Patents by Inventor Syuji Okamoto
Syuji Okamoto 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: 20200216723Abstract: An object of the present invention is to provide an adhesive composition and an adhesive sheet that are stably dissolved or dispersed in a solvent or a dispersion medium having low polarity, have high total light transmittance and have high-function antistatic properties. An adhesive composition including (A) an adhesive polymer comprising repeated structures which consist of one or more kinds of (meth)acryl-based, urethane-based, silicone-based and polyolefin-based unit structures, (B) a conductive polymer complex including a conjugated polymer, and a polyanion having a block copolymer structure, and (C) a nonaqueous solvent or dispersion medium, in which the conductive polymer complex is contained by 0.1 parts by mass or higher and lower than 10 parts by mass relative to 100 parts by mass of the adhesive polymer.Type: ApplicationFiled: August 10, 2017Publication date: July 9, 2020Inventors: Tomohiro MIYAZAKI, Kento WATANABE, Syuji OKAMOTO, Wilfried LĂ–VENICH, Armin SAUTTER, Tetsuya SUZUKI
-
Patent number: 9296921Abstract: A conductive polymer composition which can be homogeneously dissolved in a solvent and can form a smooth film. The conductive polymer composition is a conductive polymer composition comprising a polymer compound (A) and a ?-conjugated polymer (?), wherein the polymer compound (A) is a polymer compound obtained by polymerizing 10 to 50% by mol of a monomer (a-1) having a sulfonic acid group or a sulfonate group, 10 to 90% by mol of a monomer (a-2) having chelating ability and 0 to 70% by mol of other monomer (a-3), and the ?-conjugated polymer (?) is a ?-conjugated polymer obtained by polymerizing at least one monomer selected from monomers represented by the following formulas (I) to (III).Type: GrantFiled: July 7, 2010Date of Patent: March 29, 2016Assignee: Soken Chemical & Engineering Co., Ltd.Inventors: Syuji Okamoto, Fumiaki Kobayashi
-
Patent number: 8957181Abstract: A preparation process for a cyclic conjugated polymer, includes the steps of deprotonating a monohalogenated cyclic conjugated compound of a 5- to 7-membered ring using a deprotonation catalyst comprising secondary amine represented by R1NHR2 (R1 and R2 are the same or different and are each a branched or cyclic alkyl group of 1 to 15 carbon atoms or a phenyl group) and a Grignard reagent represented by R3MgX (X is a halogen atom selected from chlorine, bromine and iodine, and R3 is a straight-chain or branched alkyl group of 1 to 6 carbon atoms) and polymerizing the deprotonated monohalogenated cyclic conjugated compound.Type: GrantFiled: May 21, 2012Date of Patent: February 17, 2015Assignees: Soken Chemical & Engineering Co., Ltd., National University Corporation Kobe UniversityInventors: Syuji Okamoto, Hikaru Meguro, Atsunori Mori
-
Publication number: 20140107303Abstract: A preparation process for a cyclic conjugated polymer, includes the steps of deprotonating a monohalogenated cyclic conjugated compound of a 5- to 7-membered ring using a deprotonation catalyst comprising secondary amine represented by R1NHR2 (R1 and R2 are the same or different and are each a branched or cyclic alkyl group of 1 to 15 carbon atoms or a phenyl group) and a Grignard reagent represented by R3MgX (X is a halogen atom selected from chlorine, bromine and iodine, and R3 is a straight-chain or branched alkyl group of 1 to 6 carbon atoms) and polymerizing the deprotonated monohalogenated cyclic conjugated compound.Type: ApplicationFiled: May 21, 2012Publication date: April 17, 2014Applicants: National University Corporation Kobe University, Soken Chemical & Engineering Co., Ltd.Inventors: Syuji Okamoto, Hikaru Meguro, Atsunori Mori
-
Publication number: 20120302720Abstract: Provided is a novel polyazomethine which is soluble in relatively versatile organic solvents including hydrophobic solvents such as toluene, alcohol solvents such as methanol and ethanol, glycol solvents such as propylene glycol monomethyl ether, and ester solvents such as methyl lactate, while securing carrier mobility sufficient for a semiconductor material. The polyazomethine is a repeating unit that contains a divalent aromatic ring-containing conjugated group wherein an azomethine group and a divalent aromatic group which may have a substituent are alternately bonded and conjugated and a divalent hydrocarbon group which may have a group that is not conjugated with the azomethine group and has an oxygen atom, a sulfur atom or a cycloalkylene group, with the aromatic ring-containing conjugated group and the hydrocarbon group being bonded with each other via the azomethine group.Type: ApplicationFiled: February 15, 2011Publication date: November 29, 2012Applicant: SOKEN CHEMICAL & ENGINEERING CO., LTD.Inventors: Syuji Okamoto, Hikaru Meguro
-
