Patents by Inventor Takuo Sone
Takuo Sone 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: 11319388Abstract: A radiation-sensitive resin composition contains: a polymer having a first structural unit represented by formula (1), and a second structural unit represented by formula (2) and having an acid-labile group. A first acid, to be generated from the first acid generating agent, disassociates the acid labile group in the polymer upon heating under a condition involving a temperature of no less than 80° C. and no greater than 140° C. for a time period of 1 minute, and the second acid, to be generated from the second acid generating agent, does not substantially disassociate the acid-labile group under the condition. The polymer is synthesized by RAFT, ATRP, or NMP, and a RAFT agent is at least one selected from the group consisting of a mercaptocarboxylic acid ester, a disulfide, a dithioester, a xanthate, a dithiocarbamate, and a trithiocarbonate.Type: GrantFiled: September 7, 2020Date of Patent: May 3, 2022Assignee: JSR CORPORATIONInventors: Ken Maruyama, Yoshiki Nonoyama, Takuo Sone, Motohiro Shiratani
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Patent number: 10995173Abstract: A directed self-assembling composition for pattern formation includes a block copolymer. The block copolymer includes a polystyrene block having a styrene unit, and a polyalkyl (meth)acrylate block having an alkyl (meth)acrylate unit. The block copolymer has a group that is bound to at least one end of a main chain of the block copolymer and that includes a hetero atom.Type: GrantFiled: April 16, 2019Date of Patent: May 4, 2021Assignee: JSR CORPORATIONInventors: Yuji Namie, Shinya Minegishi, Tomoki Nagai, Takuo Sone
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Patent number: 10906996Abstract: Provided is a polymerization catalyst including a metal complex obtained by mixing at least one ketimine derivative selected from the group consisting of a ?-ketimine compound and a tautomer thereof with a compound having at least one metal selected from among Group 4 and 5 transitional metals, an organoaluminum compound, and a halogen compound.Type: GrantFiled: March 1, 2017Date of Patent: February 2, 2021Assignee: JSR CORPORATIONInventors: Ayumi Watanabe, Shoichi Matsumoto, Takuo Sone
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Publication number: 20200407476Abstract: An object of the present invention is to provide a radiation-sensitive resin composition being superior in each of an inhibitory ability of defects, LWR performance, and sensitivity. An aspect of the present invention is a radiation-sensitive resin composition containing: a polymer having a first structural unit represented by the following formula (1), and a second structural unit represented by the following formula (2) and having an acid-labile group; a first acid generating agent which generates a first acid upon irradiation with a radioactive ray; and a second acid generating agent which generates a second acid upon irradiation with a radioactive ray, wherein the first acid, to be generated from the first acid generating agent, disassociates the acid labile group in the polymer upon heating under a condition involving a temperature of no less than 80° C. and no greater than 140° C.Type: ApplicationFiled: September 7, 2020Publication date: December 31, 2020Applicant: JSR CORPORATIONInventors: Ken MARUYAMA, Yoshiki Nonoyama, Takuo Sone, Motohiro Shiratani
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Patent number: 10385149Abstract: A copolymer having a structural unit derived from a conjugated diene compound and a structural unit derived from an ?-olefin having 3 to 8 carbon atoms, wherein the copolymer has a melting point within a temperature range of 0 to 10° C. and has a fusion enthalpy of 5 J/g or more as measured on a differential scanning calorimeter under the following conditions. Conditions: (1) cooling from 200° C. to ?150° C. at a rate of 10° C./min; (2) retaining at ?150° C. for 1 minute; and (3) heating from ?150° C. to 200° C. at a rate of 20° C./min.Type: GrantFiled: January 29, 2016Date of Patent: August 20, 2019Assignee: JSR CORPORATIONInventors: Takuo Sone, Shouichi Matsumoto, Ayumi Watanabe, Ayumi Hara
