resin having the (meth)acryloyl group in the molecule.
    Type: Application
    Filed: March 6, 2018
    Publication date: February 27, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Takehiro SANO, Akihide OSAKU, Manami GAKE
  • Patent number: 10442169
    Abstract: Provided are a laminated body that can improve the adhesive force between the base layer and the surface layer, a conductive roller provided with the laminated body, and a method for manufacturing a laminated body with improved adhesive force between the base layer and the surface layer. The disclosed laminated body includes a base layer and a surface layer formed on the base layer, the base layer includes polyurethane having a (meth)acryloyl group, the surface layer includes a radical curable resin obtained by polymerizing (meth)acrylate that has a (meth)acryloyl group, and the laminated body is formed by the (meth)acryloyl group in the polyurethane reacting with the (meth)acryloyl group in the (meth)acrylate.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: October 15, 2019
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Akihide Osaku, Yusuke Kamijo, Takehiro Sano
  • Publication number: 20170136750
    Abstract: Provided are a laminated body that can improve the adhesive force between the base layer and the surface layer, a conductive roller provided with the laminated body, and a method for manufacturing a laminated body with improved adhesive force between the base layer and the surface layer. The disclosed laminated body includes a base layer and a surface layer formed on the base layer, the base layer includes polyurethane having a (meth)acryloyl group, the surface layer includes a radical curable resin obtained by polymerizing (meth)acrylate that has a (meth)acryloyl group, and the laminated body is formed by the (meth)acryloyl group in the polyurethane reacting with the (meth)acryloyl group in the (meth)acrylate.
    Type: Application
    Filed: June 26, 2015
    Publication date: May 18, 2017
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Akihide OSAKU, Yusuke KAMIJO, Takehiro SANO
  • Patent number: 7820071
    Abstract: A light modulating material comprising at least one kind of dichroic dye having a substituent represented by the following Formula (1) and at least one kind of host liquid crystal between a pair of electrodes, and changing the transmittance of incident light. In the formula (1), Het is oxygen atom or sulfur atom; B1 and B2 each independently represent an arylene group, a heteroarylene group or a bivalent cyclic aliphatic hydrocarbon group; Q1 represents a bivalent linking group; C1 represents an alkyl group, a cycloalkyl group, an alkoxy group, an alkoxycarbonyl group, an acyl group, or an acyloxy group; j represents 0 or 1; p, q and r each independently represent an integer from 0 to 5; n represents an integer from 1 to 3; (p+r)×n is an integer from 3 to 10.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: October 26, 2010
    Assignee: Fujifilm Corporation
    Inventors: Takashi Kato, Koji Takaku, Naoyuki Hayashi, Akihide Osaku
  • Publication number: 20090297735
    Abstract: A light modulating material comprising at least one kind of dichroic dye having a substituent represented by the following Formula (1) and at least one kind of host liquid crystal between a pair of electrodes, and changing the transmittance of incident light. In the formula (1), Het is oxygen atom or sulfur atom; B1 and B2 each independently represent an arylene group, a heteroarylene group or a bivalent cyclic aliphatic hydrocarbon group; Q1 represents a bivalent linking group; C1 represents an alkyl group, a cycloalkyl group, an alkoxy group) an alkoxycarbonyl group, an acyl group, or an acyloxy group; j represents 0 or 1; p, q and r each independently represent an integer from 0 to 5; n represents an integer from 1 to 3; (p+r)×n is an integer from 3 to 10.
    Type: Application
    Filed: December 8, 2006
    Publication date: December 3, 2009
    Applicant: FUJI-FILM CORPORATION
    Inventors: Takashi Kato, Koji Takaku, Naoyuki Hayashi, Akihide Osaku
  • Publication number: 20080146427
    Abstract: An electrical conductive roller comprises a shaft member, an elastic layer disposed on an outer side of the shaft member in a radial direction and at least one resin coating layer disposed on an outer side of the elastic layer in the radial direction, wherein a resin coating layer at least adjacent to the elastic layer is made of a ultraviolet-cured resin formed by curing a paint for the resin coating layer comprising (A) a (metha)acrylate oligomer, (B) a (metha)acrylate monomer and (C) a photopolymerization initiator through irradiation of ultraviolet rays, and having an elongation at break of not less than 80%.
    Type: Application
    Filed: November 13, 2007
    Publication date: June 19, 2008
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Akihide Osaku
  • Patent number: 7354950
    Abstract: A composition includes at least one compound represented by the following Formula (1). In the Formula (1), R1 represents an alkyl group having 1 to 18 carbon atoms, R2 represents a hydrogen atom or a substituent, and R3 represents a substituent, m represents an integer of from 0 to 4, and n represents an integer of from 1 to 5.
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: April 8, 2008
    Assignee: Fujifilm Corporation
    Inventors: Koji Takaku, Akihide Osaku
  • Publication number: 20070194278
    Abstract: A composition includes at least one compound represented by the following Formula (1). In the Formula (1), R1 represents an alkyl group having 1 to 18 carbon atoms, R2 represents a hydrogen atom or a substituent, and R3 represents a substituent. m represents an integer of from 0 to 4, and n represents an integer of from 1 to 5.
    Type: Application
    Filed: February 21, 2007
    Publication date: August 23, 2007
    Inventors: Koji Takaku, Akihide Osaku