Patents by Inventor Takahiko Sugaya
Takahiko Sugaya 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: 11000035Abstract: Disclosed herein is a soil-borne disease control method capable of simply suppressing a soil-borne pathogen. The method for controlling a soil-borne disease includes applying at least one polyhydroxyalkanoic acid having a structure represented by the following formula (1) to soil: [—CHR—CH2—CO—O—]??(1) (wherein R is an alkyl group represented by CnH2n+1 and n is an integer of 1 or more but 15 or less).Type: GrantFiled: July 25, 2017Date of Patent: May 11, 2021Assignees: NATIONAL RESEARCH AND DEVELOPMENT AGENCY NATIONAL AGRICULTURE AND FOOD RESEARCH ORGANIZATION, KANEKA CORPORATIONInventors: Hitoshi Nakamura, Koichi Suzaki, Takahiko Sugaya, Shingo Kobayashi
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Publication number: 20170347648Abstract: Disclosed herein is a soil-borne disease control method capable of simply suppressing a soil-borne pathogen. The method for controlling a soil-borne disease includes applying at least one polyhydroxyalkanoic acid having a structure represented by the following formula (1) to soil: [—CHR—CH2—CO—O—]??(1) (wherein R is an alkyl group represented by CnH2n+1 and n is an integer of 1 or more but 15 or less).Type: ApplicationFiled: July 25, 2017Publication date: December 7, 2017Applicants: NATIONAL RESEARCH AND DEVELOPMENT AGENCY NATIONAL AGRICULTURE AND FOOD RESEARCH ORGANIZATION, KANEKA CORPORATIONInventors: Hitoshi NAKAMURA, Koichi SUZAKI, Takahiko SUGAYA, Shingo KOBAYASHI
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Patent number: 9732443Abstract: An object of the present invention is to improve spinnability, productivity, and tensile strength of a polyester fiber containing poly(3-hydroxybutyrate-co-3-hydroxyhexanoate). By spinning the polyester resin containing the poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) at a high spinning velocity, the spinnability, productivity, and tensile strength of the polyester fiber can be improved.Type: GrantFiled: July 16, 2014Date of Patent: August 15, 2017Assignees: TOKYO INSTITUTE OF TECHNOLOGY, KANEKA CORPORATIONInventors: Takeshi Kikutani, Wataru Takarada, Noriyuki Suzuki, Tetsuya Minami, Takahiko Sugaya
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Publication number: 20160230313Abstract: An object of the present invention is to improve spinnability, productivity, and tensile strength of a polyester fiber containing poly(3-hydroxybutyrate-co-3-hydroxyhexanoate). By spinning the polyester resin containing the poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) at a high spinning velocity, the spinnability, productivity, and tensile strength of the polyester fiber can be improved.Type: ApplicationFiled: July 16, 2014Publication date: August 11, 2016Applicants: TOKYO INSTITUTE OF TECHNOLOGY, KANEKA CORPORATIONInventors: Takeshi KIKUTANI, Wataru TAKARADA, Noriyuki SUZUKI, Tetsuya MINAMI, Takahiko SUGAYA
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Publication number: 20090109538Abstract: To provide a method of producing polymer particles having favorable powder characteristics accompanied by less structural restriction of high-molecular weight fine particles; a matte resin composition and a light diffusible resin composition which include polymer particles having favorable powder characteristics, and which have favorable physical properties and are also excellent in handleability; and a molded product thereof is objected to.Type: ApplicationFiled: December 5, 2006Publication date: April 30, 2009Inventors: Fuminobu Kitayama, Takahiko Sugaya
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Patent number: 7338706Abstract: A resin composition for capstock, comprising 100 to 30 parts by weight of an impact resistance modifier having a multilayer structure, and 0 to 70 parts by weight of a methyl methacrylate (co)polymer containing 50 to 100% by weight of methyl methacrylate and 50 to 0% by weight of a monomer which is copolymerizable therewith, wherein the total amount of the impact resistance modifier and the methyl methacrylate (co)polymer is 100 parts by weight, wherein the outer layer of said impact resistance modifier and/or said methyl methacrylate copolymer is copolymerized with 0.5 to 40% by weight of a reactive monomer based on the total amount of the impact resistance modifier and the methyl methacrylate (co)polymer as a polymer component, and wherein the homopolymer of said reactive monomer has an SP value of 9.8 (cal/cm3)/1/2 or more.Type: GrantFiled: April 23, 2002Date of Patent: March 4, 2008Assignees: Kaneka Corporation, Kaneka Texas CorporationInventors: Riichi Nishimura, Takahiko Sugaya