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Publication number: 20190241695Abstract: A directed self-assembling composition for pattern formation includes a block copolymer. The block copolymer includes a polystyrene block having a styrene unit, and a polyalkyl (meth)acrylate block having an alkyl (meth)acrylate unit. The block copolymer has a group that is bound to at least one end of a main chain of the block copolymer and that includes a hetero atom.Type: ApplicationFiled: April 16, 2019Publication date: August 8, 2019Applicant: JSR CORPORATIONInventors: Yuji NAMIE, Shinya MINEGISHI, Tomoki NAGAI, Takuo SONE
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Patent number: 10351645Abstract: A copolymer having a structural unit derived from a conjugated diene compound and a structural unit derived from an ?-olefin having 3 to 8 carbon atoms, wherein the copolymer has a melting point within a temperature range of 0 to 10° C. and has a fusion enthalpy of 5 J/g or more as measured on a differential scanning calorimeter under the following conditions. Conditions: (1) cooling from 200° C. to ?150° C. at a rate of 10° C./min; (2) retaining at ?150° C. for 1 minute; and (3) heating from ?150° C. to 200° C. at a rate of 20° C./min.Type: GrantFiled: January 29, 2016Date of Patent: July 16, 2019Assignee: JSR CORPORATIONInventors: Takuo Sone, Shouichi Matsumoto, Ayumi Watanabe, Ayumi Hara
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Patent number: 10308752Abstract: A block copolymer includes a polystyrene block including a styrene unit, and a polyalkyl (meth)acrylate block including an alkyl (meth)acrylate unit. The block copolymer includes an organic group that is bound to at least one end of a main chain of the block copolymer and that comprises a hetero atom. A polymerization initiation end of the block copolymer includes a structure derived from an alkyl lithium. The organic group included in the block copolymer includes a nitrogen atom, a sulfur atom, a phosphorus atom, a tin atom, or a combination thereof, or is represented by formula (1). R1 represents a single bond or a divalent organic group having 1 to 30 carbon atoms; and R2 represents a hydrogen atom, an aliphatic linear hydrocarbon group having 1 to 30 carbon atoms, an alicyclic hydrocarbon group having 3 to 30 carbon atoms, or the like.Type: GrantFiled: April 5, 2017Date of Patent: June 4, 2019Assignee: JSR CORPORATIONInventors: Yuji Namie, Shinya Minegishi, Tomoki Nagai, Takuo Sone
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Publication number: 20190048107Abstract: Provided is a polymerization catalyst including a metal complex obtained by mixing at least one ketimine derivative selected from the group consisting of a ?-ketimine compound and a tautomer thereof with a compound having at least one metal selected from among Group 4 and 5 transitional metals, an organoaluminum compound, and a halogen compound.Type: ApplicationFiled: March 1, 2017Publication date: February 14, 2019Applicant: JSR CORPORATIONInventors: Ayumi WATANABE, Shoichi MATSUMOTO, Takuo SONE
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Publication number: 20180051109Abstract: A copolymer having a structural unit derived from a conjugated diene compound and a structural unit derived from an ?-olefin having 3 to 8 carbon atoms, wherein the copolymer has a melting point within a temperature range of 0 to 10° C. and has a fusion enthalpy of 5 J/g or more as measured on a differential scanning calorimeter under the following conditions. Conditions: (1) cooling from 200° C. to ?150° C. at a rate of 10° C./min; (2) retaining at ?150° C. for 1 minute; and (3) heating from ?150° C. to 200° C. at a rate of 20° C./min.Type: ApplicationFiled: January 29, 2016Publication date: February 22, 2018Applicant: JSR CORPORATIONInventors: Takuo SONE, Shouichi MATSUMOTO, Ayumi WATANABE, Ayumi HARA
