Patents by Inventor Tetsufumi Takamoto
Tetsufumi Takamoto 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: 10336873Abstract: A functional polymer membrane of the present invention contains a polymer containing at least a structure represented by the following Formula (I), a method for producing the membrane, and an ion exchange apparatus: wherein R1 and R2 each represent a hydrogen atom or an alkyl group; R3 to R6 each represent a substituent; R3 to R6 may be bonded to each other and form a ring; A1 to A4 each represent a single bond or a divalent linking group; M1 represents a hydrogen ion, an organic base ion, or a metal ion; J1 represents a single bond, —O—, —S—, —SO2—, —CO—, —CR8R9—, or an alkenylene group, and R8 and R9 each represent a hydrogen atom, an alkyl group, or a halogen atom; and k1, k2, k3, k4, n1, n2, m1, m2, p, and q each represent a particular integer.Type: GrantFiled: August 14, 2015Date of Patent: July 2, 2019Assignee: FUJIFILM CorporationInventors: Satoshi Sano, Keisuke Kodama, Tetsufumi Takamoto
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Patent number: 10112151Abstract: A functional polymer membrane including a porous support and a crosslinked polymer electrolyte, in which the film thickness of the functional polymer membrane is smaller than 100 ?m, the crosslinked polymer electrolyte is a crosslinked polymer formed by subjecting a composition including a monomer having a (meth)acrylamide skeleton to a polymerization curing reaction, and the proportion of elemental oxygen in the elemental composition excluding elemental hydrogen and helium at the surface of the porous support is from 14.0 atom % to 25.0 atom %; and a method for producing the same are provided.Type: GrantFiled: August 26, 2016Date of Patent: October 30, 2018Assignee: FUJIFILM CorporationInventors: Tetsufumi Takamoto, Kuniyuki Kaminaga
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Patent number: 9850147Abstract: A functional polymer membrane having a pore volume fraction of 0.6% or more and 3.0% or less by allowing a reaction of curing a composition containing a polymerizable compound (A) and a copolymerizable monomer (B).Type: GrantFiled: March 25, 2015Date of Patent: December 26, 2017Assignee: FUJIFILM CorporationInventors: Tetsufumi Takamoto, Akihito Amao, Nagisa Toihara, Morihito Ikeda, Satoshi Sano, Keisuke Kodama
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Patent number: 9790338Abstract: An ion exchange membrane obtained by using an ionic monomer having at least two or more polymerizable functional groups, in which a hydrophobicity index H obtained by an expression below from a monomer for forming an ion exchange resin and a material fixed to the resin in the ion exchange membrane is 1.6 or greater, and a manufacturing method therefor. Hydrophobicity index H=?{(log P of each component)×(molar ratio of each material in resin)}.Type: GrantFiled: August 26, 2016Date of Patent: October 17, 2017Assignee: FUJIFILM CorporationInventors: Kuniyuki Kaminaga, Tetsufumi Takamoto, Keisuke Kodama, Kazuomi Inoue
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Publication number: 20170152362Abstract: Provided is a functional polymer membrane including a porous support; and a resin layer and an auxiliary layer which are supported by the porous support, in which both of the resin layer and the auxiliary layer contain an ion exchange polymer having one of an anion exchange group and a cation exchange group, a charge of the ion exchange group of the ion exchange polymer included in the resin layer is opposite to a charge of the ion exchange group of the ion exchange polymer included in the auxiliary layer, and both of the ion exchange polymers respectively included in the resin layer and the auxiliary layer are polymers having a unit obtained from an acryloyl group which may have an alkyl group at the ?-position; a stack or a device provided with a functional polymer membrane; and a method of producing, a functional polymer membrane.Type: ApplicationFiled: February 13, 2017Publication date: June 1, 2017Applicant: FUJIFILM CorporationInventors: Motoi HARADA, Tetsufumi TAKAMOTO
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Publication number: 20170152361Abstract: Provided are a functional polymer membrane including: a surface layer; and an anion exchange membrane or a cation exchange membrane, in which the surface layer contains a polymer which includes a cross-linked structure having, in a cross-linking unit, an ionic group with a charge opposite to a charge of an ionic group included in at least one of the anion exchange membrane or the cation exchange membrane; a production method thereof, and a stack or a device provided with a polymer functional membrane.Type: ApplicationFiled: February 13, 2017Publication date: June 1, 2017Applicant: FUJIFILM CorporationInventors: Motoi HARADA, Tetsufumi TAKAMOTO