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Patent number: 6844396Abstract: An acrylic resin composition with excellent impact resistance, weatherability, processability and low gloss is provided. The acrylic resin composition comprises, (A) 10 to 40 parts by weight of a high molecular weight acrylic (co)polymer which is a one-step or multi-step polymer containing 72 to 100% by weight of methyl methacrylate and 0 to 28% by weight of a copolymerizable monomer, the (co)polymer having a specific viscosity of at least 0.5 (solvent: toluene, concentration: 0.4%, temperature: 30° C.), wherein a polymer layer obtained in one of the steps contains at least 72% by weight of methyl methacrylate, has a specific viscosity of at least 0.5 and makes up at least 55% by weight of the total weight of the high molecular weight acrylic (co)polymer (A); (B) 0 to 80 parts by weight of an acrylic (co)polymer containing 50 to 100% by weight of methyl methacrylate and 0 to 50% by weight of a copolymerizable monomer, the acrylic (co)polymer having a specific viscosity of less than 0.Type: GrantFiled: August 28, 2002Date of Patent: January 18, 2005Assignees: Kaneka Corporation, Kaneka Texas CorporationInventors: Takahiko Sugaya, Riichi Nishimura, Kazuhisa Tajima
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Patent number: 6773821Abstract: An acrylic resin composition suitable for the preparation of capstock for siding panels and having excellent impact resistance, weatherability and processability and a low gloss, which comprises 30 to 100% by weight of an impact modifier having a multilayer structure and 0 to 70% by weight of a methyl methacrylate homopolymer or copolymer and whose MFI (melt flow index measured according to ASTM D-1238 at 230° C. and a load of 3.8 kg) is not more than 0.35 g/10 minutes.Type: GrantFiled: December 28, 2001Date of Patent: August 10, 2004Assignees: Kaneka Corporation, Kaneka Texas CorporationInventors: Kazuhisa Tajima, Riichi Nishimura, Takahiko Sugaya
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Publication number: 20040102578Abstract: A resin composition for capstock, comprising 100 to 30 parts by weight of an impact resistance modifier having a multilayer structure, and 0 to 70 parts by weight of a methyl methacrylate (co)polymer containing 50 to 100% by weight of methyl methacrylate and 50 to 0% by weight of a monomer which is copolymerizable therewith, wherein the total amount of the impact resistance modifier and the methyl methacrylate (co)polymer is 100 parts by weight, wherein the outer layer of said impact resistance modifier and/or said methyl methacrylate copolymer is copolymerized with 0.5 to 40% by weight of a reactive monomer based on the total amount of the impact resistance modifier and the methyl methacrylate (co)polymer as a polymer component, and wherein the homopolymer of said reactive polymer has an SP value of 9.8 (cal/cm3)½ of more.Type: ApplicationFiled: June 30, 2003Publication date: May 27, 2004Inventors: Riichi Nishimura, Takahiko Sugaya
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Publication number: 20040043235Abstract: An acrylic resin composition with excellent impact resistance, weatherability, processability and low gloss is provided. The acrylic resin composition comprises, (A) 10 to 40 parts by weight of a high molecular weight acrylic (co)polymer which is a one-step or multi-step polymer containing 72 to 100% by weight of methyl methacrylate and 0 to 28% by weight of a copolymerizable monomer, the (co)polymer having a specific viscosity of at least 0.5 (solvent: toluene, concentration: 0.4%, temperature: 30° C.), wherein a polymer layer obtained in one of the steps contains at least 72% by weight of methyl methacrylate, has a specific viscosity of at least 0.5 and makes up at least 55% by weight of the total weight of the high molecular weight acrylic (co)polymer (A); (B) 0 to 80 parts by weight of an acrylic (co)polymer containing 50 to 100% by weight of methyl methacrylate and 0 to 50% by weight of a copolymerizable monomer, the acrylic (co)polymer having a specific viscosity of less than 0.Type: ApplicationFiled: August 28, 2002Publication date: March 4, 2004Inventors: Takahiko Sugaya, Riichi Nishimura, Kazuhisa Tajima