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Publication number: 20170204216Abstract: A block copolymer includes a polystyrene block including a styrene unit, and a polyalkyl (meth)acrylate block including an alkyl (meth)acrylate unit. The block copolymer includes an organic group that is bound to at least one end of a main chain of the block copolymer and that comprises a hetero atom. A polymerization initiation end of the block copolymer includes a structure derived from an alkyl lithium. The organic group included in the block copolymer includes a nitrogen atom, a sulfur atom, a phosphorus atom, a tin atom, or a combination thereof, or is represented by formula (1). R1 represents a single bond or a divalent organic group having 1 to 30 carbon atoms; and R2 represents a hydrogen atom, an aliphatic linear hydrocarbon group having 1 to 30 carbon atoms, an alicyclic hydrocarbon group having 3 to 30 carbon atoms, or the like.Type: ApplicationFiled: April 5, 2017Publication date: July 20, 2017Applicant: JSR CORPORATIONInventors: Yuji NAMIE, Shinya Minegishi, Tomoki Nagai, Takuo Sone
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Patent number: 9684235Abstract: A directed self-assembling composition for pattern formation includes a block copolymer. The block copolymer includes a polystyrene block having a styrene unit, and a polyalkyl (meth)acrylate block having an alkyl (meth)acrylate unit. The block copolymer has a group that is bound to at least one end of a main chain of the block copolymer and that includes a hetero atom.Type: GrantFiled: May 8, 2014Date of Patent: June 20, 2017Assignee: JSR CORPORATIONInventors: Yuji Namie, Shinya Minegishi, Tomoki Nagai, Takuo Sone
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Patent number: 9651861Abstract: A directed self-assembling composition for pattern formation includes a block copolymer. The block copolymer includes a polystyrene block having a styrene unit, and a polyalkyl (meth)acrylate block having an alkyl (meth)acrylate unit. The block copolymer has a group that is bound to at least one end of a main chain of the block copolymer and that includes a hetero atom.Type: GrantFiled: May 8, 2014Date of Patent: May 16, 2017Assignee: JSR CORPORATIONInventors: Yuji Namie, Shinya Minegishi, Tomoki Nagai, Takuo Sone
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Patent number: 9644052Abstract: In general the present invention provides a functionalized polymer prepared by a process comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with a functionalizing agent defined by the formula (I) A-R1—Z?? (I) where R1 is a divalent bond or divalent organic group comprising from 0 to about 20 carbon atoms, A is a substituent that will undergo an addition reaction with a pseudo-living polymer, and Z is a substituent that will react or interact with silica or carbon black reinforcing fillers, with the proviso that A, R1, and Z are substituents that will not protonate a pseudo-living polymer.Type: GrantFiled: March 23, 2015Date of Patent: May 9, 2017Assignee: Bridgestone CorporationInventors: Yoichi Ozawa, H. Jerrold Miller, Koji Masaki, Koichi Morita, Tatsuo Fujimaki, Tetsuya Omura, Takuo Sone, Iwakazu Hattori
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Patent number: 9206264Abstract: The method for producing a modified conjugated diene based (co)polymer, according to the present invention comprises a step of reacting a conjugated diene based (co)polymer with a metal halide compound to obtain a modified conjugated diene based (co)polymer, the conjugated diene based (co)polymer having a weight-average molecular weight of 150,000 to 2,000,000 and being obtained by bonding, to a polymer having at least a conjugated diene unit, an alkoxysilyl group and an optionally protected primary amino group. The method can satisfactorily produce a conjugated diene based (co)polymer which has a high Mooney viscosity, excellent shape stability and good processability.Type: GrantFiled: January 10, 2012Date of Patent: December 8, 2015Assignee: JSR CORPORATIONInventors: Masahiro Shibata, Takaomi Matsumoto, Tamotsu Nagaoka, Takuo Sone, Toshihiro Tadaki