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Publication number: 20160362526Abstract: An ion exchange membrane obtained by using an ionic monomer having at least two or more polymerizable functional groups, in which a hydrophobicity index H obtained by an expression below from a monomer for forming an ion exchange resin and a material fixed to the resin in the ion exchange membrane is 1.6 or greater, and a manufacturing method therefor.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Applicant: FUJIFILM CorporationInventors: Kuniyuki KAMINAGA, Tetsufumi TAKAMOTO, Keisuke KODAMA, Kazuomi INOUE
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Publication number: 20160361690Abstract: A functional polymer membrane including a porous support and a crosslinked polymer electrolyte, in which the film thickness of the functional polymer membrane is smaller than 100 ?m, the crosslinked polymer electrolyte is a crosslinked polymer formed by subjecting a composition including a monomer having a (meth)acrylamide skeleton to a polymerization curing reaction, and the proportion of elemental oxygen in the elemental composition excluding elemental hydrogen and helium at the surface of the porous support is from 14.0 atom % to 25.0 atom %; and a method for producing the same are provided.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Applicant: FUJIFILM CorporationInventors: Tetsufumi TAKAMOTO, Kuniyuki KAMINAGA
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Patent number: 9441083Abstract: A functional polymer membrane, prepared by curing a composition comprising a polymerizable compound (A) represented by Formula (1) and a monofunctional polymerizable compound (B): wherein R1 represents a hydrogen atom or a methyl group; Q represents a polyol residue formed by removing m2 hydrogen atoms from hydroxyl groups of a trivalent to hexavalent polyol; L represents a divalent linking group; m1 represents 0 or 1; m2 represents an integer of from 3 to 6, and wherein the monofunctional polymerizable compound (B) is a (meth)acrylate compound, a (meth)acrylamide compound, a vinyl ether compound, an aromatic vinyl compound, an N-vinyl compound, or an allyl compound.Type: GrantFiled: March 26, 2015Date of Patent: September 13, 2016Assignee: FUJIFILM CorporationInventors: Tetsufumi Takamoto, Akihito Amao, Wakana Yamada
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Publication number: 20150353721Abstract: The present invention provide a polymer functional film having a structure represented by the following Formula (I) and having a water content of 20% by mass to 50% by mass, and a method for producing the same:Type: ApplicationFiled: August 14, 2015Publication date: December 10, 2015Applicant: FUJIFILM CORPORATIONInventors: Tetsufumi TAKAMOTO, Keisuke KODAMA, Wakana YAMADA, Kuniyuki KAMINAGA
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Publication number: 20150353696Abstract: A functional polymer membrane of the present invention contains a polymer containing at least a structure represented by the following Formula (I), a method for producing the membrane, and an ion exchange apparatus: wherein R1 and R2 each represent a hydrogen atom or an alkyl group; R3 to R6 each represent a substituent; R3 to R6 may be bonded to each other and form a ring; A1 to A4 each represent a single bond or a divalent linking group; M1 represents a hydrogen ion, an organic base ion, or a metal ion; J1 represents a single bond, —O—, —S—, —SO2—, —CO—, —CR8R9—, or an alkenylene group, and R8 and R9 each represent a hydrogen atom, an alkyl group, or a halogen atom; and k1, k2, k3, k4, n1, n2, m1, m2, p, and q each represent a particular integer.Type: ApplicationFiled: August 14, 2015Publication date: December 10, 2015Applicant: FUJIFILM CORPORATIONInventors: Satoshi SANO, Keisuke KODAMA, Tetsufumi TAKAMOTO
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Publication number: 20150259488Abstract: A functional polymer membrane, prepared by curing a composition comprising a polymerizable compound (A) represented by Formula (1) and a monofunctional polymerizable compound (B): wherein R1 represents a hydrogen atom or a methyl group; Q represents a polyol residue formed by removing m2 hydrogen atoms from hydroxyl groups of a trivalent to hexavalent polyol; L represents a divalent linking group; m1 represents 0 or 1; m2 represents an integer of from 3 to 6.Type: ApplicationFiled: March 26, 2015Publication date: September 17, 2015Applicant: FUJIFILM CORPORATIONInventors: Tetsufumi TAKAMOTO, Akihito AMAO, Wakana YAMADA