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Patent number: 6555245Abstract: An acrylic resin composition suitable for the preparation of capstock for siding panels and having excellent impact resistance, weatherability and processability and a low gloss, which comprises 30 to 100% by weight of an impact modifier having a multilayer structure and 0 to 70% by weight of a methyl methacrylate homopolymer or copolymer and whose MFI (melt flow index measured according to ASTM D-1238 at 230° C. and a load of 3.8 kg) is no more than 0.2 g/10 minutes.Type: GrantFiled: December 20, 2000Date of Patent: April 29, 2003Assignees: Kaneka Corporation, Kaneka Texas CorporationInventors: Kazuhisa Tajima, Riichi Nishimura, Takahiko Sugaya
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Patent number: 6503987Abstract: There is provided a modifier composition for a methacrylate resin, which can stably give a molded article excellent in strength without deteriorating transparency, color tone and appearance thereof under a wide range of injection molding conditions. A modifier composition for a methacrylate resin of the present invention comprises an impact modifier, a polymer processing aid and a reducing compound, wherein an amount of the impact modifier to the polymer processing aid is 95/5 to 80/20 in weight, and an amount of the reducing compound is 0.25 to 1.25 parts by weight based on 100 parts by weight of the total amount of the impact modifier and the polymer processing aid.Type: GrantFiled: February 13, 2001Date of Patent: January 7, 2003Assignee: Kaneka CorporationInventors: Fuminobu Kitayama, Takahiko Sugaya, Norio Nagata, Akira Takaki
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Publication number: 20020177658Abstract: An acrylic resin composition suitable for the preparation of capstock for siding panels and having excellent impact resistance, weatherability and processability and a low gloss, which comprises 30 to 100% by weight of an impact modifier having a multilayer structure and 0 to 70% by weight of a methyl methacrylate homopolymer or copolymer and whose MFI (melt flow index measured according to ASTM D-1238 at 230° C. and a load of 3.8 kg) is no more than 0.2 g/10 minutes.Type: ApplicationFiled: December 20, 2000Publication date: November 28, 2002Applicant: KANEKA CORPORATION,Inventors: Kazuhisa Tajima, Riichi Nishimura, Takahiko Sugaya
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Publication number: 20020123568Abstract: An acrylic resin composition suitable for the preparation of capstock for siding panels and having excellent impact resistance, weatherability and processability and a low gloss, which comprises 30 to 100% by weight of an impact modifier having a multilayer structure and 0 to 70% by weight of a methyl methacrylate homopolymer or copolymer and whose MFI (melt flow index measured according to ASTM D-1238 at 230° C. and a load of 3.8 kg) is not more than 0.35 g/10 minutes.Type: ApplicationFiled: December 28, 2001Publication date: September 5, 2002Applicant: Kaneka CorporationInventors: Kazuhisa Tajima, Riichi Nishimura, Takahiko Sugaya
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Patent number: 6218447Abstract: A methacrylic resin composition having excellent transparency, appearance, weatherability, gloss, impact resistance and processability, which comprises a methacrylic resin and a graft copolymer having a multilayer structure prepared by polymerizing a monomer component comprising an alkyl methacrylate such as methyl methacrylate as a main component in the presence of a chain transfer agent to form an innermost layer of a crosslinked methacrylic polymer, polymerizing a monomer component comprising an alkyl acrylate such as butyl acrylate as a main component in the presence of the innermost layer polymer to form an intermediate layer and subsequently polymerizing a monomer component comprising an alkyl methacrylate such as methyl methacrylate as a main component to form an outermost layer on the intermediate layer.Type: GrantFiled: November 8, 1999Date of Patent: April 17, 2001Assignee: Kaneka CorporationInventors: Takahiko Sugaya, Norio Nagata, Akira Takaki