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Patent number: 9172092Abstract: A binder composition for batteries, including (A) a polymer that has at least one structural unit selected from the group consisting of structural units represented by the following formulae (a1) to (a5), respectively, and (f) a functional group containing a nitrogen atom, an oxygen atom, a silicon atom, a germanium atom, a tin atom or a combination thereof; and (B) a liquid medium, the polymer (A) having a solubility of no less than 5 g in 100 g of cyclohexane at 25° C. and 1 atom.Type: GrantFiled: November 11, 2011Date of Patent: October 27, 2015Assignee: JSR CORPORATIONInventors: Takuo Sone, Tsukasa Toyoshima
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Publication number: 20150259452Abstract: In general the present invention provides a functionalized polymer prepared by a process comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with a functionalizing agent defined by the formula (I) A-R1—Z??(I) where R1 is a divalent bond or divalent organic group comprising from 0 to about 20 carbon atoms, A is a substituent that will undergo an addition reaction with a pseudo-living polymer, and Z is a substituent that will react or interact with silica or carbon black reinforcing fillers, with the proviso that A, R1, and Z are substituents that will not protonate a pseudo-living polymer.Type: ApplicationFiled: March 23, 2015Publication date: September 17, 2015Applicants: JSR CORPORATION, BRIDGESTONE CORPORATIONInventors: Yoichi OZAWA, H. Jerrold MILLER, Koji MASAKI, Koichi MORITA, Tatsuo FUJIMAKI, Tetsuyo OHUMURA, Takuo SONE, Iwakazu HATTORI
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Patent number: 9056925Abstract: A process for producing a modified conjugated diene based polymer includes a step (a) of reacting a silicon compound with a conjugated diene based polymer having an active end so that the reaction takes place at the active end, the silicon compound having a protected primary amino group in the molecule thereof and a silicon atom to which a hydrocarbyloxy group and a reactive group are bonded, to thereby modify the active end, and a step (b) of performing condensation reaction, in the presence of a titanium compound serving as a titanium-based condensation-accelerating agent. A rubber composition contains the modified diene polymer, and a tire is produced from the rubber composition.Type: GrantFiled: October 25, 2007Date of Patent: June 16, 2015Assignees: BRIDGESTONE CORPORATION, JSR CORPORATIONInventors: Ken Tanaka, Kouji Masaki, Yoichi Ozawa, Eiji Suzuki, Christine M. Rademacher, Terrence E. Hogan, Takuo Sone, Takaomi Matsumoto
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Publication number: 20150093508Abstract: A composition for pattern formation includes a block copolymer that includes a block represented by formula (I) and a block represented by formula (II). R1 and R3 each independently represent a hydrogen atom, a methyl group, a fluorine atom or a trifluoromethyl group. R2 represents a monovalent organic group. R4 represents a hydrocarbon group having a valency of (1+b) and having 1 to 5 carbon atoms. R5 represents a monovalent group having a hetero atom. m and n are each independently an integer of 10 to 5,000. a is an integer of 0 to 5. b is an integer of 1 to 3.Type: ApplicationFiled: December 11, 2014Publication date: April 2, 2015Applicant: JSR CORPORATIONInventors: Tomoki NAGAI, Shinya Minegishi, Takuo Sone, Yuji Namie
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Patent number: 8987362Abstract: In general the present invention provides a functionalized polymer prepared by a process comprising the steps of preparing a pseudo-living polymer by polymerizing conjugated monomer with a lanthanide-based catalyst, and reacting the pseudo-living polymer with a functionalizing agent defined by the formula (I) A-R1—Z??(I) where R1 is a divalent bond or divalent organic group comprising from 0 to about 20 carbon atoms, A is a substituent that will undergo an addition reaction with a pseudo-living polymer, and Z is a substituent that will react or interact with silica or carbon black reinforcing fillers, with the proviso that A, R1, and Z are substituents that will not protonate a pseudo-living polymer.Type: GrantFiled: December 10, 2013Date of Patent: March 24, 2015Inventors: Yoichi Ozawa, H. Jerrold Miller, Koji Masaki, Koichi Morita, Tatsuo Fujimaki, Tetsuyo Omura, Takuo Sone, Iwakazu Hattori