Publication number: 20120104308Abstract: A composition for a solid electrolyte includes a polymer compound (A) and a charge transfer material. The polymer compound (A) is obtained by polymerizing a monomer (a) comprising a monomer (a-2) having chelating ability. The charge transfer material is preferably a carbon material and/or a ?-conjugated polymer (?). When a polymer electrolyte layer of a dye-sensitized solar cell is formed from the above solid electrolyte, efficient charge transfer and sufficient charge life can be reconciled with each other.Type: ApplicationFiled: July 7, 2010Publication date: May 3, 2012Applicant: Soken Chemical & Engineering Co., Ltd.Inventors: Syuji Okamoto, Fumiaki Kobayashi
-
Publication number: 20120097900Abstract: A conductive polymer composition which can be homogeneously dissolved in a solvent and can form a smooth film. The conductive polymer composition is a conductive polymer composition comprising a polymer compound (A) and a ?-conjugated polymer (?), wherein the polymer compound (A) is a polymer compound obtained by polymerizing 10 to 50% by mol of a monomer (a-1) having a sulfonic acid group or a sulfonate group, 10 to 90% by mol of a monomer (a-2) having chelating ability and 0 to 70% by mol of other monomer (a-3), and the ?-conjugated polymer (?) is a ?-conjugated polymer obtained by polymerizing at least one monomer selected from monomers represented by the following formulas (I) to (III).Type: ApplicationFiled: July 7, 2010Publication date: April 26, 2012Applicant: SOKEN CHEMICAL & ENGINEERING CO., LTD.Inventors: Syuji Okamoto, Fumiaki Kobayashi
-
Publication number: 20100282308Abstract: A dye-sensitized solar cell includes a transparent substrate, a light-transmitting electrode, a metal oxide layer loaded with a dye, an electrolyte polymer layer, a counter electrode and a counter electrode substrate which are laminated in this order, and is characterized in that the electrolyte polymer layer is a solid-state layer containing a conductive polymer (A) doped with a doping agent and an ionic compound (B) mutually substitutable with a dopant ion species of the doping agent. Accordingly, light can be directly and stably converted into electricity for a long period of time, and a change of the conversion efficiency with time is small.Type: ApplicationFiled: June 6, 2008Publication date: November 11, 2010Applicant: SOKEN CHEMICAL & ENGINEERING CO., LTD.Inventor: Syuji Okamoto
-
Publication number: 20090018277Abstract: Disclosed is a resin composition composed of a heat-treated resin component (A) obtained by heating and mixing an aromatic imide resin or an aromatic imidazole resin with a carboxylic acid anhydride, and a silane compound (B) having at least one functional group selected from the group consisting of an epoxy group, an amino group, an amide group, a methoxy group, an isocyanate group, a carboxyl group, a mercapto group, a vinyl group, a (poly)sulfide group and a methacrylo group. This resin composition has excellent heat resistance of aromatic imide resins and aromatic imidazole resins while being remarkably improved in adhesion to various bases.Type: ApplicationFiled: May 1, 2006Publication date: January 15, 2009Applicant: SOKEN CHEMICAL & ENGINEERING CO., LTD.Inventors: Syuji Okamoto, Hiroto Matsumoto, Jun Izumi
-
Patent number: 7169867Abstract: A catalyst for bulk polymerization of a polymerizable unsaturated compound of the invention comprises a compound having at least one thiol group and a secondary hydroxyl group and represented by the following formula (I): wherein R1 to R5 are each a hydrogen atom or an alkyl group, and R6 is a hydroxyl group, an alkyl group or the like. Also a process for bulk polymerization of the invention comprises polymerizing a polymerizable unsaturated compound in an inert gas atmosphere substantially in the absence of a solvent using, as a catalyst, a compound having at least one thiol group and a secondary hydroxyl group and represented by the above formula (I). According to the catalyst or the process of the invention, bulk polymerization can be carried out in one-component catalyst system in a high yield without suffering a runaway reaction.Type: GrantFiled: February 28, 2005Date of Patent: January 30, 2007Assignee: Soken Chemical & Engineering Co., Ltd.Inventors: Syuji Okamoto, Hiroshi Ueno
-
Publication number: 20060199915Abstract: A modified cycloolefin copolymer is obtained by chemical modification of a base polymer being a cycloolefin copolymer with ethylene chains, through addition of a modifier compound having a functional group and a hydrogen-donating group or having a functional group and an alkyl halide group, wherein: the functional group is added at a stoichiometric percentage of 20 to 90% of all the replaceable hydrogen atoms in ethylene chains and main-chain cycloolefin chains of the base polymer; and the distribution degree of the functional group-modified cycloolefin copolymer in the base polymer is in the range of 0.01 to 0.1 as expressed in distribution correlation coefficient (DR) defined by the relation (1) below. (DR)=[(RI)?(UV)]2 . . .Type: ApplicationFiled: December 24, 2003Publication date: September 7, 2006Applicant: SOKEN CHEMICAL & ENGINEERING CO., LTD.Inventors: Jun Izumi, Syuji Okamoto