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Publication number: 20150259227Abstract: A functional polymer membrane having a pore volume fraction of 0.6% or more and 3.0% or less by allowing a reaction of curing a composition containing a polymerizable compound (A) and a copolymerizable monomer (B).Type: ApplicationFiled: March 25, 2015Publication date: September 17, 2015Applicant: FUJIFILM CORPORATIONInventors: Tetsufumi TAKAMOTO, Akihito AMAO, Nagisa TOIHARA, Morihito IKEDA, Satoshi SANO, Keisuke KODAMA
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Patent number: 7829609Abstract: A composition comprising an organic crystal having a minor axis length of from 3 to 100 nm and a major axis length of from 10 to 2,000 nm and a matrix material, wherein the organic crystal satisfies that (1) a surfactant is adsorbed on the organic crystal, (2) an inorganic ion is adsorbed on the organic crystal, (3) silicon oxide, titanium oxide, aluminum oxide, zirconium oxide, barium oxide or hydroxyapatite is bonded with the organic crystal, or (4) the organic crystal is modified with a group represented by the following formula (1): wherein L1 represents —O—, —S—, —CO— or others, n is 0 to 4, and R1 represents an organic group.Type: GrantFiled: July 25, 2008Date of Patent: November 9, 2010Assignee: FUJIFILM CorporationInventors: Tetsufumi Takamoto, Takahiro Ishizuka, Shohei Kataoka
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Patent number: 7608309Abstract: A resin composition containing a polymer comprising a repeating unit having a spiro structure and/or a cardo structure. The resin composition has superior heat resistance and is utilized to produce an optical film and an image display.Type: GrantFiled: March 24, 2005Date of Patent: October 27, 2009Assignee: Fujifilm CorporationInventors: Tetsufumi Takamoto, Seiya Sakurai
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Publication number: 20090029169Abstract: A composition comprising an organic crystal having a minor axis length of from 3 to 100 nm and a major axis length of from 10 to 2,000 nm and a matrix material, wherein the organic crystal satisfies that (1) a surfactant is adsorbed on the organic crystal, (2) an inorganic ion is adsorbed on the organic crystal, (3) silicon oxide, titanium oxide, aluminum oxide, zirconium oxide, barium oxide or hydroxyapatite is bonded with the organic crystal, or (4) the organic crystal is modified with a group represented by the following formula (1): wherein L1 represents —O—, —S—, —CO— or others, n is 0 to 4, and R1 represents an organic group.Type: ApplicationFiled: July 25, 2008Publication date: January 29, 2009Applicant: FUJIFILM CorporationInventors: Tetsufumi Takamoto, Takahiro Ishizuka, Shohei Kataoka
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Publication number: 20060036059Abstract: A resin composition containing a polymer comprising a repeating unit having a spiro structure and/or a cardo structure. The resin composition has superior heat resistance and is utilized to produce an optical film and an image display.Type: ApplicationFiled: March 24, 2005Publication date: February 16, 2006Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Tetsufumi Takamoto, Seiya Sakurai
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Resin composition, and optical component, plastic lens and plastic film substrate utilizing the same
Publication number: 20050203257Abstract: A resin composition containing a polymer comprising a chemical structure represented by the following formula (1) in a main chain of the polymer: wherein, in the formula (1), R1 to R4 independently represent hydrogen atom or a substituent, R5 and R6 independently represent a substituent, m and n represent an integer of 0 to 4, and when m and/or n is 2 or larger, R5 and/or R6 may be the same or different, and R5 or R6 may bond to each other to form a 5- to 7-membered ring, which has superior heat resistance, optical characteristics and mechanical characteristics, as well as a plastic film substrate utilizing the resin composition, a transparent conductive film substrate and flat panel display utilizing the plastic film substrate.Type: ApplicationFiled: February 14, 2005Publication date: September 15, 2005Applicant: Fuji Photo Film Co., Ltd.Inventors: Osamu Uchida, Tetsufumi Takamoto