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).
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Patent number: 11630401Abstract: 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: GrantFiled: March 6, 2018Date of Patent: April 18, 2023Assignee: Archem Inc.Inventors: Takehiro Sano, Akihide Osaku, Manami Gake
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Publication number: 20200257218Abstract: 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: ApplicationFiled: April 24, 2020Publication date: August 13, 2020Applicant: BRIDGESTONE CORPORATIONInventor: Akihide Osaku
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Publication number: 20200166865Abstract: 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: ApplicationFiled: February 1, 2017Publication date: May 28, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Akihide OSAKU, Kaori OKUMOTO
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Publication number: 20200064754Abstract: 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: ApplicationFiled: March 6, 2018Publication date: February 27, 2020Applicant: BRIDGESTONE CORPORATIONInventors: Takehiro SANO, Akihide OSAKU, Manami GAKE
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Patent number: 10442169Abstract: 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: GrantFiled: June 26, 2015Date of Patent: October 15, 2019Assignee: BRIDGESTONE CORPORATIONInventors: Akihide Osaku, Yusuke Kamijo, Takehiro Sano
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Publication number: 20170136750Abstract: 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: ApplicationFiled: June 26, 2015Publication date: May 18, 2017Applicant: BRIDGESTONE CORPORATIONInventors: Akihide OSAKU, Yusuke KAMIJO, Takehiro SANO
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Patent number: 7820071Abstract: 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: GrantFiled: December 8, 2006Date of Patent: October 26, 2010Assignee: Fujifilm CorporationInventors: Takashi Kato, Koji Takaku, Naoyuki Hayashi, Akihide Osaku
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Publication number: 20090297735Abstract: 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: ApplicationFiled: December 8, 2006Publication date: December 3, 2009Applicant: FUJI-FILM CORPORATIONInventors: Takashi Kato, Koji Takaku, Naoyuki Hayashi, Akihide Osaku
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Publication number: 20080146427Abstract: 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: ApplicationFiled: November 13, 2007Publication date: June 19, 2008Applicant: BRIDGESTONE CORPORATIONInventor: Akihide Osaku
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Patent number: 7354950Abstract: 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: GrantFiled: February 21, 2007Date of Patent: April 8, 2008Assignee: Fujifilm CorporationInventors: Koji Takaku, Akihide Osaku
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Publication number: 20070194278Abstract: 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: ApplicationFiled: February 21, 2007Publication date: August 23, 2007Inventors: Koji Takaku, Akihide Osaku