-
Publication number: 20050143545Abstract: A catalyst for bulk polymerization of a polymerizable unsaturated compound of the invention comprises a compound having at least one thiol group and a secondary hydroxyl group and represented by the following formula (I): wherein R1 to R5 are each a hydrogen atom or an alkyl group, and R6 is a hydroxyl group, an alkyl group or the like. Also a process for bulk polymerization of the invention comprises polymerizing a polymerizable unsaturated compound in an inert gas atmosphere substantially in the absence of a solvent using, as a catalyst, a compound having at least one thiol group and a secondary hydroxyl group and represented by the above formula (I). According to the catalyst or the process of the invention, bulk polymerization can be carried out in one-component catalyst system in a high yield without suffering a runaway reaction.Type: ApplicationFiled: February 28, 2005Publication date: June 30, 2005Inventors: Syuji Okamoto, Hiroshi Ueno
-
Patent number: 6861486Abstract: A catalyst for bulk polymerization comprising an organometallic compound represented by specified formula and a thiol is provided. The specified organometallic compound is a metallocene compound such as titanocene or zirconocene. The use of this bulk polymerization catalyst comprising a metallocene compound and a thiol enables stable bulk polymerization of a polymerizable unsaturated compound such as an acrylic monomer, the reaction control of which has been difficult in the bulk polymerization of the prior art.Type: GrantFiled: September 26, 2002Date of Patent: March 1, 2005Assignee: Soken Chemical & Engineering Co., Ltd.Inventors: Syuji Okamoto, Hiroshi Ueno
-
Patent number: 6806331Abstract: A catalyst for bulk polymerization of a polymerizable unsaturated compound comprises a compound having at least one thiol group and a secondary hydroxyl group and represented by the following formula (I): wherein R1 to R5 are each a hydrogen atom or an alkyl group, and R6 is a hydroxyl group, an alkyl group or the like. Also a process for bulk polymerization of the invention comprises polymerizing a polymerizable unsaturated compound in an inert gas atmosphere substantially in the absence of a solvent using, as a catalyst, a compound having at least one thiol group and a secondary hydroxyl group and represented by the above formula (I). According to the catalyst or the process, bulk polymerization can be carried out in one-component catalyst system in a high yield without suffering a runaway reaction.Type: GrantFiled: April 20, 2000Date of Patent: October 19, 2004Assignee: Soken Chemical and Engineering Co., Ltd.Inventors: Syuji Okamoto, Hiroshi Ueno
-
Publication number: 20040162407Abstract: A catalyst for bulk polymerization of a polymerizable unsaturated compound of the invention comprises a compound having at least one thiol group and a secondary hydroxyl group and represented by the following formula (I): 1Type: ApplicationFiled: February 17, 2004Publication date: August 19, 2004Inventors: Syuji Okamoto, Hiroshi Ueno
-
Publication number: 20030023012Abstract: A catalyst for bulk polymerization comprising an organometallic compound represented by specified formula and a thiol is provided. The specified organometallic compound is a metallocene compound such as titanocene or zirconocene. The use of this bulk polymerization catalyst comprising a metallocene compound and a thiol enables stable bulk polymerization of a polymerizable unsaturated compound such as an acrylic monomer, the reaction control of which has been difficult in the bulk polymerization of the prior art.Type: ApplicationFiled: September 26, 2002Publication date: January 30, 2003Applicant: Soken Chemical & Engineering Co., Ltd.Inventors: Syuji Okamoto, Hiroshi Ueno
-
Patent number: 6489412Abstract: A catalyst for bulk polymerization comprising an organometallic compound represented by specified formula and a thiol is provided. The specified organometallic compound is a metallocene compound such as titanocene or zirconocene. The use of this bulk polymerization catalyst comprising a metallocene compound and a thiol enables stable bulk polymerization of a polymerizable unsaturated compound such as an acrylic monomer, the reaction control of which has been difficult in the bulk polymerization of the prior art.Type: GrantFiled: March 31, 2000Date of Patent: December 3, 2002Assignee: Soken Chemical & Engineering Co., Ltd.Inventors: Syuji Okamoto, Hiroshi Ueno